ОПТИЧЕСКАЯ ЮСТИРОВКА ОПТИЧЕСКОЙ ПОДСИСТЕМЫ ПО ОТНОШЕНИЮ К ОПТОЭЛЕКТРОННОМУ ПРИБОРУ

Изобретение относится к передаче света в оптоэлектронные устройства и от них, более конкретно - к оптическому присоединению оптических подсистем к оптоэлектронным устройствам. Заявленная оптоэлектронная конструкция содержит: оптоэлектронное устройство, содержащее световод для оптической юстировки/юстировочный световод, расположенный снаружи от рабочей области оптоэлектронного устройства, и оптическую подсистему. При этом котировочный световод содержит входной котировочный решеточный светоделитель и выходной котировочный решеточный светоделитель. Оптическая подсистема, оптически отъюстированная относительно оптоэлектронного устройства, содержит: основание, которое содержит корпус, имеющий первую юстировочную отражающую поверхность и вторую юстировочную отражающую поверхность, где первая котировочная отражающая поверхность сконфигурирована с возможностью быть доступной для внешнего источника юстировочного оптического сигнала, причем первая юстировочная отражающая поверхность отражает котировочный ...

Optical device for geometric shaping of light beam profile e.g. for coupling laser radiation emitted by laser diode with input end of optical fibre

The optical device (10) has 2 successive lenses, used for increasing or reducing the beam profile of the light beam by respective factors in 2 directions perpendicular to the light propagation direction. A deflection mirror is positioned in the light beam path between the lenses for deflecting the light beam through an angle, the first lens and the deflection mirror mounted on a common transparent carrier through which the light beam passes to the second lens (20). An Independent claim for a method for manufacturing an optical device for geometric shaping of a light beam profile is also included.

Optical fibre alignment apparatus and method

LASER DIODE MODULE WITH INTEGRAL COOLING

DEMOUNTABLE EDGE COUPLERS WITH MICRO-MIRROR OPTICAL BENCH FOR PHOTONIC INTEGRATED CIRCUITS

An edge coupler having an optical bench with a mirror array. Each mirror bends, reflects and/or reshapes incident light. The edge coupler is optically coupled to the optical elements in a PIC chip which direct light to the edge of the PIC chip. The edge coupler provides a demountable, passively aligned coupling between an optical fiber array and the PIC chip. The edge coupler may be a free space edge coupler without any optical element between the mirror array and the optical elements of the PIC chip, or may include grooves each receiving a section of optical fiber with its longitudinal axis along the first light path and terminating substantially at or extending beyond the edge of the edge coupler. The optical fiber array may include an optical fiber connector terminating and supporting the ends of the optical fibers in optical alignment with the mirror array of the edge coupler.

ENCIRCLED FLUX COMPLIANT TEST APPARATUS

Encircled flux compliant test apparatus are provided. A test apparatus (10) includes an optical connector (30), and a light source (20), the light source operable to emit encircled flux compliant light. The test apparatus further includes a first collimator (60), and a beam splitter (70) optically aligned with the first collimator. The test apparatus further includes a first optical fiber pigtail (80) connected to the light source (20), and a second optical fiber pigtail (82) connected between the optical connector (30) and the first collimator (60). A first portion (202) of the light emitted by the light source is transmitted from the first optical fiber pigtail by the beam splitter and first collimator to the second optical fiber pigtail, and from the second optical fiber pigtail to the optical connector.

SYSTEM AND METHOD FOR ALIGNING OPTICAL COMPONENTS

An optical die and method of using same passively mounted to a standard optical housing. The housing provides guide pins received within apertures of the die. The assembly facilitates accurate passive alignment.

COLLIMATING DETECTION APPARATUS AND APPARATUS FOR PACKAGING OPTICAL MODULE USING THE SAME, ESPECIALLY IMPROVING RELIABILITY BY AUTOMATICALLY DETECTING COLLIMATING BEAM

PURPOSE: A collimating detection apparatus and an apparatus for packaging an optical module using the same are provided to determine the state of the collimating by using the change of the transmittance according to a full width half maximum value of a far-field pattern of an input light. CONSTITUTION: A collimating detection apparatus for manufacturing modules of a laser diode includes a Fabry-Perot etalon(100) and an optical detector(101). The Fabry-Perot etalon(100) changes the optical power of the output light beam in response to the change of the incidence angle of the light beam emitted from the laser diode. And, the optical detector(101) detects the difference of the optical outputs of the Fabry-Perot etalon(100). The collimating detection apparatus determines whether the light beam is collimated or not by the change of transmittance in response to the full width half maximum(FWHM) value of the far-field pattern of the input light beam. © KIPO 2006 ...

METHOD OF ALIGNING OPTICAL FIBERS TO AN IOC

A method of aligning an optical fiber to an integrated optical circuit includes positioning the optical fiber at first workstation such that a fast axis of the optical fiber is oriented at a first angular position, and securing the optical fiber to a glass block in that position. Then, positioning the integrated optical circuit at a second work station such that a fast axis of the integrated optical circuit is oriented at the first angular position, and positioning the glass block and optical fiber at the second workstation with the optical fiber adjacent to the integrated optical circuit, so that the fast axis of the optical fiber is oriented at the first angular position. The free end of the optical fiber is illuminated, and the fiber is rotated until the integrated optical circuit detects a maximum throughput across the interface between the optical fiber and the integrated optical circuit.

DYNAMIC MICRO-POSITIONING AND ALIGNING APPARATUS AND METHOD

A self-contained means to move a media or component, such as fiber (12) or other miniature object, such as a lens, into a desired position is given. The fiber (12) or component is moved in various dimensions to achieve the desired location and is locked into position after the move. An input electrical signal, such as a voltage or current controls movement. A thermal actuator comprises the micro-positioner (80) using semiconductor technology in one embodiment. In another embodiment, of the present invention, a thermal or electrostatic actuator uses mechanical gears to move the fiber. Another embodiment of the present invention is implemented using mechanical technology such as microelectromechanical system (MEMS) technology. Another embodiment of the present invention, utilizes piezoelectric materials to facilitate fiber movement.

APPARATUS AND PACKAGING METHOD TO ASSEMBLE OPTICAL MODULES TO A COMMON SUBSTRATE WITH ADJUSTABLE PLUGS

For any optically interconnected assembly, the packaging tasks include alignment of one or multiple optical devices (712), and attachement of aligned modules to a common substrate (702). The concept disclosed here is a packaging method to assemble pre-aligned optical modules (712) on a common structure called motherboard (702). The apparatus consists of two components: device carrier (704) or motherboard (702) with openings on the sides and adjustable plugs (706) in the form of pins or balls. The method and apparatus utilize plugs (706) as connection bridges between device carriers (704) and motherboard (702), allowing solid contacts and a rigid aligned structure among modules (712). The direct benefits include relaxation of dimensional tolerances on parts and elimination of the need for high-precision spacers.

APPARATUS AND METHODS FOR MICRO-POSITIONING AND ALIGNMENT

A fiber optic module according to the invention includes a housing (110), a light source, a positioning device (120), and an optical fiber(102) The housing defines interior and exterior regions of the module. The light source is attached to the housing and extends at least partially into the interior region of the module through the source receiving aperture. The positioning device is attached to the housing and extends at least partially into the interior region of the module through the fiber receiving aperture (118). The positioning device has a central axis (122), an outer diameter that is substantially equal to the diameter of the fiber receiving aperture, and a bore extending through at least a portion thereof. The bore has an axis that is eccentric with respect to the central axis. The optical fiber (102) is fixedly coupled to the positioning device and extends at least partially through the bore.

OPTICAL WAVEGUIDE MODULE

An optical waveguide module includes an optical waveguide sheet including multiple optical waveguides, and a light-emitting device and a light-receiving device each positioned over a surface of the optical waveguide sheet. At least one of the optical waveguides includes a first mirror, a second mirror, and a slit. The first mirror is configured to reflect light entering the corresponding optical waveguide from its first end to the light-receiving device or to reflect light emitted from the light-emitting device toward the first end of the corresponding optical waveguide. The second mirror is configured to reflect light entering the corresponding optical waveguide from its second end toward the surface of the optical waveguide sheet. The slit is provided between the second mirror and the second end of the corresponding optical waveguide. The corresponding optical waveguide is discontinuous across the slit.

Coupling apparatus of light emitter and optical fiber and method for adjusting optical fiber position using the same

A coupling apparatus for coupling a light emitting element with an optical fiber, wherein the light emitting element and a coupling lens are secured within a holder. The apparatus includes a ferrule which holds the optical fiber and which is inclined at a predetermined inclination angle with respect to the optical axis of the coupling lens, and a support member which is secured to the holder and which holds the ferrule so as to move in a direction parallel with the optical axis of the coupling lens.

Method and apparatus for determining an optimal gap distance between an optical fiber and an optical devie

An optical alignment system for optimizing a gap distance between an optical fiber end and an optical device uses an atomic force present when the gap distance approaches optimal alignment according to changes in an oscillating fiber amplitude at a fiber resonance frequency. A driving force flexurally vibrates the fiber to produce an oscillation of the fiber at a resonance frequency that produces maximal oscillation. A measurement system detects the amplitude shift at the resonance frequency while adjusting the gap distance.

Alignment assembly and method for an optics module

An alignment assembly for an optics module includes an alignment stage that is enabled to provide an adjustment of the relative positioning of a light beam and a lens, but also includes a locking mechanism which disables the movement of the alignment stage following a one-time alignment procedure. The locking mechanism may include one or more heaters and meltable material which is heated during the one-time alignment procedure and cooled when the target relative position between the beam and the lens is achieved.

Transmission apparatus, transmission method, reception apparatus, and reception method

Both a conventional receiver and an HDR-compatible receiver well perform electro-optical conversion processing on transmission video data obtained by using an HDR opto-electronic transfer characteristic. High dynamic range opto-electronic conversion is performed on high dynamic range video data to obtain the transmission video data. Encoding processing is performed on this transmission video data to obtain a video stream. A container of a predetermined format including this video stream is transmitted. Metadata information indicating a standard dynamic range opto-electronic transfer characteristic is inserted into a layer of the video stream, and metadata information indicating a high dynamic range opto-electronic transfer characteristic is inserted into at least one of the layer of the video stream and a layer of the container.

ОПТИЧЕСКАЯ ЮСТИРОВКА ОПТИЧЕСКОЙ ПОДСИСТЕМЫ ПО ОТНОШЕНИЮ К ОПТОЭЛЕКТРОННОМУ ПРИБОРУ

Coupling apparatus of light emitter and optical fiber and method for adjusting optical fiber position using the same

TRANSMISSION APPARATUS, TRANSMISSION METHOD, RECEPTION APPARATUS, AND RECEPTION METHOD

The objective of the present invention is to enable an electro-optic conversion process, performed with respect to transmission video data obtained using a high dynamic range (HDR) opto-electric conversion characteristic, to be performed satisfactorily in a conventional receiver and a HDR compatible receiver. Therefore, in the present invention high dynamic range video data is subjected to a high dynamic range opto-electric conversion process to obtain transmission video data, the transmission video data is subjected to an encoding process to obtain a video stream, and a container in a prescribed format that includes this video stream is transmitted. Meta information indicating a normal dynamic range opto-electric conversion characteristic is inserted in the video stream layer, and meta information indicating a high dynamic range opto-electric conversion characteristic is inserted at least in the video stream layer or the container layer.

Method and system for optical alignment to a silicon photonically-enabled integrated circuit

Methods and systems for optical alignment to a silicon photonically-enabled integrated circuit may include aligning an optical assembly to a photonics die comprising a transceiver by, at least, communicating optical signals from the optical assembly into a plurality of grating couplers in the photonics die, communicating the one or more optical signals from the plurality of grating couplers to optical taps, with each tap having a first output coupled to the transceiver and a second output coupled to a corresponding output grating coupler, and monitoring an output optical signal communicated out of said photonic chip via said output grating couplers. The monitored output optical signal may be maximized by adjusting a position of the optical assembly. The optical assembly may include an optical source assembly comprising one or more lasers or the optical assembly may comprise a fiber array. Such a fiber array may include single mode optical fibers.

Optical transmission module

The present invention provides an optical transmission module comprising: a laser diode; a lens for condensing a laser beam from the laser diode; a fiber ferrule which is placed so that the laser beam condensed by the lens can enter a fiber core; and a lens aperture or a lens aperture portion which is provided at one of the lens itself, a position before the lens and a position after the lens. In addition, the present invention provides an optical transmission module in which instead of the lens aperture, an effective diameter of the lens on the fiber ferrule side is set at a value ranging from 0.1 times to less than 0.2 times of a distance between an emittance plane of the lens and an incidence plane of the fiber ferrule.

Optical-fiber supporting member and optical transmission device using the same

In a optical transmission device in which a surface-emitting laser and an optical fiber are coupled, a light emitting portion of the surface-emitting laser and an input end of the optical fiber are positioned with high precision. An optical-fiber supporting member is provided with an optical-fiber through hole in which an end portion of an optical fiber is inserted, and a photodiode. The through hole and the photodiode are arranged corresponding to the arrangement of two light emitting portions of a surface-emitting laser so that a center of the circular section of the through hole and the optical axis of the optical-transmission light emitting portion are off set by a predetermined amount when a center point of the photodiode and the optical axis of the reference-light emitting portion are aligned. The surface-emitting laser and the optical-fiber supporting member are coupled with the center point of the photodiode and the optical axis of the reference-light emitting portion aligned with ...

OPTICAL MODULE AND METHOD OF MANUFACTURING THE SAME

An optical module includes: a pedestal; a glass optical multiplexer/demultiplexer fixed onto the pedestal via a UV adhesive; and a metal block which is smaller than the glass optical multiplexer/demultiplexer and is fixed to a top surface of the glass optical multiplexer/demultiplexer.

Feedback stabilization of a loss optimized switch

A system is provided to obtain loss optimized output optical power by way of feedback control and stabilization in an optical signal switching or routing system. The optical signal switching or routing system includes at least two input optical fibers and at least two output optical fibers, a controllable mechanism for directing an optical beam from one of the input optical fibers to one of the output optical fibers, and a mechanism for measuring the optical power applied to output optical fiber. The measuring mechanism provides a measure of the output optical power through a signal processing apparatus to a control apparatus. Possible other inputs to the signal processing apparatus include the input optical power, test optical power, etc. The inputs to the signal processing apparatus are compared and the signal processing apparatus outputs a signal to the control apparatus to provide optimized output power.

Alignment Method for Optical Waveguide Element

An optical waveguide alignment method includes a step of covering an end portion of an optical fiber, an end portion of a PLC, and a microlens with an adhesive before curing in a state in which at least one microlens is disposed between incidence and emission end faces of end portions of the optical fiber and the PLC, a step of causing light for alignment to be incident on at least one of the optical fiber or the PLC so that light enters a portion covered with the adhesive between the optical fiber and the PLC, and a step of curing the adhesive after the microlens moves onto an optical path between the optical fiber and the PLC due to radiation pressure of light. The optical fiber and the PLC are optically connected via the adhesive and the microlens, and the optical fiber, the PLC, and the microlens are mechanically connected by the adhesive.

Laser diode assembly for connection to optical fibers

A frame (48) is provided for an optical member e.g. a surface emitting laser. The frame has apertures (50). An optical housing (20) has guides e.g. pins (22), projecting from it. The frame is passively aligned with the housing when positioned on the pins.

Optoelektronisches Sende- und/oder Empfangsmodul

An optoelectric transmission and/or reception module for the transmission of a signal by means of an optical waveguide (1) wherein an optoelectric transmision and/or reception unit is lodged in a housing presenting a carrier plate (2), a cover (3) and a window (4). According to the invention the cover (3) presents an optical waveguide connection device (7) so designed that the optical waveguide connection device (7) can be adjusted with regard to the optoelectronic unit (5) before it is definitively fastened.

Alignment of optical fibres with an optical device

FIBEROPTICALLY-COUPLED MEASUREMENT SYSTEM WITH REDUCED SENSITIVITY TO ANGULARLY-DRIVEN VARIATION OF SIGNALS UPON REFLECTION FROM A WAFER

Optical waveguide

Disclosed herein is an optical waveguide comprising a core layer to be an optical transmission region, an upper clad layer and a lower clad layer covering the core layer, in which the core layer, the upper clad layer and the lower clad layer are formed from resin materials, characterized in that a microlens made of a material having a higher refractive index than that of a material constituting said core layer is disposed in the vicinity of an end face of said core layer.

Active optical alignment and attachment thereto of a semiconductor optical component with an optical element formed on a planar lightwave circuit

A method and apparatus is provided for attaching a bulk element processing an optical beam to a PLC and optically aligning the bulk element with an optical element formed on the PLC. The method begins by securing the bulk element to a first side of a substrate. A first side of a flexure element is secured to the first side of the substrate. A second side of the flexure element is secured to a first side of the PLC on which the optical element is formed such that the bulk element and the optical element are in optical alignment to within a first level of tolerance. Subsequent to the step of securing the second side of the flexure element, a force is exerted on at least a second side of the substrate to thereby flex the flexure element. The force causes sufficient flexure of the flexure element to optically align the bulk element and optical element to within a second level of tolerance that is more stringent than the first level of tolerance.

METHOD AND APPARATUS FOR FIBER OPTIC MODULES

Fiber optic modules and methods of assembly of fiber optic modules are disclosed. Fiber optic modules (1000) include one or more printed circuit boards (106", 108") arranged at an angle with a base (805). The printed circuit boards are parallel to an optical axis of one or more optoelectronic devices such as a receiver (111) or a transmitter (110). The printed circuit boards may include a ground plane to reduce electrical crosstalk. A shielded housing or cover (419) provides shielding for electromagnetic interference. The base or the housing may include a septum (815) to separate the fiber optic modules into a first side and second sides to provide additional shielding and to further minimize crosstalk.

СИСТЕМА ДЕТЕКТИРОВАНИЯ ОДИНОЧНЫХ ФОТОНОВ

Изобретение относится к области оптического приборостроения и касается системы детектирования одиночных фотонов. Система включает в себя приемный модуль с приемной зоной, блок ориентации, оптический модуль и световод, который имеет оболочку с первым и вторым окончаниями и сердцевину с первым и вторым концами. Блок ориентации расположен на приемном модуле. Приемный модуль включает первую, вторую, третью и четвертую зоны, коэффициент отражения которых отличается от поверхности приемного модуля. Световод первым окончанием установлен в блоке ориентации, первым концом сердцевины оптически сопряжен с приемной зоной, а вторым концом сердцевины оптически сопряжен с источником излучения оптического модуля. Первый конец сердцевины имеет возможность оптического сопряжения с первой, второй, третьей и четвертой зонами. Технический результат изобретения заключается в повышении эффективности детектирования и увеличении надежности работы в условиях колебания внешних температур. 15 з.п. ф-лы, 8 ил.

Optical transmitter with solid state laser devices using graded index optical fibre

The device (100) has a graded index optical fibre (9). A focussing lens (8) holder (101) and optical fibre holder (102) are also provided. The optical fibre incident system is provided according to the equations: 0.5 phis = phiin = 1.5 phis and phis = square root (phic phio theta (2 no deltan) power -(1/2)) Where the optical fibre has a core diameter phic, a refractive index no at the centre of the core, a difference deltan between the refractive indices of the centre of the core and a peripheral section fo the core, and phin is the diameter of the laser beam at the incident side plane of the optical fibre. The diameter fo the laser beam waist is phio, and the opening angle of the laser beam is 2theta. The laser beam is a multi-mode laser beam.

Optical alteration switch for optical coupling has a two-dimensional array of first fibre optical waveguides with their face area in one plane set opposite a face area of a second fibre optical waveguide for optical coupling.

Face areas (8) of passive (2) fibre optical waveguides picking up light are surrounded by photoelectric receivers (7) to pick up light from active (3) fibre optical waveguides emitting light. The passive fibre optical waveguides are kept in a two-dimensional array (1) by a positioning device formed by two identically formed superimposed laminas (4,5), into which are inserted split-shaped recesses (6) aligned in parallel to each other. An Independent claim is also included for a method for operating an optical alteration switch.

Coupling of a light emitter and an optical fibre

A coupling apparatus for coupling light from a LED (15), such as a laser diode, to an optical fibre (20), comprises a LED holder (12), secured to a lens holder (11) retaining a coupling lens (13), which holder is secured to a adjusting ring (16). The adjusting ring (16) is movable and adjustable in a plane perpendicular to the optical axis (01) of the lens (13) before it is secured to the lens holder (11), and a ferrule ring (17), movable in a plane parallel to the optical axis (01), is located within the adjusting ring (16). A ferrule holder (18) holding ferrule (19) and the optical fibre (20), is push fitted into the ferrule ring (17) so that the optical fibre (20) is inclined at an angle to the optical axis (01). Movement of the ferrule ring (17) allows the optical fibre (20) to be moved to the focal point (f) of the lens (13), in a direction which is parallel to the optical axis (01). The ferrule ring (17) is secured to the adjusting ring (16) once adjustment of the optical fibre (20 ...

System and method for aligning optical components

Measuring the position of passively aligned optical components

MAGNETIC CLAMP FOR HOLDING FERROMAGNETIC ELEMENTS DURING CONNECTION THEREOF

A drive towards automation, particularly in the fiber optics industry, has necessitated the use of materials and methods better suited for use by machines. The present invention takes advantage of the magnetic properties of these materials to create a strong magnetic bond between separate elements while they are being connected. Two independently controllable chucks are used to align the elements in accordance with design requirements. After proper alignment, the elements are magnetically attracted together and then permanently fixed using any one of a variety of standards methods, such as welding. In the embodiment of the invention used specifically in the fiber optics industry, the alignment process includes measuring the light transmitted or reflected by the two elements.

LIGHT GUIDE BODY, OPTICAL MODULE, AND OPTICAL PATH AND OPTICAL AXIS ADJUSTMENT METHOD

The present invention is a light guide body for adjusting the optical axis of an optical path, the light guide body characterized by comprising a silicon single crystal having an extinction ratio of at least 30 dB. In particular, the present invention is a light guide body in which only one side surface of the light guide body is joined and fixed to a base. The present invention is also an optical module characterized by being provided with the abovementioned light guide body installed so that the installation angle thereof is adjusted to adjust the optical axis of an optical path between components. The present invention is also a method for adjusting the optical axis of an optical path, characterized by comprising adjusting the optical axis of an optical path between components by adjusting the installation angle of the abovementioned light guide body. A light guide body can thereby be provided whereby polarization characteristics are not adversely affected and the optical axis of an ...

MICRO-OPTICAL DEVICE

The present invention provides a micro-optical device which may be used as an optical pigtailing assembly for waveguides. In an exemplary configuration the assembly includes a first chip which includes an optoelectronic component and an optical fiber. The optical fiber and optoelectronic component are coupled with an optical component, such as one or more waveguides on an integrated optic chip.

METHOD OF ADJUSTING PARALLELISM OF A FIBER BLOCK WITH A SURFACE OF A CHIP

ALIGNMENT OF A LENS ARRAY AND A FIBER ARRAY

An apparatus for aligning a lens (24a) with an array package (12) holding an optical fiber (14a) includes a stage assembly (30) configured to adjustably position the lens relative to the array package. An interferometer (39) has a measurement port (41) in optical communication with the fiber and an output port (42) configured to provide an output signal indicative of a position of the lens relative to the fiber.

Laser module with improved lens housing and associated methods

A laser module for optically coupling a laser for generating laser light with an optical fiber having a light-receiving end. A laser assembly has a laser housing comprising a laser housing wall having a laser housing wall opening. A laser is mounted in the laser housing so that its laser light output is directed toward the laser housing wall opening. A lens assembly has a lens housing and a lens mounted in an opening in a first end of the lens housing. The lens housing has a flange protruding from a second end opposite the first end and lens housing walls between the first and second ends of the lens housing. The lens housing walls have a cross-sectional profile smaller than the laser housing wall opening so that the lens housing can be inserted at its first end into the laser housing wall opening and the flange is larger than the laser housing wall opening.

Wavelength selective filter

In a wavelength selective filter, an optical fiber collimator, an interference filter, and a reflective plate are arranged in this order from front to rear along a z-axis. The collimator has a collimator lens disposed on the rear side of an optical fiber that is opened. The interference filter includes light incident and emitting surfaces, opposed with their xy-planes rotated about a y-axis at a predetermined rotation angle. The reflective plate has a front reflective surface having a normal direction along a z-axis direction, and reflects, toward the front, light incident from the front through the interference filter, to be incident onto the interference filter. The optical fiber collimator causes the input light propagating through the optical fiber from the front to be incident onto the interference filter, and converges the reflected light transmitted through the interference filter to the optical fiber and outputs the light.

System and means for dynamic micro-positioning and alignment of media

A self-contained means to move a media or component, such as fiber ( 12 ) or other miniature object, such as a lens, into a desired position is given. The fiber ( 12 ) or component is moved in various dimensions to achieve the desired location and is locked into position after the move. An input electrical signal, such as a voltage or current controls movement. A thermal actuator comprises the micro-positioner ( 80 ) using semiconductor technology in one embodiment. In another embodiment, of the present invention, a thermal or electrostatic actuator uses mechanical gears to move the fiber. Another embodiment of the present invention is implemented using mechanical technology such as microelectromechanical system (MEMS) technology. Another embodiment of the present invention, utilizes piezoelectric materials to facilitate fiber movement.

MEANS AND METHOD FOR POSITIONING

PROBLEM TO BE SOLVED: To relatively position with accuracy. SOLUTION: A first surface 1a and a second surface 2a are so constituted as to position a first component 1 and a second component 2 to specified positions along a specified axis (x). A first pattern 3 and a second pattern 4 are conductive navigation marks disposed on the first surface 1a and the second surface 2a. The patterns 3 and 4 are so constituted as to relatively move along the axis (x) while slide-contacting between both of them. The first pattern 3 and the second pattern 4 define at least a conductive channel 3, tp, tq that become at least one state of opening or closing depending on whether the first surface 1a and the second surface 2a reach the specified position of the movement along the specified axis (x), in cooperation, in the means and method for relatively positioning the first component 1 and the second component 2. COPYRIGHT: (C)2003,JPO ...

СИСТЕМА ДЕТЕКТИРОВАНИЯ ОДИНОЧНЫХ ФОТОНОВ

Optische Übertragungsvorrichtung

Measuring the position of passively aligned optical components

Optical components may be precisely positioned in three dimensions with respect to one another. A bonder which has the ability to precisely position the components in two dimensions can be utilized. The components may be equipped with contacts (20a - d) at different heights so that as the components come together in a third dimension, their relative positions can be sensed. This information may be fed back to the bonder to control the precise alignment in the third dimension.

DYNAMIC MICRO-POSITIONER AND ALIGNER

METHOD FOR PACKAGING MULTI-CHANNEL OPTICAL RECEIVER MODULE AND PACKAGE THEREOF

The present invention provides a method for packaging a multi-channel optical receiver module, comprising the steps of: installing a first lens on a sub-mount; aligning an optical block including a plurality of filters on the sub-mount; installing the aligned optical block on the sub-mount; aligning a second lens on the sub-mount; installing the aligned second lens on the sub-mount; and coupling the sub-mount to a TO stem. In the step of aligning the optical block, light incident through the first lens and transmitted through the filters is transmitted through an object lens, the positions of and intervals between the light sources transmitted through the object lens are monitored via an IR camera to align the optical block such that the intervals between the light sources transmitted through the filters are identical. The present invention packages an optical system and optical receiver devices separately and does not need to discard all the modules when a problem occurs in any one portion ...

Methods for passively aligning opto-electronic component assemblies on substrates

PACKAGING FOR A FIBER-COUPLED OPTICAL DEVICE

A packaged fiber-coupled optical device comprises an alignment housing with a fiber retainer, optical fiber segment(s), and optical component(s) (on substrate(s) with fiber groove(s)). Upon assembly the protruding end(s) of the fiber segment(s) is/are positioned against the fiber retainer, and the fiber groove(s) is/are aligned with the protruding end(s) of the fiber segment(s). The fiber retainer urges the protruding end(s) of the fiber segment(s) into the fiber groove(s). The fiber groove(s) position the protruding end(s) of the optical fiber(s) seated therein for optical coupling with optical component(s). The alignment housing and/or a fiber subassembly may be configured for engaging a mating fiber-optic connector.

DEVICE FOR CONNECTING OPTICAL WAVEGUIDES TO AN ELECTRIC CIRCUIT

Selon l'invention, un composant convertisseur (1) dispose de languettes d'ajustage (8), au niveau de broches de raccordement (7), dont l'arête extérieure peut prendre une position, définie avec une grande exactitude, par rapport à une puce de convertisseur (2). Par insertion de la grille estampée (4) dans un élément de fixation complémentaire des languettes d'ajustage (8), la puce de convertisseur (2) peut être mise, par rapport aux surfaces de référence des languettes d'ajustage (8), dans une position définie avec exactitude. Les languettes d'ajustage (8) peuvent, lors du montage des composants convertisseur (1) dans un connecteur enfichable, être également utilisées pour aligner la puce de convertisseur (2) sur un guide d'ondes lumineuses associé.

LASER MODULE WITH COUPLING OPTICS AND METHOD FOR FINE-ADJUSTMENT OF SAID OPTICS

The invention relates to a laser module with coupling optics comprising a specially shaped lens carrier (3), which enables targeted and permanent deformation through laser bombardment so that the working distance (a) of the lens (4) from the semiconductor laser can be adjusted in micrometers.

Optical element, method for manufacturing such an element and a method for aligning a light beam and such an element

Optical element, provided with a receiving plane (10) comprising a receiving section (11) for receiving at least one light beam (2), wherein the receiving plane (10) is provided with at least one light-detection element (3) being arranged to detect whether at least part of said light beam is projected thereon. Further, the invention relates to a method for manufacturing an optical element, wherein the optical element substrate is provided with the at least one light-detection element, using at least one thin layer deposition technique.

光電式送光および/または受光モジュールおよびその製造方法

... 光電式送光および/または受光モジュール支持体プレート(2)、カバーキャップ(3)およびウィンドウ(4)を有しているケーシングに、光電式送光および/または受光ユニット(5)が配置されている、光導波路(1)を用いた信号伝送のための光電式送光および/または受光モジュール。本発明によれば、カバーキャップ(3)は光導波路接続装置(7)を有しており、該光導波路接続装置は、該光導波路接続装置が最終的な固定の前に光電式ユニット(5)に対して調整することができるように実現されている。 ...

MIKROAUSRICHTEVORRICHTUNG

Vorrichtung zum Koppeln einer Lichtquelle mit einer Lichtleitfaser

Optical alignment mount with height adjustment

Coupling apparatus of light emitter and optical fiber and method for adjusting optical fiber position using the same

OPTICAL ALIGNMENT MOUNT WITH HEIGHT ADJUSTMENT

A DEMOUNTABLE CONNECTION OF AN OPTICAL CONNECTOR AND AN OPTICAL BENCH BASED CONNECTOR USING AN ALIGNMENT COUPLER

An alignment coupler is provided to facilitate active alignment of the optical bench to the optical connector. The optical bench and the coupler together form an optical bench based connector. A method of demountable connection of an optical connector to an optical bench based connector, comprising: providing a coupler, wherein the coupler has an opening sized to receive an optical bench with clearance for relative movement between the optical bench and the coupler to facilitate alignment, and wherein the coupler is provided with a passive alignment structure structured to demountably couple to the connector; demountably coupling the coupler to the connector; placing the optical bench in the opening of the coupler; actively aligning the optical path between the optical bench and the connector to reach a desired optical alignment between the optical bench and the connector, by adjusting a position of the optical bench within the clearance of the opening of the coupler; fixing the position ...

EQUIPMENT FOR RESEARCH OF THE OPTIMUM COUPLING BETWEEN AN OPTO-ELECTRONIC COMPONENT AND A MONOMODE FIBEROPTIC AND FOR THEIR ASSEMBLY IN A MODULE

다채널 광수신모듈의 패키징 방법 및 그 패키지

... 본 발명에 따른 다채널 광수신모듈의 패키징 방법은 제 1 렌즈를 서브마운트 상에 실장하는 단계; 복수의 필터를 포함하는 광학 블록을 상기 서브마운트 상에서 정렬하는 단계; 상기 정렬된 광학 블록을 상기 서브마운트 상에 실장하는 단계; 제 2 렌즈를 상기 서브마운트 상에 정렬하는 단계; 상기 정렬된 제 2 렌즈를 상기 서브마운트에 실장하는 단계 및 상기 서브마운트를 TO 스템에 결합하는 단계를 포함하되, 상기 광학 블록을 정렬하는 단계는, 상기 제 1 렌즈를 통해 입사되어 상기 복수의 필터를 통해 투과된 광원을 대물 렌즈에 통과시키고, 상기 대물 렌즈에 통과된 광원의 위치 및 광원 사이의 간격을 IR 카메라를 통해 모니터링하여, 상기 복수의 필터를 투과한 광원 사이의 간격이 서로 동일하도록 상기 광학 블록을 정렬한다.

arquitetura de receptor ótico utilizando um substrato espelhado

CONTROLLED MISALIGNMENT IN WAVELENGTH-CONVERTED LASER SOURCES

Methods of controlling semiconductor lasers are provided where the semiconductor laser generates an output beam that is directed towards the input face of a wavelength conversion device. Particular aspects of the present invention relate to alignment and/or intentional misalignment of a beam spot of an output beam on an input face of a wavelength conversion device. Additional embodiments are disclosed and claimed.

ALIGNMENT AND JOINING OF OPTICAL FIBERS

Optical fibers are aligned by opposing first and second optical fibers having claddings and cores along a close optical axis in a first connector, passing light through the first fiber and into the second fiber so that the light entering the second fiber strikes a dual photodiode detector having a division along a first direction transverse to one of the first and second longitudinal axes so as to determine displacement of the first axis from the second axis in a second direction transverse to one of the axes and transverse to the first direction, minimizing the displacement of the axes relative to each other in the second direction, and repeating the process for another direction by rotating the division along the second direction, and minimizing the displacement of the axes relative to each other in the first direction.

PASSIVE FIBER COUPLER WITH UV WINDOWS

Embodiments herein describe a fiber array unit (FAU) configured to couple a photonic chip with a plurality of optical fibers. Epoxy can be used to bond the FAU to the photonic chip. However, curing the epoxy between the FAU and the photonic chip is difficult. As such, the FAU can include one or more optical windows etched into a non-transparent layer that overlap with epoxy wells in the photonic chip. Moreover, the FAU may include a transparent substrate on which the non-transparent layer is disposed that permits UV light to pass therethrough. As such, during curing, UV light can be pass through the transparent substrate and through the optical windows in the non-transparent layer to cure the epoxy disposed between the FAU and the photonic chip.

OPTICAL WAVEGUIDE DEVICE AND METHOD OF MANUFACTURING SAME

PROBLEM TO BE SOLVED: To improve the productivity of an optical waveguide device in which an optical fiber array mounted with an optical fiber is connected to a waveguide with an adhesive by reducing the processing time of the end face of the waveguide, to improve the connection strength of the optical fiber and the array, and to provide a method of manufacturing thereof. SOLUTION: An adhesive is applied on end faces 17A and 17B of the optical waveguide device 17 on which an end face 34A having an inclination angle -θ1 and an end face 34B having an inclination angle +θ2 are formed by grinding a waveguide 21 after forming notched parts 33A and 33B on the end faces 32A and 32B of a substrate 18 by a grinding process, and an optical fiber array is connected. COPYRIGHT: (C)2005,JPO&NCIPI ...

Alignment of an optical member and an optical housing in an optical assembly

An optoelectrical assembly has a an optical member (40, fig. 3) in a frame 48 with electroconductive members (44,46,fig.3) for providing power and apertures 50 which engage with guide means 22 projecting from an optical housing 20 so as to passively align the housing and the frame. The projections may be a pair of pins 22. There may be a plurality of optical members which may be a surface emitting light emitting diode or a surface emitting laser.

Optical transmission device,solid state laser device,and laser beam processing device having them

System and method for aligning optical components

Free space optical (FSO) system

A detector configuration for use in a free space optical (FSO) node for transmitting and/or receiving optical signals has a plurality of sensors for detecting received optical signals. The system may be configured to modify or alter the light at the plurality of sensor to optimize different system functions.

Micro-Alignment Method

MICRO-ALIGNMENT METHOD

A light coupler comprises a light source and a light conductor coupled together by a housing. The housing is permanently deformed to increase light coupling between tbe light source and the light conductor.

OPTICAL ALIGNMENT OF AN OPTICAL SUBASSEMBLY TO AN OPTOELECTRONIC DEVICE

Optical alignment of optical subassembly and optoelectronic device is achieved using an external source and an external receiver, passing optical signal through a passive waveguide in the optoelectronic device, via alignment reflective surface features provided on the optical subassembly. The optical subassembly is provided with a first alignment reflective surface directing alignment signal from the source to a grating coupler at the input of the waveguide, and a second alignment reflective surface directing to the receiver the alignment signal directed from a grating coupler at the output of the waveguide after the alignment signal has been transmitted from the input to the output through the waveguide. By adjusting the relative position between the optical subassembly and the optoelectronic device, and detecting the maximum optical power of the alignment signal reflected from the second alignment reflective surface, the position of best optical alignment of the optical subassembly and ...

SYSTEM AND A METHOD FOR ALIGNING OPTICAL COMPONENTS

L'invention concerne une puce optique et un procédé d'utilisation de celle-ci montée de façon passive sur un boîtier optique standard. Le boîtier comprend des broches de guidage (22) qui sont reçues à l'intérieur d'ouvertures de la puce. L'assemblage facilite un alignement passif précis.

OPTICAL ALIGNMENT MOUNT WITH HEIGHT ADJUSTMENT

An optical alignment mount (10) for adjusting a height of an optical component (18) includes a component mount (14) adapted to receive the optical component (8). The component mount has a pivot surface that is engaged by a pivot support, e.g. comprising a v-groove. A height of the optical component (18) in the mount (14) can be adjusted and fixed as desired.

Method and apparatus for integrating optical fibers with collimating lenses

A two-dimensional optical switch (10) includes a hermetically sealed housing (41) cooperable with several input fibers (11-18) and several output fibers (21-28). A digital micromirror device (71) is disposed within the housing, and can selectively effect travel of radiation between each input fiber and any one of the output fibers. The housing includes two lens sections (56, 57), which each have a platelike support portion (106), and several lens portions (111-118) of approximately semi-spherical shape that project from the inner side of the support portion. Each of the input fibers is fixedly secured to an outer side of one lens section in alignment with a respective lens portion thereon, and each of the output fibers is fixedly secured to the outside of the other lens section in alignment with a respective lens portion thereon.

LASER DIODE MODULE WITH INTEGRAL COOLING

A laser module with integral cooling is disclosed. The module is intended for coupling to a fiber optic cable for various applications. The module is generally cylindrical and has a laser diode array (32) mounted centrally therein. A cooling channel (62) is in thermal relation with the array (32) either directly or via a diamond substrate. A fiber optic coupler (46) mates with the portion of the housing carrying the array and carries a lens subassembly (16, 18). During assembly, the coupler (46) is positioned to accurately focus the output of the array into a beam suitable for transmission to the fiber optic cable.

Process of manufacturing an optoelectronic semiconductor device

A Peltier cooler (102) is situated in a module casing (101), and combined with a metallic block (105), on which a lens (104) is mounted. A thermistor (106), an electroabsorption modulator integrated DFB laser (a laser unit 107), a monitoring photosensor (108) are mounted on the metallic block (105). A signal line of a co-planar structure which is connected with a signal input pin (112) supplied with an external signal is laid on a ceramic substrate (110), under which a pedestal (121) is formed. A part of the ceramic substrate (110) on the pedestal (121) is removed, and an amplifier (113) is mounted on the pedestal in condition that it approximates to the laser unit (107). The laser unit (107) is connected with the amplifier (113) by an Au wire (114), and the amplifier (113) is connected with the signal line (134) by another Au wire (114). According to the aforementioned configuration, an electrical length between the signal pin (112) and the laser unit (107) can be shortened, and a compact ...

OPTOELECTRONIC DEVICE WITH A COUPLING BETWEEN A SEMICONDUCTOR DIODE LASER MODULATOR OR AMPLIFIER AND TWO OPTICAL GLASS FIBRES

The invention relates to an optoelectronic device with an optoelectronic module (1) comprising a first holder (2) with in particular a semiconductor diode laser amplifier (3) and provided on either side of the amplifier (3) with a second holder (4) comprising a plate (5) with an opening (6) and a tubular lens holder (7) in which a lens (8) is present. The module (1) also comprises a third holder (9) for an optical glass fibre (10) aligned with the amplifier (3) on either side of the amplifier (3). Such a device is particularly suitable as a relay station in an optical glass fibre communication system. A disadvantage of such a module (1) is that it has a sub-optimal and unstable coupling efficiency and is difficult to manufacture. According to the invention, the second holder (4) forms part of the first holder (2) and comprises a bush (11) which is connected to the plate (5) and within which the lens holder (7) is fastened to the plate (5), while the bush (11) is provided with at least one ...

Optical transmission and solid state laser devices using graded index optical fiber

Aligning array of optical fibres with waveguides of optical device

The end of an array of optical fibres 27, such as ribbon fibre, is aligned with waveguides 33 in an optical device 31, such as an active semiconductor optical device. The ends of the optical fibres 27 are mounted in grooves 25 in a grooved surface 23 of a first block 21 of a fibre block assembly 20. A second block 22 maybe mounted to the grooved surface 23 of the first block 21 with the fibres 27 mounted between the blocks 21, 22. The grooved surface 23 of the first block 21 extends beyond the second block 22 to form guide surfaces 30. The optical device 31 is supported on a support surface 36 of a bench 32 having guide surfaces 37 extending from the support surface 36. The ends of the optical fibres are aligned with the waveguides 33 in the optical device 31 by moving the fibre block assembly 20 with the guide surfaces 30 of the first block 21 in contact with the guide surfaces 37 of the bench 32. This allows adjustment of the alignment in the direction in which the fibres 27 extend and ...

Free space optical (FSO) system

A detector configuration for use in a free space optical (FSO) node for transmitting and/or receiving optical signals has a plurality of sensors for detecting received optical signals. The system may be configured to modify or alter the light at the plurality of sensor to optimize different system functions.

OPTICAL ELEMENT, METHOD FOR MANUFACTURING SUCH AN ELEMENT AND A METHOD FOR ALIGNING A LIGHT BEAM AND SUCH AN ELEMENT

EQUIPMENT FOR RESEARCH OF THE OPTIMUM COUPLING BETWEEN A COMPONENT OPTO-ELECTRONIC AND A MONOMODE FIBEROPTIC AND FOR THEIR ASSEMBLY IN A MODULE

Il comprend un banc de positionnement se composant d'une partie fixe et d'une partie mobile. La position de la partie mobile est réglable par rapport à la partie fixe. Il comprend aussi une équerre (9) composée d'une base épaisse (27) et d'un jambage (28). La base (27) présente un logement (8) pour recevoir et loger une embase (7) portant le composant actif (6). Le jambage (28) présente un orifice (29) dont l'axe (OZ) passe par le centre optique du composant actif. Un manchon cylindrique (13) est pourvu d'une bride (14), son axe correspondant sensiblement à celui de l'orifice (29). Le manchon (13) est enfilé sur l'optique intermédiaire (10) reliée à une fibre optique (12) et est monté sur la partie mobile (3) avec sa bride (14) tournée vers le jambage (28). L'équerre (9) et le manchon sont alignés de manière que les axes de l'orifice et du manchon soient confondus. L'extrémité de l'optique (10) passe librement jusque dans l'orifice. L'optique est positionnée de manière à obtenir le couplage ...

Micro-optical device

The present invention provides a micro-optical device which may be used as an optical pigtailing assembly for waveguides. In an exemplary configuration the assembly includes a first chip which includes an optoelectronic component and an optical fiber. The optical fiber and optoelectronic component are coupled with an optical component, such as one or more waveguides on an integrated optic chip.

Magnetic clamp for holding ferromagnetic elements during connection thereof

A drive towards automation, particularly in the fiber optics industry, has necessitated the use of materials and methods better suited for use by machines. The present invention takes advantage of the magnetic properties of these materials to create a strong magnetic bond between separate elements while they are being connected. Two independently controllable chucks are used to align the elements in accordance with design requirements. After proper alignment, the elements are magnetically attracted together and then permanently fixed using any one of a variety of standards methods, such as welding. In the embodiment of the invention used specifically in the fiber optics industry, the alignment process includes measuring the light transmitted or reflected by the two elements.

Method for aligning the optical fiber and laser of fiber-optic laser modules

A method for maximizing the coupling efficiency of a fabricated fiber-optic laser module by deforming the module. In a first embodiment, the method can use a plurality of previously determined influence coefficients to determine how to deform the module, wherein such deformation aligns the focal point of the optical fiber and the laser to maximize the coupling efficiency. Alternatively, in a second embodiment of the present invention, the method is implemented without the use of influence coefficients, wherein the changes in the coupling efficiency resulting from deforming the module are observed to determine which deformations will maximize the coupling efficiency. Irrespective of which embodiment of the present invention is used, the module is deformed to account for its elastic properties by deforming the module beyond the final shape it attains when the coupling efficiency is maximized.

Optical aligning by eccentric laser welding

Automated manufacturing in the fiber optics industry has introduced a series of new problems due to the small size of the parts being assembled and the precise optical alignments required. However, processes requiring the manual assembly of parts using glue are slowly being replaced by automated processes involving the laser welding of metallically encased optical parts. Unfortunately, almost every step in the process causes a small degree of misalignment, which may cause the device to fall below transmission standards. The present invention provides a method of assembling an optical device which includes special steps that involve re-aligning the elements in the optical device after other steps in the method have caused a misalignment. In particular, the method of the present invention includes testing the alignment of the optical elements at several stages throughout the assembly process, and applying addition asymmetric welds to the finished product to improve the transmission results ...

Method and apparatus for automatic determination of a fiber type

A method and apparatus for automatic determination of a fiber type of at least one optical fiber span used in a link of an optical network, the method comprising the steps of measuring a length of said optical fiber span; measuring a chromatic dispersion of said optical fiber span; determining a fiber dispersion profile of said optical fiber span on the basis of the measured length and the measured fiber chromatic dispersion; and determining a fiber category and/or a specific fiber type of said optical fiber span depending on the determined fiber dispersion profile.

Structure and method for manufacturing compact optical power monitors of highly reliable performance

A new low-cost, highly reliable and compact optical power monitor is manufactured with simplified structure and improved configurations that require only lateral position adjustment for input/output beam alignment. A compact size is achieved by employing prefabricated housing containing a highly effective focus lens placed at fixed position relative to an optical sensor, e.g., a photodiode. The prefabricated housing further function as a seal housing for direct plugging into a holding tube fitting seamlessly to a GRIN lens to focus the tapped collimated beam to the photo sensor thus greatly simplify the manufacturing processes without alignment requirements. Thermal stability and reliable performance is achieved by applying multiple-layered optical reflection-transmission coating directly onto the end surface of a GRIN lens for tapping a small portion of the collimated beam onto the focus lens and the photo sensor. The insertion loss can be conveniently minimized by laterally shifting the ...

Optical module

An optical module including a flat-plate-shaped base having a predetermined thickness, an optical semiconductor package which is mounted on a plane of the flat-plate-shaped base to air-tightly seal an active optical element, a waveguide optical element which wave-guides light from an optical fiber or to an optical fiber and which is mounted on the plane of the flat-plate-shaped base, an optical lens which connects the optical semiconductor package and the waveguide optical element and which is mounted on the plane of the flat-plate-shaped base, and a frame-equipped lid which covers the optical semiconductor package, the waveguide optical element, and the optical lens and which is fixed onto the plane of the flat-plate-shaped base.

Optical device and method for manufacturing optical device

An object of the invention is to provide an optical device and an optical device manufacturing method wherein provisions are made to be able to substantially prevent misalignment from occurring in an optical element and prevent shifting from occurring in the optical waveguide characteristics of the optical element. The optical device includes a first optical element, a second optical element optically coupled to the first optical element, and a first silicon substrate on which the first optical element and the second optical element are mounted, wherein the second optical element includes a second silicon substrate and a waveguide substrate laminated to the second silicon substrate, and the second optical element is mounted on the first silicon substrate in such a manner that the waveguide substrate faces the first silicon substrate.

Optical elements, method of replicating optical elements, particularly on a wafer level, and optical devices

Integrated multiple optical elements may be formed by bonding substrates containing such optical elements together or by providing optical elements on either side of the wafer substrate. The wafer is subsequently diced to obtain the individual units themselves. The optical elements may be formed lithographically, directly, or using a lithographically generated master to emboss the elements. Alignment features facilitate the efficient production of such integrated multiple optical elements, as well as post creation processing thereof on the wafer level.

Waveguide-based detection system with scanning light source

The invention provides methods and devices for generating optical pulses in one or more waveguides using a spatially scanning light source. A detection system, methods of use thereof and kits for detecting a biologically active analyte molecule are also provided. The system includes a scanning light source, a substrate comprising a plurality of waveguides and a plurality of optical sensing sites in optical communication with one or more waveguide of the substrate, a detector that is coupled to and in optical communication with the substrate, and means for spatially translating a light beam emitted from said scanning light source such that the light beam is coupled to and in optical communication with the waveguides of the substrate at some point along its scanning path. The use of a scanning light sources allows the coupling of light into the waveguides of the substrate in a simple and cost-effective manner.

Beam Coupler Alignment System and Method

A beam coupler alignment system for a fiber laser system is disclosed. The system includes a focus adjust collimator assembly having an inner and outer housing assembly portion. The inner assembly includes a coupler housing assembly and a modified lens housing received within and adjustable relative to via a mechanism configured and arranged to apply an asymmetric binding force in a predictable and repeatable manner. A lever assembly contacts the lens housing and exerts an off-center (asymmetric) force relative to coupler housing assembly creating a friction bind eliminating X and Y axis movement yet allowing Z axis movement with minimal effort. The assembly may farther include an alignment mechanism configured and arranged to optically align an input collimator unit and an output collimator unit of a complex fiber laser system about a common optical axis using the proposed assembly. 1. A beam coupler alignment system for a fiber laser , comprising:an outer housing configured to secure an optical fiber thereto;an inner housing received within the outer housing;the inner housing further comprising a concentric coupler housing assembly and an adjustably retained lens housing received therein about a common central axis; andan asymmetric adjustment mechanism configured and arranged between the outer housing and the lens housing to adjustably bind the lens housing relative to the coupler housing assembly during an alignment of the system.2. The beam coupler alignment system of claim 1 , wherein: 'a pivot arm member pivotably coupled to the coupler housing assembly and arranged to adjustably bind the lens housing thereto.', 'the asymmetric adjustment mechanism further comprising3. The beam coupler alignment system of further comprisingat least one contact member adjustably extending from the pivot arm member to the lens housing and exerting an urging asymmetric force thereon during the alignment.4. The beam coupler alignment system of further comprising:a spring assembly ...

Optical module and method of manufacturing optical module

A method of manufacturing an optical module includes the steps of applying the invisible light onto the resin member and the optical device, observing, with use of a camera, a part of the resin member located at the optical fiber coupling plane and an image formed at the optical fiber coupling plane by the optical device active layer while applying the invisible light onto the resin member and the optical device, aligning positions of the resin member and the circuit board with respect to each other while observing the part of the resin member located at the optical fiber coupling plane and the image formed at the optical fiber coupling plane, and fixing the resin member to the circuit board while maintaining the aligned positions of the resin member and the circuit board.

APPARATUS FOR USE IN OPTOELECTRONICS HAVING A SANDWICHED LENS

According to an example, an apparatus for use in optoelectronics includes a bottom transparent layer, a top transparent layer having a top surface, a lens sandwiched between the bottom transparent layer and the top transparent layer, and a first alignment element attached to the top surface of the top transparent layer, wherein the first alignment element is offset with respect to the lens and is to mate with a mating alignment element on an optical transmission medium. 1. An apparatus for use in optoelectronics , said apparatus comprising:a bottom transparent layer;a top transparent layer having a top surface;a lens sandwiched between the bottom transparent layer and the top transparent layer; anda first alignment element attached to the top surface of the top transparent layer, wherein the first alignment element is to mate with a mating alignment element on an optical transmission medium.2. The apparatus according to claim 1 , wherein the bottom transparent layer comprises a bottom surface claim 1 , the apparatus further comprising:a plurality of bond pads positioned beneath the bottom surface of the bottom transparent layer upon which an optoelectronic component having an optical element is to be attached, wherein the optical transmission medium is to be passively aligned with the optical element through the lens when the first alignment element is mated with the mating alignment element on the optical transmission medium and the optoelectronic component is attached to the plurality of bond pads.3. The apparatus according to claim 2 , wherein the plurality of bond pads are positioned at predetermined and aligned locations with respect to the lens.4. The apparatus according to claim 1 , wherein the bottom transparent layer and the top transparent layer comprise glass and wherein the top surface is substantially planar.5. The apparatus according to claim 1 , further comprising:an enclosed cavity formed between the bottom transparent layer and the top transparent ...

Optical and thermal interface for photonic integrated circuits

Described herein are photonic systems and devices including a optical interface unit disposed on a bottom side of a photonic integrated circuit (PIC) to receive light from an emitter of the PIC. A top side of the PIC includes a flip-chip interface for electrically coupling the PIC to an organic substrate via the top side. An alignment feature corresponding to the emitter is formed with the emitter to be offset by a predetermined distance value; because the emitter and the alignment feature are formed using a shared processing operation, the offset (i.e., predetermined distance value) may be precise and consistent across similarly produced PICs. The PIC comprises a processing feature to image the alignment feature from the bottom side (e.g., a hole). A heat spreader layer surrounds the optical interface unit and is disposed on the bottom side of the PIC to spread heat from the PIC.

INTERPOSER HAVING OPTICAL INTERFACE WITH ALIGNMENT STRUCTURES FORMED BY A RESIST LAYER OF INTERPOSER AND RELATED OPTIC ASSEMBLIES

Disclosed are interposers and interposer structures having an optical interface for optical fiber connection with a related fiber optic ferrule that can form a portion of an optical assembly. The interposer is useful for transmitting optical signals to/from the interposer for high-speed communication. Specifically, the interposer provides a passively aligned structure with an optical alignment structure of the interposer formed by a resist layer of the interposer. 1. An interposer having a connector mounting surface , an optical alignment structure and an optical interface , the optical alignment structure being formed by a resist layer of the interposer.2. The interposer of claim 1 , wherein the optical alignment structure includes one or more optical fiber alignment features for aligning one or more optical fibers to the optical interface.3. The interposer of claim 1 , the connector mounting surface being recessed from a planar surface of the interposer.4. The interposer of claim 3 , wherein the connector mounting surface has a U-shape.5. The interposer of claim 1 , wherein the optical alignment structure is disposed on the planar surface of the interposer.6. The interposer of claim 1 , the interposer being at least partially formed from silicon.7. The interposer of claim 1 , the interposer having an optical assembly attached to the connector mounting surface.8. The interposer of claim 1 , wherein the interposer is formed from a material with a first coefficient of thermal expansion (CTE) and a ferrule of the optical assembly is formed from a material with a second CTE claim 1 , and the CTE delta between the interposer and the ferrule is 4.0×10° C. (Δmm/mm) or less at ambient conditions.9. An interposer having a connector mounting surface having a first pin and a second pin disposed in the connector mounting surface claim 1 , the first pin and the second pin integrally formed as a portion of the interposer.10. The interposer of claim 9 , the connector mounting ...

LENS ARRAY OPTICAL COUPLING TO PHOTONIC CHIP

A photonic integrated circuit apparatus is disclosed. The apparatus includes a photonic chip and a lens array coupling element. The photonic chip includes a waveguide at a side edge surface of the photonic chip. The lens array coupling element is mounted on a top surface of the photonic chip and on the side edge surface. The coupling element includes a lens array that is configured to modify spot sizes of light traversing to or from the waveguide. The coupling element further includes an overhang on a side of the coupling element that opposes the lens array and that abuts the top surface of the photonic chip. The overhang includes a vertical stop surface that has a depth configured to horizontally align an edge of the waveguide with a focal length of the lens array and that vertically aligns focal points of the lens array with the edge of the waveguide. 1. A photonic integrated circuit apparatus comprising:a photonic chip including a waveguide comprising at least one slot; anda lens array coupling element mounted on a top surface of the photonic chip, said coupling element including a lens array and including an overhang on a side of the coupling element that opposes the lens array, said overhang including a vertical stop surface that has a depth configured to horizontally align an edge of the waveguide and a surface of the lens array coupling element with a focal length of the lens array and that vertically aligns focal points of the lens array with the edge of the waveguide, wherein the overhang further comprises at least one reference feature that protrudes from the vertical stop surface and has sidewalls that are not perpendicular to a bottom reference feature surface.2. The apparatus of claim 1 , wherein the overhang includes a second surface having a height configured to effect the vertical alignment with the focal points and the edge of the waveguide.3. The apparatus of claim 1 , wherein said at least one slot and reference feature are configured to provide a ...

METHOD FOR ALIGNING ELECTRO-OPTIC DEVICE WITH OPTICAL FIBER ARRAY WITH OPTICAL GRATING COUPLERS

A method is for aligning an electro-optic device. The method may include initially positioning an optical fiber array adjacent to optical grating couplers, and actively aligning the optical fiber array relative to the optical grating couplers in a yaw direction and a roll direction to determine a yaw and roll alignment at a first operating wavelength. The method may include actively aligning the optical fiber array relative to optical grating couplers in an x direction and a y direction to determine a first x and y alignment at the first operating wavelength, determining a second operating wavelength, and actively aligning the optical fiber array again relative to the optical grating couplers in the x direction and y direction to determine a second x and y alignment at the second operating wavelength. 1. A method for aligning an electro-optic device comprising a photonic chip having a plurality of optical grating couplers at a surface of the photonic chip , and an optical fiber array comprising a plurality of optical fibers and a body retaining proximal ends of the plurality of optical fibers in side-by-side relation , the method comprising:initially positioning the optical fiber array adjacent the plurality of optical grating couplers;actively aligning the optical fiber array relative to the plurality of optical grating couplers in a yaw direction and a roll direction to determine a yaw and roll alignment at a first operating wavelength;after determining the yaw and roll alignment at the first operating wavelength, actively aligning the optical fiber array relative to the plurality of optical grating couplers in an x direction and a y direction to determine a first x and y alignment at the first operating wavelength;determining a second operating wavelength by determining a peak power transmission value and associated peak power wavelength while performing a spectral sweep, the associated peak power wavelength defining the second operating wavelength; andactively ...

APPARATUS PROVIDING SIMPLIFIED ALIGNMENT OF OPTICAL FIBER IN PHOTONIC INTEGRATED CIRCUITS

A structure for optically aligning an optical fiber to a protonic device and method of fabrication of same. The structure optically aligns an optical fiber to the protonic device using a lens between the two which is moveable by actuator heads. The lens is moveable by respective motive sources associated with the actuator heads. 1. An optical alignment structure comprising:a lens configured to receive an optical signal from an optical emitter and to direct the light signal to an optical receiver;first and second lower actuator heads configured to engage the lens from below;an upper actuator head configured to engage the lens from above; anda motive source associated with the first and second lower actuator heads and the upper actuator head for causing movement of the lens.2. The optical alignment system of claim 1 , wherein the actuator heads claim 1 , the motive source claim 1 , and at least one of the optical emitter or the optical receiver are part of an integrated photonic chip.3. The optical alignment structure of claim 1 , wherein the integrated photonics chip further comprises first claim 1 , second and third actuator heads claim 1 , each having an associated motive source for causing movement of the lens.4. The optical alignment structure of claim 1 , wherein the motive source comprises a respective piezoelectric structure for causing movement of a respective actuator head.5. The optical alignment structure of claim 1 , wherein the first and second lower actuator heads are each provided with a downwardly sloping inclined area engaging with a lower portion of the lens.6. The optical alignment structure of claim 5 , wherein the first and second lower actuator heads are spaced apart and positioned on opposite sides of the lens bottom such that the lens engages with the inclined areas of the actuator heads.7. The optical alignment structure of claim 6 , wherein the first and second lower actuator heads cause the lens to move in an upward direction when both ...

Coupling optical fiber array with waveguides of photonic subassembly

Disclosed are an apparatus and associated method and computer-readable medium for connecting a fiber array connector (FAC) with a photonic subassembly comprising a plurality of waveguides with a predetermined disposition relative to a top surface of a substrate. A plurality of optical fibers extend to a first surface of the FAC. The method comprises moving, using a positioning device, the FAC from a first position in which the first surface is seated against a second surface of the photonic subassembly to a second position such that the first surface has a predetermined distance from the second surface. The method further comprises performing, using the positioning device, an active alignment of the plurality of optical fibers with the plurality of waveguides, and applying, using an application device, an adhesive to form a physical interface between at least two opposing surfaces of the photonic subassembly and the FAC.

METHOD FOR ASSEMBLING OPTICAL MODULE

An alignment apparatus and an alignment method that enables to align an optical device with a receptacle, where the optical device and the receptacle have respective axes tilted to each other. The method includes steps of: (1) obtaining a minimum pressure caused to the optical device from the receptacle as varying a rolling angle around the X-axis of the optical device but fixing the pitching angle around the Y-axis at a rotating angle around the Z-axis; (2) determining a rotating angle where thus obtained minimum pressure becomes the minimum; and (3) iterating those procedures until the rotating angle obtained as varying the rolling angle and another rotating angle obtained as varying the pitching angle substantially coincides to each other. 1. A method of assembling an optical module that comprises an optical device and a receptacle , the optical device installing an optical element that generates or receives an optical signal , the receptacle receiving an external optical fiber optically coupling with the optical element in the optical device , the method comprising steps of:making the optical device in contact to the receptacle by lifting the receptacle down to the optical device; determining a rotating angle of the optical device with respect to the receptacle at which the optical device causes a minimum pressure against the receptacle, as varying a rolling angle but fixing a pitching angle of the optical device with respect to the receptacle, where the rolling angle is around an X-direction perpendicular to the Z-direction and the pitching angle is around a Y-direction perpendicular to the Z-direction and the X-direction,', 'determining another rotating angle of the optical device with respect to the receptacle at which the optical device causes another minimum pressure against the receptacle, as varying the pitching angle but fixing the rolling angle, and', 'iterating the step of determining the rotating angle and the step of determining the another rotating ...

Managing Adhesive Curing for Photonic System Assembly

An apparatus for assembling a photonic system comprising a photonic integrated circuit (PIC) includes: a support structure configured to support the PIC; and a rigid structure surrounding a hollow passage that extends to an opening at a distal end of the rigid structure. The rigid structure includes an optically transmissive portion configured to transmit at least about 50% of a received beam of ultraviolet light, and configured such that at least a portion of the ultraviolet light transmitted through the rigid structure is incident upon an edge surface of the PIC at an angle of incidence that is less than about 60 degrees.

LIGHT GUIDING DEVICE, MANUFACTURING METHOD, AND LD MODULE

A double mirror (Mi) of a light-guiding device of the present invention is made of (i) a first mirror (Mi) that is mounted on a top surface of a base plate (B) and has a reflective surface (S) entering an input beam reflected by the reflective surface (S) and (ii) a second mirror (Mi) that is mounted on a top surface of the first mirror (Mi) and is a prism having a reflective surface (S) reflecting the input beam that has been reflected by the reflective surface (S), the input beam reflected by the reflective surface (S) being totally reflected inside the prism. 1. A light-guiding device that converts an input beam bundle made of a plurality of input beams to an output beam bundle made of a plurality of output beams , comprising:double mirrors each corresponding to a corresponding one of the input beams, the double mirrors each being separated from the other double mirrors each corresponding to another one of the input beams,the double mirrors respectively corresponding to the input beams each being made of a first mirror that is mounted on a specific flat surface and a second mirror that is mounted on the first mirror,the first mirror having a first reflective surface reflecting a corresponding one of the input beams,the second mirror having a second reflective surface reflecting the corresponding one of the input beams that has been reflected by the first reflective surface, the second mirror being a prism,the corresponding one of the input beams reflected by the first reflective surface being reflected outside the first mirror,the corresponding one of the input beams reflected by the second reflective surface being totally reflected inside the prism.2. The light-guiding device as set forth in claim 1 , wherein:an outward normal vector of the first reflective surface and a normal vector of the specific flat surface make an angle of substantially 45′; andan inward normal vector of the second reflective surface and the normal vector of the specific flat surface make ...

OPTICAL COUPLING LENS, OPTICAL COMMUNICTION DEVICE, AND METHOD FOR ASSEMBLING SAME

An optical coupling lens includes a first lens portion and a second lens portion. The first lens portion includes a first main body and at least one first lenses. The first main body includes a first optical surface and a reflecting surface inclined at a predetermined angle relative to the first optical surface. The first lens is formed on the first optical surface. The second lens portion includes a second main body and at least one second lens. The second main body includes a second optical surface, a bottom surface, and a top surface opposite to the bottom surface. The second lens is formed on the second optical surface. The second lens portion defines a receiving hole passing through the bottom surface and the top surface. The first lens portion is detachably received in the receiving hole with the first optical surface facing toward the bottom surface. 1. An optical coupling lens comprising: a first main body having a first optical surface and a reflecting surface inclined at a predetermined angle relative to the first optical surface; and', 'at least one lens formed on the first optical surface; and, 'a first lens portion comprising a second main body having a second optical surface,', 'a bottom surface substantially perpendicular to the second optical surface, and', 'a top surface opposite to the bottom surface; and', 'at least one second lens formed on the second optical surface,, 'a second lens portion comprisingwherein the second lens portion defines a receiving hole passing through the bottom surface and the top surface, and the first lens portion is detachably received in the receiving hole with the first optical surface facing toward the bottom surface, the second lens portion comprises an inclined surface connected to the top surface and inclined at a predetermined angle relative to the top surface, the receiving hole passes through the inclined surface, the inclined surface is coplanar with the reflecting surface when the first lens portion being ...

OPTOELECTRONIC DEVICE AND METHOD FOR ASSEMBLING AN OPTOELECTRONIC DEVICE

An optoelectronic device and a method for assembling an optoelectronic device are provided which obviate the need for providing additional structural elements only for aligning purposes, thus reducing the costs and effort for manufacturing the optoelectronic device. An optoelectronic substrate is mounted on a mounting surface of a mounting substrate; a coupling region of the optoelectronic device faces a reflection element. A fiber endpiece is arranged at a mounting distance from the mounting surface, the mounting distance being larger than a distance of the coupling region from the mounting surface. The mounting surface is exposed and free of any further substrates, layers or structures for mechanically connecting or contacting the optical fiber. A fiber portion which is arranged at a distance from the fiber endpiece contacts a glue droplet arranged on or above the mounting surface of the mounting substrate. 1. An optoelectronic device comprising:a mounting substrate having a mounting surface; a support surface, the optoelectronic substrate with its support surface being mounted at and supported by the mounting surface of the mounting substrate; and', 'at least one optoelectronic element with a coupling region for emitting or detecting electromagnetic radiation, the coupling region being oriented parallel to the support surface and/or to the mounting surface;, 'at least one optoelectronic substrate comprisingat least one optical fiber having a fiber endpiece;at least one reflective element for reflecting electromagnetic radiation entering or exiting the at least one optical fiber; andat least one glue droplet in a position fixed relative to the mounting surface of the mounting substrate; the glue droplet being made of a glue material or of another adhesive material;wherein each optical fiber comprises at least one fiber portion contacting and/or being immersed in the at least one glue droplet; the fiber portion being arranged at a distance from the fiber endpiece ...

OPTOELECTRONIC DEVICE AND METHOD OF ASSEMBLING AN OPTOELECTRONIC DEVICE

An optoelectronic device and a method for assembling an optoelectronic device are provided which allow coupling of an optical fiber with less constructional complexity of the design of the optoelectronic device, thus reducing the effort for manufacturing the components of the optoelectronic device. To this end, an optoelectronic substrate is mounted on a mounting surface of a mounting substrate on edge, i.e. edgewise on one of its sidewalls; a coupling surface of the optoelectronic device being oriented transverse to the mounting surface and thus directly facing the axial direction of the fiber endpiece of an optical fiber. A fiber portion arranged at a distance from the fiber endpiece contacts a glue droplet arranged on or above the mounting surface of the mounting substrate. The optoelectronic device and the assembling method obviate the need for providing any further substrate pieces or substrate-like structural elements only for aligning purposes. 1. An optoelectronic device at least comprising:a mounting substrate having a mounting surface; the optoelectronic substrate further having a coupling surface for emitting or receiving electromagnetic radiation to or from an optical fiber and further having a support surface transverse to the coupling surface;', 'the optoelectronic substrate, with its support surface, being mounted at and supported by the mounting surface of the mounting substrate;, 'at least one optoelectronic substrate comprising at least one optoelectronic element;'}at least one optical fiber having a fiber endpiece; andat least one glue droplet in a position fixed relative to the mounting surface; the glue droplet being made of a glue material or another adhesive material;wherein each optical fiber comprises at least one fiber portion immersed in and/or contacting the at least one glue droplet; the fiber portion being arranged at a distance from the fiber endpiece of the optical fiber; andwherein the fiber endpiece is positioned in an aligned ...

Active alignment of optical fiber to chip using liquid crystals

Devices and systems to perform optical alignment by using one or more liquid crystal layers to actively steer a light beam from an optical fiber to an optical waveguide integrated on a chip. An on-chip feedback mechanism can steer the beam between the fiber and a grating based waveguide to minimize the insertion loss of the system.

DIRECT COUPLING FIBER-DEVICE STRUCTURE

A direct coupling fiber-device structure including an optical fiber and a micro device is provided. The optical fiber has a first end, a second end opposite to the first end, and an inner cavity recessed from the first end. The micro device is in the inner cavity. The micro device has a first surface and a second surface. The first surface is substantially facing away from the first end. The second surface is opposite to the first surface and facing toward the first end. 1. A direct coupling fiber-device structure , comprising:an optical fiber having a first end, a second end opposite to the first end, and an inner cavity recessed from the first end; anda micro device in the inner cavity and having a first surface substantially facing away from the first end and a second surface opposite to the first surface and facing toward the first end.2. The direct coupling fiber-device structure of claim 1 , further comprising a base portion in contact with the first end claim 1 , wherein the micro device is between the first end and the base portion.3. The direct coupling fiber-device structure of claim 2 , wherein the base portion is in contact with the first surface of the micro device.4. The direct coupling fiber-device structure of claim 2 , further comprising a supporting element connecting the optical fiber and the base portion claim 2 , wherein the supporting element is in contact with an outer periphery of the optical fiber.5. The direct coupling fiber-device structure of claim 1 , further comprising a transparent layer in the inner cavity and between the micro device and the first end claim 1 , wherein a refractive index of the transparent layer is greater than 1.6. The direct coupling fiber-device structure of claim 5 , wherein the refractive index of the transparent layer is smaller than a refractive index of the micro device.7. The direct coupling fiber-device structure of claim 1 , wherein the micro device is a micro light emitting device.8. The direct coupling ...

Method and apparatus for automatic determination of a fiber type

A method and apparatus for automatic determination of a fiber type of at least one optical fiber span used in a link of an optical network, the method comprising the steps of measuring a length of said optical fiber span; measuring a chromatic dispersion of said optical fiber span; determining a fiber dispersion profile of said optical fiber span on the basis of the measured length and the measured fiber chromatic dispersion; and determining a fiber category and/or a specific fiber type of said optical fiber span depending on the determined fiber dispersion profile.

Optical interconnections for hybrid testing using automated testing equipment

A hybrid optical-electrical automated testing equipment (ATE) system can implement a workpress assembly that can interface with a device under test (DUT) and a load board that holds the DUT during testing, analysis, and calibration. A test hand can actuate to position the DUT on a socket and align one or more alignment features. The workpress assembly can include two optical interfaces that are optically coupled such that light can be provided to a side of the DUT that is facing away from the load board, thereby enabling the ATE system to perform simultaneous optical and electrical testing of the DUT.

OPTICAL BASED PLACEMENT OF AN OPTICAL COMPONTENT USING A PICK AND PLACE MACHINE

An optical pick and place machine that includes a self-calibrating optical controller for error feedback based optical placement of optical components using active alignment is described. The optical controller can include a loopback mode to generate a baseline value of light generated by a light source and measured by a photodetector within the optical controller. The optical controller can further include an active alignment mode in which the light is coupled from the pick and place machine to the optical device on which the component is placed. The optical coupling of the placed component can be evaluated against the baseline value to ensure that the optical coupling is within specification (e.g., within a prespecified range). 1. A method comprising for placing an optical component using a pick and place machine , the method comprising:generating, using a photodetector of an optical placement control circuit structure that is electrically connected to the pick and place machine, a baseline light value while the optical placement control circuit structure is in a loopback mode in which a light source of the optical placement control circuit structure couples light to the photodetector via a loopback optical pathway in the optical placement control circuit structure;storing the baseline light value in memory accessible to the optical placement control circuit structure;configuring the optical placement control circuit structure in an active alignment mode for placement of the optical component on an optical device using light generated by the light source;actuating a manipulator head that is releasably attached to the optical component to optically couple the optical component to the optical device such that light from the light source is input by the optical component into the optical device and light returned by the optical device is received by the optical component and measured as an optical power level by the photodetector of the optical placement control ...

ULTRA-SMALL FORM FACTOR OPTICAL CONNECTORS

An optical connector holding two or more LC-type optical ferrules is provided. The optical connector includes an outer body, an inner front body accommodating the two or more LC-type optical ferrules, ferrule springs for urging the optical ferrules towards a mating receptacle, and a back body for supporting the ferrule springs. The outer body and the inner front body are configured such that four LC-type optical ferrules are accommodated in a small form-factor pluggable (SFP) transceiver footprint or eight LC-type optical ferrules are accommodated in a quad small form-factor pluggable (QSFP) transceiver footprint. A mating receptacle (transceiver or adapter) includes a receptacle hook and a housing with an opening that accommodates the receptacle hook in a flexed position as the optical connector makes connection with the mating receptacle by introducing the receptacle hook into an optical receptacle hook recess. 1. A reconfigurable optical connector for holding two or more LC-type optical ferrules , comprising:a removable outer housing having a longitudinal bore;at least one inner front body removably received in the outer housing longitudinal bore, the inner front body supporting two LC-type optical ferrules, the inner front body comprising top and bottom portions with open sidewalls, the inner front body further comprising a receptacle hook recess configured to receive a receptacle hook from a mating receptacle;ferrule springs for urging the optical ferrules towards the mating receptacle; anda back body for supporting the ferrule springs.2. The reconfigurable optical connector of claim 1 , further comprising a flap in the outer housing having a retainer on the inner side thereof for holding the front body to the outer housing.3. The reconfigurable optical connector of claim 1 , further comprising a wall in the front body for separating the ferrule springs from each other.4. The reconfigurable optical connector of claim 1 , further comprising a push-pull tab on ...

ULTRA-SMALL FORM FACTOR OPTICAL CONNECTORS

An optical receptacle for receiving an optical connector is provided. The optical receptacle may be part of an optical transceiver or an optical adapter. The optical receptacle includes an optical receptacle outer housing wall. An optical receptacle hook opening is formed within the optical receptacle outer housing wall. A receptacle hook is received within the optical receptacle housing, the receptacle hook being configured to retain an optical connector within the optical receptacle. The optical receptacle hook opening is positioned to accommodate the receptacle hook in a flexed position when an optical connector in inserted into the optical receptacle. 1. A transceiver including an optical receptacle for receiving an optical connector , the transceiver optical receptacle comprising:a transceiver optical receptacle including an optical receptacle outer housing wall;an optical receptacle hook opening formed within the optical receptacle outer housing wall;a receptacle hook received within the transceiver optical receptacle housing, the receptacle hook configured to retain an optical connector within the transceiver optical receptacle;wherein the optical receptacle hook opening is positioned to accommodate the receptacle hook in a flexed position when an optical connector is inserted into the transceiver optical receptacle.2. The transceiver of claim 1 , wherein the receptacle hook is part of an alignment assembly received within the receptacle housing.3. The transceiver of claim 2 , further comprising alignment sleeves received within the alignment assembly.4. The transceiver of claim 2 , wherein the alignment assembly further comprises a receptacle housing hook for attaching the receptacle alignment assembly to the receptacle housing.5. The transceiver of claim 1 , wherein the receptacle housing further comprises a connector alignment slot.6. An optical adapter for an optical connector claim 1 , comprising:an adapter housing including an adapter outer housing wall ...

Assembly comprising a substrate and two components including optical waveguides, as well as method for production

An assembly may include at least one camera and a controllable mechanical handling device. The system may further include a first component, including a first optical waveguide and a second component, including a second optical waveguide. The first component and the second component are fixedly connected to a substrate and arranged directly next to one another on the substrate and relative to one another in such a way that a coupling side of the first component and a coupling side of the second component are situated opposite each other on a first and second side of a coupling plane. The optical waveguides of the first and second component each end at a first coupling surface or a second coupling surface. The first and second coupling sides are aligned, and optically coupled with one another at a first and second end face.

Waveguide-based detection system with scanning light source

The invention provides methods and devices for generating optical pulses in one or more waveguides using a spatially scanning light source. A detection system, methods of use thereof and kits for detecting a biologically active analyte molecule are also provided. The system includes a scanning light source, a substrate comprising a plurality of waveguides and a plurality of optical sensing sites in optical communication with one or more waveguide of the substrate, a detector that is coupled to and in optical communication with the substrate, and means for spatially translating a light beam emitted from said scanning light source such that the light beam is coupled to and in optical communication with the waveguides of the substrate at some point along its scanning path. The use of a scanning light source allows the coupling of light into the waveguides of the substrate in a simple and cost-effective manner.

Optical module connector system and method

A connector cover includes a body having a lower recessed portion configured to receive a portion of a reflecting connector of a type that retains the ends of optical fibers therein and has a reflector that redirects or turns the optical signals. The body has an upper housing portion that covers the reflector when the reflecting connector is received in the lower recessed portion of the body. The body also has a pair of arms extending from a forward end of the body. Each arm has a distal end with an arm distal end engagement. The arms are configured to engage a portion of an optical transceiver module.

OPTICAL AND THERMAL INTERFACE FOR PHOTONIC INTEGRATED CIRCUITS

Described herein are photonic systems and devices including a optical interface unit disposed on a bottom side of a photonic integrated circuit (PIC) to receive light from an emitter of the PIC. A top side of the PIC includes a flip-chip interface for electrically coupling the PIC to an organic substrate via the top side. An alignment feature corresponding to the emitter is formed with the emitter to be offset by a predetermined distance value; because the emitter and the alignment feature are formed using a shared processing operation, the offset (i.e., predetermined distance value) may be precise and consistent across similarly produced PICs. The PIC comprises a processing feature to image the alignment feature from the bottom side (e.g., a hole). A heat spreader layer surrounds the optical interface unit and is disposed on the bottom side of the PIC to spread heat from the PIC. 1an optical interface unit; a bottom side, wherein the optical interface unit is disposed on the bottom side;', 'a top side including a flip-chip interface for electrically coupling the PIC to an organic substrate via the top side;', 'an emitter to emit light through the PIC out of the bottom side to the optical interface unit; and', 'an alignment feature corresponding to the emitter and formed with the emitter to be offset by a predetermined distance value, wherein the PIC comprises a processing feature to image the alignment feature from the bottom side; and, 'a photonic integrated circuit (PIC), includinga heat spreader layer surrounding the optical interface unit and disposed on the bottom side of the PIC to spread heat from the PIC.. An apparatus comprising: This application is a continuation of U.S. application Ser. No. 14/611,392, filed Feb. 2, 2015, which application claims the benefit of priority to U.S. Provisional Patent Application entitled “Optical and Thermal Interface for Photonic Integrated Circuits,” Ser. No. 61/943,108, filed Feb. 21, 2014, which is hereby incorporated ...

THROUGH TRANSMISSION PATH ON PHOTONIC CIRCUITS FOR OPTICAL ALIGNMENT

A photonic integrated circuit (PIC) may be optically aligned to a plurality of optical components (e.g., an optical fiber array). Optical alignment may be facilitated by the use of an optical impedance element coupled between a first input/output (I/O) optical waveguide and a second I/O optical waveguide of the PIC. The optical impedance element me be configured to be transmissive during optical alignment and to be non-transmissive during the regular operation of the PIC. 120.-. (canceled)21. A photonic integrated circuit comprising:first, second, and third optical waveguides, the first and third optical waveguides having ends terminating proximate a common edge of a substrate of the photonic integrated circuit, and the second optical waveguide comprising an optical impedance element;a first tap coupler coupling the first optical waveguide to the second optical waveguide; anda second tap coupler coupling the second optical waveguide to the third optical waveguide.22. The photonic integrated circuit of claim 21 , wherein the optical impedance element comprises an optical filter.23. The photonic integrated circuit of claim 22 , wherein the optical filter comprises a multimode optical filter.24. The photonic integrated circuit of claim 22 , wherein the optical filter comprises a germanium absorption element.25. The photonic integrated circuit of claim 24 , wherein the germanium absorption element comprises a layer comprising germanium.26. The photonic integrated circuit of claim 25 , wherein the germanium layer comprises a silicon/germanium alloy.27. The photonic integrated circuit of claim 21 , wherein the optical impedance element comprises a variable optical attenuator.28. The photonic integrated circuit of claim 21 , wherein the ends of the first and third optical waveguides are tapered.29. The photonic integrated circuit of claim 21 , wherein the ends of the first and third optical waveguides are coupled to respective optical gratings.30. The photonic integrated ...

OPTICAL TRANSMISSION MODULE AND MANUFACTURING METHOD THEREOF

An optical transmission module in which optical axis adjustment is possible in a wide range and with a high accuracy, and a method of manufacturing the optical transmission module are provided. An optical transmission module includes a light source that outputs light, a mirror that reflects the light output by the light source, a lever on which the mirror is arranged and that has a fulcrum, a lens that converges the light reflected by the mirror, and a waveguide that transfers the light converged by the lens, with a core having a section width smaller than a wavelength in vacuum of the light. 1. An optical transmission module , comprising:a light source that outputs light;a mirror that reflects the light output by the light source;{'sub': '—', 'a lever on which the mirror is arranged and that has a fulcrum'}2. The optical transmission module according to claim 1 , further comprising:a lens that converges the light reflected by the mirror.3. The optical transmission module according to claim 2 , further comprising:a waveguide that transfers the light converged by the lens.4. The optical transmission module according to claim 1 ,wherein the lever is fixed by a fixing body.5. The optical transmission module according to claim 1 ,wherein when the lever is not fixed, the lever is bent in a direction perpendicular to an extending direction due to an external force.6. The optical transmission module according to claim 1 ,wherein when the lever is not fixed, the lever expands and contracts in an extending direction due to an external force.7. The optical transmission module according to claim 1 ,wherein the lever is a second-class lever including the fulcrum, a handle portion that is a force point to which an external force is applied, and an action point at which the mirror is arranged, when the lever is not fixed.8. The optical transmission module according to claim 1 ,wherein the lever is formed by etching an SOI layer.9. The optical transmission module according to ...

WAFER-LEVEL INTEGRATED OPTO-ELECTRONIC MODULE

A method to manufacture optoelectronic modules comprises a step of providing a first wafer comprising a plurality of first module portions, wherein each of the first module portions comprises at least one passive optical component, providing a second wafer comprising a plurality of second module portions, wherein each of the second module portions comprises at least one optoelectronic component. The wafers are disposed on each other to provide a wafer stack that is diced into individual optoelectronic modules respectively comprising one of the first and the second and the third module portions. 1. A method to manufacture optoelectronic modules , comprising:providing a first wafer comprising a plurality of first module portions, wherein each of the first module portions comprises at least one passive optical component, wherein the at least one passive optical component has a first and a second side and is configured to modify a beam of light such that a direction of light coupled in the at least one passive optical component at the first side is changed and coupled out of the at least one passive optical component at the second side;providing a second wafer comprising a plurality of second module portions, wherein each of the second module portions comprises at least one optoelectronic component and metalized via holes extending in a material of the second wafer from a first surface of the second wafer to a second opposite surface of the second wafer, wherein the respective at least one optoelectronic component of the second module portions is electrically connected to the respective metalized via holes of the second module portions;providing a third wafer comprising a plurality of third module portions, wherein each of the third module portions comprises at least one electronic component;bonding the second wafer onto the third wafer such that the respective at least one electronic component of the third module portions is electrically coupled to the respective at ...

Hybrid polarization-multiplexed coherent pic transmitters and receivers

Consistent with the present disclosure, active devices, such as lasers, optical amplifiers, and photodiodes, are integrated on a first substrate, and other optical devices, such as passive devices including polarization rotators and polarization beam combiners, are provided on a second substrate. An array of lenses is provided between the two substrates to provide a low loss optical connection from the first substrate to the second substrate. In addition, the orientation or position of the lenses can be readily controlled with Microelectromechnical System (MEMS) actuators so that the light can be directed precisely to a desired optical element, such as a waveguide. Consistent with a further aspect of the present disclosure, the lenses may be controlled to be misaligned by varying degrees in order to control the amount of light that is supplied from one substrate to another. Accordingly, the lenses may act as variable optical attenuators to provide uniform optical power levels, for example, or any desired power distribution.

WAVEGUIDE-BASED DETECTION SYSTEM WITH SCANNING LIGHT SOURCE

The invention provides methods and devices for generating optical pulses in one or more waveguides using a spatially scanning light source. A detection system, methods of use thereof and kits for detecting a biologically active analyte molecule are also provided. The system includes a scanning light source, a substrate comprising a plurality of waveguides and a plurality of optical sensing sites in optical communication with one or more waveguide of the substrate, a detector that is coupled to and in optical communication with the substrate, and means for spatially translating a light beam emitted from said scanning light source such that the light beam is coupled to and in optical communication with the waveguides of the substrate at some point along its scanning path. The use of a scanning light source allows the coupling of light into the waveguides of the substrate in a simple and cost-effective manner. 1. A detection system for detecting a biologically active analyte molecule comprising:a substrate comprising one or more excitation waveguides, a plurality of collection waveguides, the one or more excitation waveguides and the plurality of collection waveguides crossing to form an array of intersection regions where an excitation waveguide and a collection waveguide cross and provide optical communication with the intersection region at each crossing, and a plurality of optical sensing sites each in optical communication with an intersection region;a scanning light source, wherein the scanning light source is at some point along its scanning path in optical communication with at least one of the one or more excitation waveguides;a detector that is in optical communication with one or more of the collection waveguides; andan actuator for spatially translating a light beam emitted from the scanning light source relative to the substrate such that the light beam is coupled to and in optical communication with at least one of the one or more excitation waveguides of ...

METHOD OF PRECISION BEAM COLLIMATION USING FIBER-OPTIC CIRCULATOR AND WAVELENGTH TUNABLE SOURCE

A method of calibrating a collimating lens system includes transmitting, using an optical transmitter, a beam out of an optical fiber and through a collimating lens of the collimating lens system. The beam is reflected off a perfect flat mirror positioned at an output of the collimating lens and back towards the collimating lens, and received, via the collimating lens, at a power meter connected to the optical fiber. The method also includes adjusting a position of a tip of the optical fiber proximal to the collimating lens while tracking a power reading using the power meter, selecting a calibration position of the optical fiber corresponding to a highest power reading, and securing the optical fiber relative to the collimating lens using the calibration position. 1. A method of calibrating a collimating lens system , the method comprising:transmitting, using an optical transmitter, a beam out of an optical fiber and through a collimating lens of the collimating lens system;reflecting the beam off a perfect flat mirror positioned at an output of the collimating lens and back towards the collimating lens;receiving, via the collimating lens, the reflected beam at a power meter connected to the optical fiber;adjusting a position of a tip of the optical fiber proximal to the collimating lens while tracking a power reading using the power meter;selecting a calibration position of the optical fiber corresponding to a highest power reading; andsecuring the optical fiber relative to the collimating lens using the calibration position.2. The method of claim 1 , wherein the collimating lens system includes a collimator and an afocal telescope.3. The method of claim 1 , wherein the reflecting of the beam includes adjusting the perfect flat mirror using a tip-tilt mount so the beam is reflected back towards the collimating lens.4. The method of claim 1 , wherein the adjusting of the position includes moving the optical fiber along a center axis of the collimating lens.5. The ...

Optical module and method for manufacturing the optical module

An optical module includes: a photonic device emitting or receiving a light wave; an optical waveguide for transmitting the light wave; a lens focusing the light wave; a mirror for changing a traveling direction of the light wave to optically couple the photonic device with the optical waveguide; a manipulation lever for manipulating an orientation of the mirror; a support spring for supporting the mirror; and a substrate integrated with the mirror, the manipulation lever, and the support spring. The support spring couples the mirror with the substrate so as to allow the mirror to change the orientation thereof with movement or rotation along at least two axes. The manipulation lever extends from the mirror in a direction in which the manipulation lever avoids approaching the optical waveguide.

OPTICAL ALIGNMENT DEVICE AND OPTICAL ALIGNMENT METHOD

Provided are an optical alignment device applied to an assembly process of an optical transmitter and an optical receiver that include multi-channel optical elements and optical waveguide elements for optical communication, and an optical alignment method thereof. The optical alignment device includes an element fixing case with a mounting space formed thereinside and an element insertion hole communicating with the mounting space formed at an upper side thereof, and a light source mounted in the mounting space of the element fixing case and configured to emit light toward a lower side of an optical element or an optical waveguide element which is inserted into the element insertion hole to check a position of a core. 1. An optical alignment device comprising:an element fixing case having a mounting space formed thereinside and an element insertion hole communicating with the mounting space formed at an upper side thereof; anda light source mounted in the mounting space of the element fixing case and configured to emit light toward a lower side of an optical element or an optical waveguide element which is inserted into the element insertion hole to check a position of a core.2. The optical alignment device of claim 1 , wherein a fixing case support part having a plate shape is provided at a lower portion of the element fixing case.3. The optical alignment device of claim 1 , wherein an opening is formed at a front surface of the element fixing case.4. The optical alignment device of claim 3 , wherein a display window formed of a transparent or semi-transparent material is selectively mounted in the opening.5. The optical alignment device of claim 1 , wherein a depth limiting part configured to limit an insertion depth of the optical element or the optical waveguide element is formed inside the element fixing case.6. The optical alignment device of claim 5 , further comprising a medium coated part formed at a lower portion of the depth limiting part and coated with ...

OPTICAL TRANSCEIVER

An optical transceiver can include a transmitter having a photonic integrated circuit, and a receiver having a current-to-voltage converter and a photodetector in electrical communication with the current-to-voltage converter and separate from the photonic integrated circuit. Each of the transmitter and the receiver can include an interconnect member that includes first and second optical paths for the propagation of optical transmit signals and optical receive signals, respectively. The interconnect members of the transmitter and receiver can further define electrical paths that are configured to connect to an underlying substrate at one end, and the transmitter and receiver, respectively. The interconnect members can be separate from each other or can define a single monolithic interconnect member. 1. An interconnect member configured to be mounted onto a substrate , the interconnect member comprising:an optical coupler having at least one optically transmissive path configured to conduct optical signals from an origination surface of the interconnect member to a termination surface of the interconnect member; andan electrical interposer monolithic with the optical coupler, the electrical interposer including a plurality of electrically conductive vias that extend from a first surface of the interconnect member to a second surface of the interconnect member, wherein the electrically conductive vias are configured to be placed in electrical communication with at least one electrical component of a transceiver at the first surface, and further configured to be placed in electrical communication with the substrate at the second surface.2. The interconnect member as recited in claim 1 , wherein the origination surface and the termination surface define a common surface of the optical coupler.3. The interconnect member as recited in claim 1 , wherein the origination surface and the termination surface define different surfaces of the optical coupler.4. The interconnect ...

PHOTONIC INPUT/OUTPUT COUPLER ALIGNMENT

Optical alignment of an optical connector to input/output couplers of a photonic integrated circuit can be achieved by first actively aligning the optical connector successively to two loopback alignment features formed in the photonic chip of the PIC, optically unconnected to the PIC, and then moving the optical connector, based on precise knowledge of the positions of the loopback alignment features relative to the input/output couplers of the PIC, to a position aligned with the input/output couplers of the PIC and locking it in place. 1. A photonic chip comprising:a substrate;a photonic integrated circuit (PIC) comprising a plurality of photonic devices formed in the substrate, the plurality of photonic devices comprising a first plurality of input/output couplers arranged in an array having a constant pitch; andat least one loopback alignment feature formed in the substrate optically unconnected to the PIC, the at least one loopback alignment feature comprising a closed loop formed by at least two couplers and at least two waveguides connecting the at least two couplers, a distance between the at least two couplers being equal to an integer multiple of the constant pitch of the array of input/output couplers of the PIC.2. The photonic chip of claim 1 , wherein the at least two loopback alignment feature comprises a first loopback alignment feature comprising the closed loop and a second loopback alignment feature claim 1 , optically unconnected to the first loopback alignment feature claim 1 , comprising two additional couplers connected to each other by at least one waveguide claim 1 , a distance between the two additional couplers being equal to an integer multiple of the constant pitch of the array of input/output couplers of the PIC.3. The photonic chip of claim 1 , wherein the closed loop is formed by at least three couplers and at least three optical waveguides connecting the at least three couplers claim 1 , and wherein the at least one loopback alignment ...

INTEGRATED TARGET WAVEGUIDE DEVICES AND SYSTEMS FOR OPTICAL COUPLING

Integrated target waveguide devices and optical analytical systems comprising such devices are provided. The target devices include an optical coupler that is optically coupled to an integrated waveguide and that is configured to receive optical input from an optical source through free space, particularly through a low numerical aperture interface. The devices and systems are useful in the analysis of highly multiplexed optical reactions in large numbers at high densities, including biochemical reactions, such as nucleic acid sequencing reactions. The devices provide for the efficient and reliable coupling of optical excitation energy from an optical source to the optical reactions. Optical signals emitted from the reactions can thus be measured with high sensitivity and discrimination. The devices and systems are well suited for miniaturization and high throughput. 195-. (canceled)96. An integrated optical delivery device comprising:an optical input;a plurality of optical outputs; anda plurality of optical output waveguides disposed on a substrate and optically connected to the optical input and the plurality of optical outputs;wherein at least one optical output waveguide comprises a power modulator.97. The integrated optical delivery device of claim 96 , wherein the device comprises a plurality of optical inputs claim 96 , and wherein the plurality of optical output waveguides are optically connected to the plurality of optical inputs and the plurality of optical outputs.98. The integrated optical delivery device of claim 96 , wherein the power modulator is a variable optical attenuator.99. The integrated optical delivery device of claim 98 , wherein the variable optical attenuator is an integrated optical Mach-Zehnder interferometer.100. The integrated optical delivery device of claim 96 , wherein the optical output is configured for optical coupling to a target waveguide device through free space at a distance of at least 1 mm claim 96 , at least 2 mm claim 96 ...

OPTICAL MODULE

This optical module comprises a substrate, light-emitting elements, a ferrule, an optical receptacle, through-holes and an adhesive. The optical receptacle includes two support units, and an optical receptacle body that has a first optical surface and a second optical surface. The through-holes include two first through-holes surrounded by the leading ends of the support units and the ferrule, and two second through-holes which are surrounded by the optical receptacle body, the support units and the ferrule. Thus, even using the adhesive to fix the optical receptacle and the ferrule to the substrate, it is possible to optically connect multiple optical transmission bodies with multiple light-emitting elements or multiple light-receiving elements in a suitable manner. 1. An optical module , comprising:a substrate;a plurality of light emitting elements or a plurality of light receiving elements arrayed on the substrate;a ferrule which holds a plurality of optical transmission members being configured to receive light respectively from the plurality of light emitting elements or to emit light respectively to the plurality of light receiving elements;an optical receptacle which is disposed on the substrate, with the ferrule being fixed to the optical receptacle, the optical receptacle being configured to optically couple the plurality of light emitting elements or the plurality of light receiving elements to the plurality of optical transmission members, respectively;four through holes formed in a boundary between the ferrule and the optical receptacle in a direction substantially perpendicular to the substrate; andan adhesive filled into the four through holes to adhere the ferrule and the optical receptacle to the substrate,wherein: an optical receptacle body including a plurality of first optical surfaces which are configured such that light emitted from the plurality of light emitting elements is respectively incident on the first optical surface or are configured ...

METHOD OF PRODUCING OPTICAL MODULE AND OPTICAL MODULE

A process of installing optical components as precisely aligning optical axes thereof is disclosed. The process, which relates to an optical module having a signal port and/or a local port, and optical components optically coupling the ports with an active device having a built-in photodiode (PD), includes steps of (a) preparing a reference mirror that emulates a housing with a side to which the ports are attached, (b) aligning an optical axis of the auto-collimator with an optical axis of the reference mirror; (c) replacing the reference mirror with the housing; (d) aligning optical axes of the optical components with the optical axis of the auto-collimator; and (e) installing the optical components within the housing. 1. A process of assembling an optical module that provides an optical port , a side to which the optical port is attached , an optical device , and optical components that optically couple the optical port with the optical device , the process comprising steps of:aligning an optical axis of an auto-collimator with an optical axis of a reference mirror that emulates the optical module;replacing the reference mirror with the optical module;aligning optical axes of the optical components with the optical axis of the auto-collimator; andinstalling the optical components within the optical module.2. The process of claim 1 ,further including steps of:aligning an optical axis of a test port with the optical axis of the reference mirror, the test port generating a test beam;replacing the reference mirror with the optical module; andaligning the test port with the optical module as detecting the test beam provided from the test port by an optical detector built-in the optical device.3. The process of claim 2 ,wherein the optical device is an optical hybrid and the optical detector is a semiconductor photodiode built-in the optical hybrid.4. The process offurther including steps of:after the step of aligning the test port, aligning an optical axis of another ...

Free Space Optical (FSO) System

A detector configuration for use in a free space optical (FSO) node for transmitting and/or receiving optical signals has a plurality of sensors for detecting received optical signals. The system may be configured to modify or alter the light at the plurality of sensor to optimize different system functions. 1. A free space optical node configured to receive a received optical beam from and simultaneously transmit a transmitted optical beam to a remote free space optical node , comprising:a fiber coupled to receive and transmit electronics at an initial end, and comprising a terminal end of the fiber positioned at a focal plane, the fiber passing the transmit and received optical beams between the initial and terminal ends of the fiber;fore optics positioned along an optical path of at least a portion of the received optical beam, the fore optic creating a plurality of defocused images at a second plane, that overlap each other at the second plane; andan alignment sensor positioned at the second plane.2. The free space optical node of claim 1 , wherein the focal plane and the second plane are the same plane.3. The free space optical node of claim 1 , wherein the fore optics comprise a diffuser.4. The free space optical node of claim 1 , wherein the fore optics comprise a phase screen.5. The free space optical node of claim 4 , wherein the phase screen is a holographic phase screen.6. The free space optical node of claim 1 , wherein the alignment sensor is a wave front sensor.7. The free space optical node of claim 1 , wherein the fore optics create symmetric defocused images both inside and outside the focal plane creating mirror overlapping images at the second plane.8. The free space optical node of claim 1 , wherein the fore optics comprise an annular ring with optical power to symmetrically defocus before and after the focal plane.9. The free space optical node of claim 8 , wherein the annular ring and a lens are integrated together with each other as part of a ...

MULTI-CHANNEL OPTICAL MODULE AND MANUFACTURING METHOD THEREOF

Provided herein is a multi-channel optical module that transmits or receives an optical signal of multi-channels and a manufacturing method thereof, the multi-channel optical module including a multi-channel optical fiber block configured to transmit an optical signal, a submount including an array optical receiving element unit configured to receive the optical signal; and a mirror unit arranged on a metal optical bench and configured to induce the optical signal transmitted from the multi-channel optical fiber block to the array optical receiving element unit, wherein for the inducement of the optical signal to the array optical receiving element unit, the mirror unit is passively aligned with the array optical receiving element unit, and the multi-channel optical fiber block is actively aligned with the mirror unit. 1. A method for manufacturing a multi-channel optical module comprising:forming a mirror unit by passively aligning a first array lens and a second array lens to each other such that an optical signal that enters from the first array lens formed on an incidence surface of a mirror reaches to the second array lens formed on an exit surface of the mirror;passively aligning the mirror unit to an array optical receiving element unit such that the optical signal that exits the second array lens reaches a predetermined position of the array optical receiving element unit; andactively aligning a multi-channel array optical fiber block configured to transmit the optical signal to the first array lens of the mirror unit using the optical signal such that the optical signal reaches the array optical receiving element.2. The method for manufacturing a multi-channel optical module according to claim 1 ,wherein the array optical receiving element unit on a submount is placed on one side of a metal optical bench depressed towards the inside, andthe mirror unit is arranged and fixed on the metal optical bench.3. The method for manufacturing a multi-channel optical ...

Manufacturing method and manufacturing apparatus for optical multiplexer

The present invention relates to a manufacturing method for an optical multiplexer provided with: a substrate having a first main surface and a second main surface that are parallel to each other; a mirror disposed on the first main surface; and an optical filter disposed on the second main surface. This method includes: a step for placing the mirror on the first main surface of the substrate, performing angular adjustment between the substrate and the mirror using an autocollimator, and then fixing the mirror to the substrate; and a step for placing the optical filter on the second main surface of the substrate, performing angular adjustment between the substrate and the optical filter using the autocollimator, and then fixing the optical filter to the substrate.

Laser Alignment Apparatus and System for Alignment of Output Fiber of a Fiber Laser

A laser alignment system is used to align an output fiber with a fiber laser, for example, when coupling a feeding fiber to a process fiber using a beam coupler or switch. The alignment system includes a laser alignment apparatus that is coupled at a first end to the output fiber and at a second end to a beam dump/power meter. The alignment apparatus defines a light passage and a light capture chamber along the light passage. When light is not aligned into the core of the output fiber, at least a portion of the light passing out of the output fiber will be captured by the light capture chamber and detected by a photodetector in optical communication with the light capture chamber. By monitoring the readings of the photodetector, the output fiber may be properly aligned with the laser light from the fiber laser. 1. A laser alignment apparatus comprising:at least one housing defining a light passage extending from a first end to a second end and a light capture chamber located along the light passage, the light capture chamber having a reflective arcuate inner surface and an inner wall defining a central aperture coaxial with the light passage, wherein the inner wall extends toward the first end and separates the aperture from a portion of the light capture chamber, and wherein the reflective arcuate inner surface of the light capture chamber is configured to reflect light passing from the first end toward the second end when the light is outside the central aperture;at least one photodetector in optical communications with the light capture chamber; anda fiber coupler adapter coupled to the first end of the housing for receiving a fiber coupler at one end of an output fiber optically coupled to a fiber laser.2. The laser alignment apparatus of wherein the fiber coupler adapter is removably mounted to the housing with fasteners.3. The laser alignment apparatus of wherein at least one housing includes an outer housing and an inner housing.4. The laser alignment ...

MULTIPLE WAVEGUIDE ALIGNMENT

According to some possible implementations, an optical device may include a plurality of photodiodes, wherein alignment of the plurality of photodiodes with a fixed separation to a plurality of multi-mode waveguides disposed on an optical waveguide chip and with the same fixed separation is optimized by alignment of at least one of the plurality of photodiodes to at least one single-mode waveguide and translation of the optical waveguide chip relative to the plurality of photodiodes by a fixed offset of the at least one single-mode waveguide relative to the plurality of multi-mode waveguides. 1. An optical device , comprising: 'wherein alignment of the plurality of photodiodes with a fixed separation to a plurality of multi-mode waveguides disposed on an optical waveguide chip and with the same fixed separation is optimized by alignment of at least one of the plurality of photodiodes to at least one single-mode waveguide and translation of the optical waveguide chip relative to the plurality of photodiodes by a fixed offset of the at least one single-mode waveguide relative to the plurality of multi-mode waveguides.', 'a plurality of photodiodes,'}2. The optical device of claim 1 , wherein the optical waveguide chip is a planar lightwave circuit (PLC) and the optical device is to be translated relative to the PLC after alignment of the at least one of the plurality of photodiodes to the at least one single-mode waveguide to align the plurality of photodiodes to the plurality of multi-mode waveguides.3. The optical device of claim 1 , wherein a translation distance that the optical device is to be translated is a distance between the at least one single-mode waveguide and an adjacent at least one multi-mode waveguide of the plurality of multi-mode waveguides.4. The optical device of claim 1 , further comprising:a substrate including the plurality of photodiodes.5. The optical device of claim 1 , wherein the plurality of photodiodes is 4 photodiodes claim 1 , the ...

ELEMENT PROVIDED WITH PORTION FOR POSITION DETERMINATION AND MEASURING METHOD

A method for measuring a position of a target surface provided with portions for position determination thereon, wherein a diffuse reflectance of the target surface is 0.1% or less, and a diffuse reflectance of the portions for position determination is 5% or more, and wherein the target surface is configured such that a tangential plane at any point on the target surface where each of the portions for position determination is installed forms an arbitrary angle between 15 degrees and 75 degrees inclusive with a certain direction, the method including the steps of illuminating the target surface with parallel light in the certain direction; determining positions of border lines of the plural portions for position determination from an image of the target surface; and determining the position of the target surface from the positions of the border lines of the plural portions for position determination. 1. A method for measuring a position of a target surface provided with portions for position determination thereon , wherein a diffuse reflectance of the target surface is 0.1% or less , and a diffuse reflectance of the portions for position determination is 5% or more , andwherein the target surface is configured such that a normal to a tangential plane at any point on the target surface where each of the portions for position determination is installed forms an arbitrary angle between 15 degrees and 75 degrees inclusive with a certain direction,the method including the steps of:illuminating the target surface with parallel light in the certain direction;determining positions of border lines of the plural portions for position determination from an image of the target surface; anddetermining the position of the target surface from the positions of the border lines of the plural portions for position determination.2. A method according to claim 1 , wherein the target surface is a surface of an element provided with a first plane and a second plane forming an angle ...

PHOTONIC INTERFACE FOR ELECTRONIC CIRCUIT

A photonic interface for an electronic circuit is disclosed. The photonic interface includes a photonic integrated circuit having a modulator and a photodetector, and an optical fiber or fibers for optical communication with another optical circuit. A modulator driver chip may be mounted directly on the photonic integrated circuit. The optical fibers may be placed in v-grooves of a fiber support, which may include at least one lithographically defined alignment feature for optical alignment to the silicon photonic circuit. 120-. (canceled)21. A photonic interface assembly for providing communication between at least one optical fiber and an electronic circuit , comprising:a substrate including: at least one of a first and a second port, and at least one of a first and a second electrical connection electrically connected to the first and second ports, respectively, for electrically connecting to the electronic circuit; at least one optical port for optically coupling to the at least one optical fiber for outputting a first optical signal and/or for receiving a second optical signal;', 'a third electrical connection electrically connected to the first port for receiving a first electrical signal from the electronic circuit and/or a fourth electrical connection electrically connected to the second port for coupling a second electrical signal to the electronic circuit; and', 'at least one of a laser and an optical modulator for modulating an optical carrier wave with the first electrical signal to provide the first optical signal, and/or a photodetector for providing the second electric signal in response to the second signal; and, 'a photonic integrated circuit mounted on the substrate comprisinga fiber support attached to the photonic integrated circuit for optically aligning the at least one optical fiber with the at least one optical port.22. The photonic interface assembly of claim 21 , wherein the photonic integrated circuit comprises a silicon photonic chip.23. ...

METHOD FOR ASSEMBLING A HOLLOW CORE OPTICAL FIBER ARRAY LAUNCHER

A method for assembling a beam combiner array including providing an array block having a back wall, a front surface and a plurality of aligned channels extending from the back wall to the front surface, where a bore extends through the back wall and into each channel, and providing a lens array including a plurality of lenses. The method further includes securing the lens array to the front surface of the block so that one of the lenses is aligned with each channel and threading a separate hollow core fiber through one of the bores in the back wall so that an end of the fiber is positioned within the channel. The method also includes aligning each fiber to the lens array so that a beam that propagates down the fiber is emitted into the channel, focused by the lens and emitted from the array as a collimated beam. 1. A method for assembling a beam combiner array , said method comprising:providing an array block including a back wall having a thickness and a front surface, said array block including a plurality of aligned channels extending from the back wall to the front surface, wherein a bore extends through the back wall and into each channel;providing a lens array including a plurality of lenses;securing the lens array to the front surface of the block so that one of the lenses is aligned with each channel;threading a separate hollow core fiber through one of the bores in the back wall so that an end of the fiber is positioned within the channel; andaligning each fiber to the lens array in an x-y-z direction so that a beam that propagates down the fiber is emitted into the channel, focused by the lens and emitted from the array as a collimated beam.2. The method according to further comprising threading each fiber through a bore in a fiber flange prior to threading the fiber through the bore in the back wall.3. The method according to further comprising cleaving an end of each fiber after the fiber is threaded through the bore in the flange but prior to the fiber ...

OPITCAL FIBER PLUG CONNECTION AND ADJUSTMENT METHOD

A fiber plug facilitates optical coupling of a light-guiding fiber to a plug receptacle and includes a plug housing for receiving and locking parts of the fiber plug in position relative to one another. The plug housing has: a fiber inlet and a fiber bearing for the spatially fixed reception of the fiber; optically downstream of the fiber bearing along a beam path, an optical lens for collecting light exiting at an end face of the light-guiding fiber and for collimating the collected light; and a coupling surface with an output of the beam path and with a coupling structure for connection to a receptacle structure that is complementary to the coupling structure. An adjustable optical element is arranged optically downstream of the fiber bearing in the beam path and has a first component of a magnetic coupling consisting of two components and a first component of a kinematic coupling. 1. A fiber plug for the optical coupling of a light-guiding fiber with a plug receptacle , the fiber plug comprising: a fiber inlet and a fiber bearing for the spatially fixed reception of the light-guiding fiber;', 'optically downstream of the fiber bearing along a beam path, at least one optical lens for collecting light exiting at an end face of the light-guiding fiber and for collimating the collected light; and', 'a coupling surface with an output of the beam path and with a coupling structure for connection to a receptacle structure, which is complementary to the coupling structure,, 'a plug housing for receiving and locking component parts of the fiber plug in a predetermined position relative to one another; wherein the plug housing has'} at least one adjustable optical element is arranged optically downstream of the fiber bearing in the beam path; and', 'the coupling structure has a first component of a magnetic coupling that includes two components and a first component of a kinematic coupling., 'wherein2. The fiber plug plug according to claim 1 , wherein a prism wedge pair ...

CONNECTOR DEVICE AND PLUG CONNECTOR

A plug connector is provided with a photoelectric conversion portion, a first electric connector and a first lock portion. The first electric connector inputs and outputs electric signals into and from the photoelectric conversion portion. The first lock portion and the first electric connector are apart from each other by a first distance. A receptacle connector is provided with a second lock portion and a second electric connector. When the plug connector and the receptacle connector are mated with each other, the second lock portion engages with the first lock portion, and the second electric connector is connected to the first electric connector. The second lock portion and the second electric connector are apart from each other by a second distance. A difference between the first distance and the second distance is equal to or less than an effective contact length between the first electric connector and the second electric connector. 1. A connector device comprising a plug connector and a receptacle connector which are mateable with each other along a mating direction , wherein:the plug connector comprises a cable-holding portion, a photoelectric conversion portion, a first electric connector and a first lock portion;the cable-holding portion holds an optical fiber cable which transmits an optical signal;the first electric connector inputs and outputs electric signals into and from the photoelectric conversion portion;the photoelectric conversion portion converts the optical signal and the electric signal to each other;the first lock portion and the first electric connector are apart from each other by a first distance in the mating direction;the receptacle connector comprises a second lock portion and a second electric connector;the second lock portion engages with the first lock portion when the plug connector and the receptacle connector are mated with each other;the second electric connector is connected to the first electric connector when the plug ...

OPTICAL MODULE AND PROCESS OF ASSEMBLING THE SAME

An optical module that provides a semiconductor modulator, an input lens system and first and second output lens systems, and two monitor photodiodes is disclosed. The semiconductor modulator provides an input port, first and second output ports, and two monitor ports in one side thereof. The input port and the first and second output ports face the input lens system and the first and second lens systems, respectively. The two monitor ports face the two monitor photodiodes, respectively. The first and second output ports are symmetrically disposed with respect to the input port in the one side. The two monitor ports are disposed in respective outer sides of the first and second output ports and symmetrically with respect to the input port. 1. An optical module , comprising:a semiconductor modulator having a rectangular plane shape that provides an input port, first and second output ports and two monitor ports, where the semiconductor modulator receives a continuous beam in the input port, splits the continuous beam into split beams, modulates the split beams in phases thereof to generate beams, and combines a part of the beams to generate a first output beam output from the first output port and a rest of the beams to generate a second output beam output from the second output port, the monitor ports each outputting monitor beams split from the first and second output beams, respectively;an input lens system and first and second output lens system, the input lens system facing the input port, the first and second output lens systems facing the first and second output ports; andwherein the semiconductor modulator provides one side in the rectangular plane shape, the first and second output ports being disposed symmetrical with respect to the input port in the one side, the two monitor ports being disposed in respective outer sides of the first and second output ports and symmetrical with respect to the input port in the one side.2. The optical module according to ...

INTEGRATED TARGET WAVEGUIDE DEVICES AND SYSTEMS FOR OPTICAL COUPLING

Integrated target waveguide devices and optical analytical systems comprising such devices are provided. The target devices include an optical coupler that is optically coupled to an integrated waveguide and that is configured to receive optical input from an optical source through free space, particularly through a low numerical aperture interface. The devices and systems are useful in the analysis of highly multiplexed optical reactions in large numbers at high densities, including biochemical reactions, such as nucleic acid sequencing reactions. The devices provide for the efficient and reliable coupling of optical excitation energy from an optical source to the optical reactions. Optical signals emitted from the reactions can thus be measured with high sensitivity and discrimination. The devices and systems are well suited for miniaturization and high throughput. 1. An integrated target waveguide device comprising:an optical coupler;an integrated waveguide optically coupled to the optical coupler; anda plurality of nanoscale sample wells optically coupled to the integrated waveguide;wherein the optical coupler has a numerical aperture of no more than 0.10; and{'sup': '2', 'wherein the optical coupler is at least 100 μmin size.'}2. (canceled)3. The target waveguide device of claim 1 , wherein the optical coupler is a grating coupler.4. The target waveguide device of claim 3 , wherein the grating coupler has blazed etching.5. The target waveguide device of claim 3 , wherein the grating coupler has top-sided etching.6. The target waveguide device of claim 3 , wherein the grating coupler has bottom-sided etching.7. The target waveguide device of claim 3 , wherein the grating coupler has double-sided etching.8. The target waveguide device of claim 3 , wherein the grating coupler has an overlay layer.9. The target waveguide device of claim 8 , wherein the overlay layer is a silicon nitride layer or a silicon carbide layer.10. The target waveguide device of claim 3 , ...

OPTICAL CONNECTOR

An optical connector includes a lens body having a lens portion, a fiber optic transceiver having an optical element, a housing, an biasing portion configured to bias the fiber optic transceiver toward the lens portion, and a plurality of abutment convex portions provided on at least one of the lens body and the fiber optic transceiver such that the fiber optic transceiver biased toward the lens body by the biasing portion is arranged in parallel to the lens body with a uniform gap between the fiber optic transceiver and the lens body in a direction along an optical axis of the optical element. 1. An optical connector comprising:a lens body having a lens portion;a fiber optic transceiver having an optical element which is provided at a position facing the lens portion when the fiber optic transceiver is assembled to the lens body;a housing having a containing portion in which the lens body and the fiber optic transceiver assembled to the lens body are contained;a biasing portion configured to bias the fiber optic transceiver contained in the containing portion toward the lens portion; anda plurality of abutment convex portions provided on at least one of the lens body and the fiber optic transceiver such that the fiber optic transceiver biased toward the lens body by the biasing portion is arranged in parallel to the lens body with a uniform gap between the fiber optic transceiver and the lens body in a direction along an optical axis of the optical element.2. The optical connector according to claim 1 ,wherein the lens portion includes a light emitting side lens portion and a light receiving side lens portion;wherein the fiber optic transceiver includes a light emitting side fiber optic transceiver facing the light emitting side lens portion and a light receiving side fiber optic transceiver facing the light receiving side lens portion; andwherein at least three of the abutment convex portions are provided around a periphery of each of a light emitting side ...

COUPLING DEVICE FOR AN OPTICAL WAVEGUIDE HAVING A CENTERING DEVICE

A coupling device () for an optical waveguide (), in particular for an endoscope () or a light source (), having an optical waveguide receptacle () aligned with a light-coupling optical unit (), and having a centering device () for aligning an optical waveguide () with respect to the optical axis (). The centering device () has at least two transmission elements () acted upon by a spring (), and has centering elements (), and wherein the spring force is distributed by a transmission element () uniformly to all the centering elements (). 198101110121911811261012251919. A coupling device () for an optical waveguide () with a light-exit optical unit () , the coupling device comprising: an optical waveguide receptacle () aligned with the light-exit optical unit () , a centering device () with at least two force-actuated centering elements () arranged around the optical waveguide receptacle () and adapted to center an optical waveguide () inserted in the optical waveguide receptacle () with respect to an optical axis () of the light-exit optical unit () , the centering device () including a transmission element () that is movable in a guided manner and arranged between the centering elements () and an actuation force , such that the centering elements () are simultaneously force-actuated.2925. The coupling device () as claimed in claim 1 , further comprising a sliding guide by which the transmission element () is guided in a linearly movable manner.392511. The coupling device () as claimed in claim 1 , wherein the transmission element () is ring-shaped claim 1 , and the optical waveguide receptacle () is guided through a central opening of said ring shape.4919242082225. The coupling device () as claimed in claim 1 , wherein the centering elements () each have two limbs and a pivot point () located between said two limbs claim 1 , with a first one of the limbs () bearing on an inserted optical waveguide () and a second one of the limbs () being acted upon by the ...

FREE SPACE OPTICAL (FSO) SYSTEM

A detector configuration for use in a free space optical (FSO) node for transmitting and/or receiving optical signals has a plurality of sensors for detecting received optical signals. The system may be configured to modify or alter the light at the plurality of sensor to optimize different system functions. 1. A free space optical node , comprising:a fiber coupled to receiving electronics and transmitting electronics, wherein a terminal end of the transmit/receiver fiber is positioned at a focal plane; anda differential wave front sensor positioned at a second plane;fore optics configured to create defocussed images, overlapping each other at the second plane.2. The free space optical node of claim 1 , wherein the focal plane and the second plane are the same plane.3. The free space optical node of claim 1 , wherein the differential wave front sensor uses symmetric defocused images both inside and outside the focal plane creating mirror overlapping images at the second plane.4. The free space optical node of claim 1 , wherein the fore optics comprise two annular rings with optical power to symmetrically defocus before and after the focal plane and conjugate the over lapping images with a central lens configured to focus a transmit/receive optical beam at the focal plane and onto the transmit/receive fiber.5. The free space optical node of claim 4 , wherein the two annular rings and lens are integrated as part of a unitary lens construction.6. The free space optical node of claim 1 , wherein the wave front sensor surrounds the transmit/receive fiber in the focal plane.7. The free space optical node of claim 4 , wherein the annular rings are sized to match an active area of the differential wave front sensor.8. The free space optical node of claim 1 , wherein the fore optics comprise a diffractive optical element attached to an objective lens.9. The free space optical node of claim 1 , wherein the fore optics comprise a diffractive optical element having every other ...

LIGHT EMITTING ASSEMBLY AND METHOD THEREOF

A mount connects a light emitting device, such as a laser diode assembly, to an optical bench. The mount may include a thermoelectrical module coupled to a sub-element of a heat exchanger extending through an opening formed in the optical bench. The thermoelectrical module acts as a heat sink to draw heat outwardly from the laser diode and cool the same. The heat sink enables the laser diode to transmit heat thereto such that substantially all of the heat generated by the laser diode sinks to the heat exchanger. As such, the laser diode transfers virtually no heat to the optical bench so the optical bench is free of deflections or distortions resultant from the heat generated during generation of the laser beam. 1. A light emitting assembly comprising:a light emitting device having a first end and a second end defining a first direction therebetween, a first side and a second side defining a second direction therebetween, and a top opposite a bottom defining a vertical direction therebetween;an optical bench supporting the light emitting device; anda thermal isolator to reduce an amount of energy from being transferred from the light emitting device to the optical bench during operation of the light emitting device to reduce a likelihood of the optical bench distorting due to temperature gradients thus allowing for a stable output beam of light while maintaining the light emitting device at an operating temperature.2. The light emitting assembly of claim 1 , further comprising:a first thermoelectric module coupled to the light emitting device to heat or cool the light emitting device;a heat exchanger coupled to the first thermoelectric module;a temperature sensor coupled to the light emitting device to sense a temperature at portion of the light emitting device;temperature control logic coupled to the temperature sensor; andwherein the first thermoelectric module is in operative communication with the temperature control logic that instructs the first thermoelectric ...

Sub-micron alignment of a monitoring fiber for optical feedback in an ophthalmic endo-illumination system

An ophthalmic endo-illumination system includes a light source producing a light beam, a beam splitter configured to split the light beam into a first beam provided to a fiber port and a second beam coupled to a monitoring fiber, and an alignment system for aligning the monitoring fiber. The alignment system includes a moveable ferrule housing having the monitoring fiber secured therein and a displacement mechanism for displacing housing in a first direction. The displacement mechanism includes a transfer spring coupled to the housing and a screw actuator having a sloped surface contacting a motion transfer ball such that movement of the screw actuator causes the motion transfer ball to move along the sloped surface, the motion transfer ball contacting the transfer spring such that movement of the motion transfer ball along the sloped surface causes a displacement of the transfer spring, thereby displacing the housing in the first direction.

MULTI-CHANNEL OPTICAL MODULE AND MANUFACTURING METHOD THEREOF

Provided herein is a multi-channel optical module that transmits or receives an optical signal of multi-channels and a manufacturing method thereof, the multi-channel optical module including a multi-channel optical fiber block configured to transmit an optical signal, a submount including an array optical receiving element unit configured to receive the optical signal; and a mirror unit arranged on a metal optical bench and configured to induce the optical signal transmitted from the multi-channel optical fiber block to the array optical receiving element unit, wherein for the inducement of the optical signal to the array optical receiving element unit, the mirror unit is passively aligned with the array optical receiving element unit, and the multi-channel optical fiber block is actively aligned with the mirror unit. 1. A multi-channel optical module comprising:a multi-channel optical fiber block configured to transmit an optical signal;a submount comprising an array optical receiving element unit configured to receive the optical signal; anda mirror unit arranged on a metal optical bench and configured to induce the optical signal transmitted from the multi-channel optical fiber block to the array optical receiving element unit,wherein for the inducement of the optical signal to the array optical receiving element unit, the mirror unit is passively aligned with the array optical receiving element unit, and the multi-channel optical fiber block is actively aligned with the mirror unit.2. The multi-channel optical module according to claim 1 ,wherein the passive alignment is performed by visually confirming a proceeding path of visible light.3. The multi-channel optical module according to claim 1 ,wherein one side of the metal optical bench is depressed towards its inside, anda submount is arranged on the depressed part of the metal optical bench.4. The multi-channel optical module according tofurther comprising a housing bottom where the submount and the metal ...

LENS ASSEMBLIES AND OPTICAL CONNECTORS INCORPORATING THE SAME

Lens assemblies including a substrate and a plurality of mechanically isolated lenses coupled to the substrate are disclosed. The substrate may have a low coefficient of thermal expansion. Optical connectors including the lens assemblies described herein, as well as methods of fabricating a lens assembly, are also disclosed. In one embodiment, a lens assembly includes a substrate having a first surface, and a lens layer including a plurality of lenses. A coefficient of thermal expansion of the substrate is different from a coefficient of thermal expansion of the plurality of lenses. The lens layer is coupled to the first surface of the substrate, and each lens of the plurality of lenses is mechanically isolated from adjacent lenses of the plurality of lenses by gap regions within the lens layer. 1. A lens assembly comprising:a substrate comprising a first surface; and a coefficient of thermal expansion of the substrate is different from a coefficient of thermal expansion of the plurality of lenses;', 'the lens layer is coupled to the first surface of the substrate; and', 'each lens of the plurality of lenses is mechanically isolated from adjacent lenses of the plurality of lenses by gap regions within the lens layer., 'a lens layer comprising a plurality of lenses, wherein2. The lens assembly of claim 1 , wherein the coefficient of thermal expansion of the substrate is less than the coefficient of thermal expansion of the plurality of lenses.3. The lens assembly of claim 1 , wherein the lens layer is made from an Ultem resin.4. The lens assembly of claim 1 , wherein the substrate is glass.5. The lens assembly of claim 1 , wherein portions of lens layer material extend beyond a perimeter of one or more individual lenses of the plurality of lenses.6. The lens assembly of claim 1 , wherein each lens is disposed in a tab extending from a perimeter of the lens layer claim 1 , and the lens layer further comprises a discontinuous web portion.7. The lens assembly of claim 1 ...

METHOD FOR COUPLING AN OPTICAL FIBER TO AN OPTICAL OR OPTOELECTRONIC COMPONENT

A method for optically and mechanically coupling an optical fiber to an optical or optoelectronic component on a substrate is provided. The method comprises: providing an optical fiber comprising a core and a cladding, the core being exposed at an end face of the optical fiber; forming a polymer waveguide core on the end face, the polymer waveguide core extending from the fiber core; bringing the polymer waveguide core in proximity of the optical or optoelectronic component; providing a liquid optical material, the liquid optical material embedding the polymer waveguide core; and curing the liquid optical material, thereby forming a polymer cladding layer encapsulating the polymer waveguide core and mechanically attaching the optical fiber to the optical or optoelectronic component. 1. A method for optically and mechanically coupling an optical fiber to an optical or optoelectronic component on a substrate , the method comprising:providing an optical fiber comprising a core and a cladding, the core being exposed at an end face of the optical fiber;forming a polymer waveguide core on the end face, the polymer waveguide core extending from the fiber core;bringing the polymer waveguide core in proximity of an optical or optoelectronic component;providing a liquid optical material, the liquid optical material embedding the polymer waveguide core; andcuring the liquid optical material, thereby forming a polymer cladding layer encapsulating the polymer waveguide core and mechanically attaching the optical fiber to the optical or optoelectronic component.2. The method according to claim 1 , wherein the liquid optical material is fully embedding the polymer waveguide core.3. The method according to claim 1 , wherein the optical fiber is a single mode optical fiber.4. The method according to claim 1 , wherein the optical or optoelectronic component is a light source.5. The method according to claim 4 , wherein the light source is a Vertical-Cavity Surface-Emitting laser.6. ...

Method for aligning electro-optic device with optical fiber array with optical grating couplers

A method is for aligning an electro-optic device. The method may include initially positioning an optical fiber array adjacent to optical grating couplers, and actively aligning the optical fiber array relative to the optical grating couplers in a yaw direction and a roll direction to determine a yaw and roll alignment at a first operating wavelength. The method may include actively aligning the optical fiber array relative to optical grating couplers in an x direction and a y direction to determine a first x and y alignment at the first operating wavelength, determining a second operating wavelength, and actively aligning the optical fiber array again relative to the optical grating couplers in the x direction and y direction to determine a second x and y alignment at the second operating wavelength.

MICROMECHANICALLY ALIGNED OPTICAL ASSEMBLY

An optical assembly includes a combination of laser sources emitting radiation, focused by a combination of lenses into optical waveguides. The optical waveguide and the laser source are permanently attached to a common carrier, while at least one of the lenses is attached to a holder that is an integral part of the carrier, but is free to move initially. Micromechanical techniques are used to adjust the position of the lens and holder, and then fix the holder it into place permanently using integrated heaters with solder. 126.-. (canceled)27. A method of making an aligned optical assembly , comprising:moving a lever holding a lens to position the lens to focus light from a first waveguide into a second waveguide, the first waveguide and the second waveguide being physically coupled to a substrate, with the lever having a point fixed with respect to the substrate and the lever having a length substantially parallel to an optical axis of the light from the first waveguide to the lens; andfixing position of the lever with the lens focusing light from the first waveguide into the second waveguide.2851.-. (canceled) This application claims the benefit of the filing date of U.S. Provisional Application No. 61/148,551, filed Jan. 30, 2009, entitled “Micromechanically Aligned Optical Assembly” the disclosure of which is incorporated by reference.The invention relates generally to the fiber optic communications, and more particularly to optical packaging techniques used to align laser sources to optical fibers and other types of waveguides.Optical fiber communications has generally replaced electrical links over long distances in the past few decades. In more recent past, optical links are being used at shorter distances to connect servers to switches and for datacenters. In the future it is expected as data rates increase and costs of optics decreases that optics will diffuse into computers and the connections within a machine or between processors will be optical. (see ...

APPARATUS AND METHOD FOR ADJUSTING OPTICAL AXIS FOR OPTICAL WIRELESS COMMUNICATION IN FREE SPACE

Provided are an apparatus and method for adjusting an optical axis. In the apparatus, an iris diaphragm and a quadrant photodiode (QPD) are used to align optical axes of an optical system of the apparatus so that optical transmission efficiency between an optical transmitter and an optical receiver can be increased. Since a hole of the iris diaphragm can be adjusted to be small, a beam larger than a light-receiving area of the QPD can be included in the light-receiving area, and optical axis alignment is facilitated accordingly. When the QPD and the iris diaphragm are applied to the apparatus, it is possible to simultaneously perform data transmission, tracking, and optical axis alignment. An optical fiber end surface and optical axes of lenses arranged in parallel are aligned in the apparatus so that alignment between two terminals can be easy and reception efficiency can be increased. 1. An apparatus for adjusting an optical axis for optical wireless communication in free space , the apparatus comprising:a light output device configured to receive light from a transmitter and output the light;a quadrant photodiode (QPD) configured to receive the light output from the light output device; andan iris diaphragm placed between the light output device and the QPD and configured to adjust a beam size of the light received by the QPD.2. The apparatus of claim 1 , wherein the light output device is an optical fiber connector.3. The apparatus of claim 1 , further comprising a stage configured to change a location of the light output device in a Z direction in which the light output from the light output device travels or a direction opposite to the Z direction.4. The apparatus of claim 3 , wherein the stage is a multi-axis stage which changes the location of the light output device in at least one of X claim 3 , Y claim 3 , pan claim 3 , and tilt directions in addition to the Z direction on the basis of a location at which the light output from the light output device is ...

OPTICAL COUPLING LENS AND OPTICAL FIBER COUPLING CONNECTOR

An optical coupling lens includes three main bodies, the main body further includes a bottom surface, a top surface opposite to the bottom surface, an alignment surface, a first side surface, a second side surface, a third side surface, and a fourth side surface. The alignment surface, the first side surface, the second side surface, the third side surface, and fourth side surface are interconnected between the top surface and the bottom surface, and are connected to each other end to end. The three main bodies connect to each other end to end, and the third side surface of one of the main bodies correctly aligns with the fourth side surface of another of the main bodies. 1. A optical coupling lens , comprising: a bottom surface;', 'a top surface opposite to the bottom surface;', 'a alignment surface;', 'a first side surface;', 'a second side surface;', 'a third side surface; and', 'a fourth side surface;', 'wherein the alignment surface, the first side surface, the second side surface, the third side surface, and fourth side surface are interconnected between the top surface and the bottom surface, and are connected to each other end to end;, 'a main body comprisingwherein the optical coupling lens includes three main bodies connected to each other end to end, the third side surface of one of the main bodies correctly aligns with the fourth side surface of another of the main bodies.2. The optical coupling lens in accordance with claim 1 , wherein the main body includes a first convergent area is positioned on the alignment surface and a second convergent area is positioned on the bottom surface claim 1 , the first convergent area corresponds to the second convergent area.3. The optical coupling lens in accordance with claim 1 , wherein an angle between the top surface and the bottom surface is 45 degrees claim 1 , and an angle between the top surface and the alignment surface is 45 degrees.4. The optical coupling lens in accordance with claim 1 , wherein an angle ...

OPTICAL FIBER MOUNTED PHOTONIC INTEGRATED CIRCUIT DEVICE

The invention relates to an optical fiber mounted photonic integrated circuit device, wherein the tolerance for positioning in terms of the coupling between the single mode optical fibers and the optical waveguides provided on the photonic integrated circuit device is increased. An optical waveguide core group is provided in such a manner where a plurality of optical waveguide cores having a portion that is tapered in the direction of the width within a plane are aligned parallel to each other at intervals that allow for mutual directional coupling and that are narrower than the width of the core of the single mode optical fiber, and the inclined connection end surface of the single mode optical fiber and the upper surface of an end portion of the optical waveguide cores face each other for coupling. 1. An optical fiber mounted photonic integrated circuit device , comprising:an optical integrated circuit device configured to be provided with an optical waveguide core group where a plurality of optical waveguide cores having portions that are tapered in the direction of the width within a plane are aligned on a substrate; anda single mode optical fiber having an inclined connection end surface inclined relative to the propagation of light configured to be optically coupled with the optical waveguide core group, whereinthe optical waveguide cores are aligned parallel to each other at intervals that can allow for mutual directional coupling and that are narrower than the width of the core of the single mode optical fiber, andthe inclined connection end surface of the single mode optical fiber and the upper surface of the end portions of the optical waveguide cores face each other for coupling.2. The optical fiber mounted photonic integrated circuit device according to claim 1 , wherein the optical waveguide cores include one optical waveguide core at the center claim 1 , relative to which the other optical waveguide cores are aligned in a line symmetric manner.3. The ...

SELF-ALIGNING DEFLECTOR DEVICE FOR TRANSMISSION LINE OFFSET CORRECTION

Disclosed is a self-aligning mirror device for transmission line offset correction. The disclosed self-aligning mechanism automatically adjusts deflectors to couple radiation between two or more offset waveguides or optical fibers. 1. A self-aligning device which automatically adjusts deflectors present in the device , in order to couple radiation between two or more offset or non-collinear locations or points , the device comprising:a first base platform and a second base platform;a first lower control arm connected to each of the first base platform and the second base platform via pivots; 'wherein the first lower control arm, the second lower control arm and the pivots upon which they are mounted define a first parallelogram;', 'a second lower control arm connected to each of the first base platform and the second base platform via pivots;'}a first moveable waveguide deflector mount mounted via a centrally located pivot to the first base platform;a second moveable waveguide deflector mount mounted via a centrally located pivot to the second base platform;a first upper control arm mounted via the said centrally located pivots; 'wherein the first upper control arm, the second upper control arm and the pivots upon which they are mounted define a second parallelogram;', 'a second upper control arm mounted via pivots to the first moveable waveguide deflector mount and the second moveable waveguide deflector mount;'}a control rod extending outwardly from the first waveguide deflector mount and which is perpendicular to the centrally located pivot of the first waveguide deflector mount, a portion of the control rod in sliding engagement with a sleeved pivot, the sleeved pivot mounted in a first equalizer arm and in a second equalizer arm,the first equalizer arm mounted via a pivot to a part of the first base platform; 'wherein the distance from the sleeved pivot and the further pivot of the first equalizer arm is equal to the distance from the sleeved pivot and the ...

MICROMECHANICALLY ALIGNED OPTICAL ASSEMBLY

An optical assembly includes a combination of laser sources emitting radiation, focused by a combination of lenses into optical waveguides. The optical waveguide and the laser source are permanently attached to a common carrier, while at least one of the lenses is attached to a holder that is an integral part of the carrier, but is free to move initially. Micromechanical techniques are used to adjust the position of the lens and holder, and then fix the holder it into place permanently using integrated heaters with solder. 1. A micromechanically aligned optical assembly , comprising:a first waveguide on a substrate;a second waveguide on the substrate;a lens for focusing light of the first waveguide into the second waveguide; anda lever holding the lens, the lever having at least one point fixed with respect to the substrate, the lever holding the lens at a position such that movement of the lever will result in demagnified movement of the lens in at least directions other than an optical axis of light of the first waveguide, the lever moveable so as to position the lens to focus light of the first waveguide into the second waveguide.251-. (canceled) This application claims the benefit of the filing date of U.S. Provisional Application No. 61/148,551, filed Jan. 30, 2009, entitled “Micromechanically Aligned Optical Assembly” the disclosure of which is incorporated by reference.The invention relates generally to the fiber optic communications, and more particularly to optical packaging techniques used to align laser sources to optical fibers and other types of waveguides.Optical fiber communications has generally replaced electrical links over long distances in the past few decades. In more recent past, optical links are being used at shorter distances to connect servers to switches and for datacenters. In the future it is expected as data rates increase and costs of optics decreases that optics will diffuse into computers and the connections within a machine or ...

Optical head and measuring apparatus

An optical head includes a first module that concentrates pump light and Stokes light on a first point; a second module that collects CARS light from the first point; and a third module that supports the first module and the second module. The first module includes: a high rigidity first frame; and a first optical system including a plurality of optical elements fixed to the first frame. The second module includes: a high rigidity second frame; and a second optical system including a plurality of optical elements fixed to the second frame. The third module includes a high rigidity third frame that fixes the first frame and the second frame.

OPTICAL CONNECTOR AND METHOD OF COUPLING OPTICAL CONNECTOR

An optical connector includes a housing configured to accommodate an optical fiber; two or more pins configured to correspondingly project distal ends of the two or more pins from a surface of the housing on a side of an end surface of the optical fiber and to correspondingly have male threads; and a pin adjuster configured to adjust an amount of projection of the two or more pins by rotating the male threads. 1. An optical connector , comprising:a housing configured to accommodate an optical fiber;two or more pins configured to correspondingly project distal ends of the two or more pins from a surface of the housing on a side of an end surface of the optical fiber and to correspondingly include male threads; anda pin adjuster configured to adjust an amount of projection of the two or more pins by rotating the male threads.2. The optical connector according to claim 1 ,wherein the pin adjuster is configured to include levers correspondingly fixed to the two or more pins.3. The optical connector according to claim 2 ,wherein the levers are opposite sides one another via the housing.4. A method of coupling an optical connector that includes a housing configured to accommodate an optical fiber claim 2 , two or more pins configured to correspondingly project distal ends of the two or more pins from a surface of the housing on a side of an end surface of the optical fiber and to correspondingly have male threads claim 2 , and a pin adjuster configured to adjust an amount of projection of the two or more pins by rotating the male threads claim 2 , the method comprising:coupling the optical connector to a lens block that includes a laser diode and/or a photo diode;verifying optical power at the laser diode and/or the photo diode; andadjusting the amount of projection of two or more pins using the pin adjuster in accordance with a result of the verifying. This application is based upon and claims the benefit of priority of the prior Japanese Patent Application No. 2015- ...

DEVICE MOUNTING APPARATUS AND DEVICE MOUNTING METHOD

A mounting apparatus for mounting a device onto a substrate includes a table that holds the substrate, a mounting head that carries a device to be mounted on the substrate, a camera that is movable to a position between the table and the mounting head and includes a first imager that captures an image of the substrate on the table and a second imager that captures images of the device carried by the mounting head, a third imager that captures an image of a first device mounted on the substrate, and a controller that controls the mounting head to position a second device to be mounted on the substrate and being carried by the mounting head based on a position of the first device that is determined based on the image captured by the third imager. 1. A mounting apparatus for mounting a device onto a substrate , the mounting apparatus comprising:a table that holds the substrate;a mounting head that carries a device to be mounted on the substrate;a camera that is movable to a position between the table and the mounting head, the camera including a first imager that captures an image of the substrate on the table and a second imager that captures images of the device carried by the mounting head;a third imager that captures an image of a first device mounted on the substrate; anda controller that controls the mounting head to position a second device to be mounted on the substrate and being carried by the mounting head based on a position of the first device that is determined based on the image captured by the third imager.2. The mounting apparatus as claimed in claim 1 , wherein the third imager is disposed in the table.3. The mounting apparatus as claimed in claim 1 , whereinthe table includes a table body and a transparent board disposed on the table body; andthe third imager is disposed on the table body under the transparent board.4. The mounting apparatus as claimed in claim 1 , whereinthe table is made of a transparent material and includes a mirror; andthe third ...

Fiber coupling device for coupling of at least one optical fiber

A fiber coupling device for coupling of at least one optical fiber is disclosed. The fiber coupling device comprises at least one opto-electronic and/or photonic chip comprising at least one opto-electronic and/or photonic integrated element capable of emitting and/or detecting electromagnetic radiation. The fiber coupling device is configured for coupling the at least one opto-electronic and/or photonic integrated element to at least one fiber end-piece of an optical fiber having a reflection surface and a convex exit and/or entrance surface. The fiber coupling device further comprises a fiber end-piece alignment substrate configured for locally contacting and thereby supporting at least one convex exit and/or entrance surface of at least one fiber end-piece in an aligned position relative to the at least one opto-electronic and/or photonic integrated element.

MULTI-CHANNEL TRANSMITTER OPTICAL SUBASSEMBLY (TOSA) WITH AN OPTICAL COUPLING RECEPTACLE PROVIDING AN OFF-CENTER FIBER

A multi-channel transmitter optical subassembly (TOSA) with an off-center fiber in an optical coupling is disclosed, and can provide passive compensation for beam displacement introduced by optical isolators. The optical coupling receptacle can include an optical isolator configured to receive a focused light beam from a focus lens within the TOSA. The optical coupling receptacle may be offset such that a center line of the focused light beam entering the optical isolator is offset from a center line of a fiber within optical coupling receptacle. Thus the optical isolator receives the focused light beam from the focus lens and introduces beam displacement such that an optical signal is launched generally along a center line of the fiber. Thus the expected beam displacement introduced by the optical isolator is eliminated or otherwise mitigated by the offset between a center line of the fiber and a center position of the focus lens. 1. A multi-channel transmitter optical subassembly (TOSA) including a plurality of lasers , the TOSA comprising:a housing including a plurality of sidewalls, the plurality of sidewalls forming a compartment defined by an inner surface therein, the compartment including a light path, the light path being optically coupled to each of the plurality of lasers and extending laterally from a first end to a second end of the housing along a first major axis;a focus lens disposed at the second end of the housing configured to receive at least a portion of light emitted by the plurality of lasers via the light path and to output a focused light beam; andan optical coupling receptacle fixedly attached to the second end of the housing and configured to couple the light path to a fiber, the optical coupling receptacle including an optical isolator configured to receive the focused light beam and launch the focused light beam in a forward direction into the fiber while reducing backreflection,wherein a center line of the fiber is offset from a center ...

ALIGNING AND DIRECTLY OPTICALLY COUPLING PHOTODETECTORS TO OPTICAL DEMULTIPLEXER OUTPUTS IN A MULTICHANNEL RECEIVER OPTICAL SUBASSEMBLY

A multi-channel receiver optical subassembly (ROSA) such as an arrayed waveguide grating (AWG), with outputs directly optically coupled to respective photodetectors such as photodiodes. In one embodiment, an AWG may be configured such that optical components of the AWG do not interfere with direct optical coupling, and the wire bonding points on the photodiodes may also be configured such that wire bonding does not interfere with direct optical coupling. The photodetectors may also be mounted on a photodetector mounting bar with a pitch sufficiently spaced to allow connection to floating grounds. A passive alignment technique may be used to determine the mounting locations on the photodetector mounting bar such that the photodetectors are aligned with the optical outputs. 1. A method of aligning photodetectors to optical outputs of an optical demultiplexer in a multi-channel receiver optical subassembly (ROSA) , the method comprising:mounting an optical demultiplexer on a ROSA housing base portion, wherein the optical demultiplexer includes alignment markings indicating locations of optical outputs of the optical demultiplexer along a first axis, wherein the optical demultiplexer is spaced from a photodetector mounting bar;measuring at least first and second distances from the ROSA housing base portion to the optical demultiplexer at respective first and second sides of the optical demultiplexer;displaying an alignment line on the photodetector mounting bar for indicating a photodetector position along a second axis, the alignment line extending between first and second points on the photodetector mounting bar corresponding to the first and second distances measured at the first and second sides of the optical demultiplexer; andmounting photodetectors on the photodector mounting bar, wherein each of the photodectors is aligned along the first axis with the one of the alignment markings and aligned along the second axis with the alignment line such that the ...

METHOD AND SYSTEM HAVING A TRANSIMPEDANCE AMPLIFIER CIRCUIT WITH A DIFFERENTIAL CURRENT MONITORING DEVICE FOR MONITORING OPTICAL RECEIVER CIRCUIT (As amended)

A method for monitoring a circuit. The method may include obtaining, using a total current monitoring device, a measurement of a current transmitted through a cathode in a photodetector circuit. The current may include a first photocurrent for a first photodetector and a second photocurrent for a second photodetector. The method may include obtaining, using a differential current monitoring device in a transimpedance amplifier circuit, a differential voltage proportional to a current difference between the first photocurrent and the second photocurrent. The transimpedance amplifier circuit may generate, using the first photocurrent and the second photocurrent, a first output signal and a second output signal. The method may include determining, using the differential voltage and the measurement of the current transmitted through the cathode, an amount of the first photocurrent and an amount of the second photocurrent. 1. A system , comprising:a photodetector circuit comprising a first photodetector, a second photodetector, and a cathode coupled to the first photodetector and the second photodetector;a total current monitoring device configured to measure an amount of current transmitted through the cathode; and a first input terminal configured to obtain a first photocurrent from the first photodetector,', 'a second input terminal configured to obtain a second photocurrent from the second photodetector,', 'an amplifier configured to output, using the first photocurrent and the second photocurrent, a first output signal and a second output signal, and', 'a differential current monitoring device configured to determine a differential voltage proportional to a current difference between the first photocurrent and the second photocurrent., 'a transimpedance amplifier circuit coupled to the photodetector circuit and the total current monitoring device, wherein the transimpedance amplifier circuit comprises2. The system of claim 1 ,wherein the total current monitoring ...

LENS-LESS LASER MICRO-PACKAGE ASSEMBLY

An optoelectronic assembly may include a photonic integrated circuit (PIC) with a top surface and a laser with a top surface and a bottom surface. The optoelectronic assembly may also include a housing configured to cooperate with the PIC to one or both of house and support one or more components. The housing may include a PIC mount including a first surface to interface with the top surface of the PIC, and a laser mount including a second surface to interface with the top or bottom surface of the laser. The first surface and the second surface may be parallel to each other. 1. An optoelectronic assembly comprising:a photonic integrated circuit (PIC) with a top surface;a laser with a top surface and a bottom surface; and a PIC mount including a first surface to interface with the top surface of the PIC; and', 'a laser mount including a second surface to interface with the top or bottom surface of the laser,, 'a housing configured to cooperate with the PIC to one or both of house and support one or more components, the housing includingwherein the first surface and the second surface are parallel to each other.2. The optoelectronic assembly of claim 1 , further comprising a receptacle defined in the housing claim 1 , the receptacle partially bounded by a side wall connected to the laser mount.3. The optoelectronic assembly of claim 2 , further comprising:an optical isolator with a top surface; andan isolator mount of the housing including a third surface to interface with the top surface of the optical isolator, the third surface parallel to both the first surface and the second surface.4. The optoelectronic assembly of claim 3 , wherein:the receptacle is partially bounded by both of the second surface and the third surface;the one or more housed components include both the laser and the optical isolator positioned within the receptacle of the housing;at least a portion of the top surface of the laser is mounted to the second surface; andat least a portion of the top ...

Ultra-small form factor optical connectors used as part of a reconfigurable outer housing

An optical connector holding one or more optical ferrule assembly is provided. The optical connector includes an outer body, an inner front body accommodating the one or more optical ferrule assembly, ferrule springs for urging the optical ferrules towards a mating receptacle, and a back body for supporting the ferrule springs. The outer body and the inner front body are configured such that four optical ferrule assembly are accommodated in a small form-factor pluggable (SFP) transceiver footprint or eight optical ferrule assembly are accommodated in a quad small form-factor pluggable (QSFP) transceiver footprint. A receptacle can hold one or more connector inner bodies forming a single boot for all the optical fibers of the inner bodies.

OPTICAL COUPLING ASSEMBLY

An optical system includes a base with a fiber retention and alignment section having at least one alignment member. An optical coupling section of the base has an optical coupling block and includes at least one optical coupling element with an ellipsoidal reflecting surface defining first and second focal points. First and second focal surface are generally aligned with the first and second focal points, respectively. An optical path extends through each optical coupling element and is aligned with one of the alignment members. An optical fiber is positioned within each alignment member adjacent a first focal surface and an optical component is optically aligned with each optical fiber and positioned adjacent one of the second focal surfaces. 1. An optical system comprising:a base having a fiber retention and alignment section and an optical coupling section, the fiber retention and alignment section having a plurality of alignment members, each alignment member being configured to receive an optical fiber therein, the optical coupling section having an optical coupling block and including a plurality of optical coupling elements, each optical coupling element having an ellipsoidal reflecting surface defining a first focal point and a second focal point, a first focal surface being generally aligned with the first focal point, a second focal surface being generally aligned with the second focal point, the first focal surface and the second focal surface being spaced apart and at an angle to each other, and an optical path extending through each optical coupling element from the first focal point to the reflecting surface and to the second focal point, each alignment member being aligned with the first focal point of one of the optical coupling elements;a plurality of optical fibers, each optical fiber being positioned within one of the alignment members and adjacent one of the first focal surfaces; anda plurality of optical components, each optical component being ...

Edge construction on optical devices

A method of forming an optical device includes forming a waveguide mask on a device precursor. The device precursor includes a waveguide positioned on a base. The method also includes forming a facet mask on the device precursor such that at least a portion of the waveguide mask is between the facet mask and the base. The method also includes removing a portion of the base while the facet mask protects a facet of the waveguide. The portion of the base that is removed can be removed such that a recess is defined in the base and/or a shelf is defined on the device precursor. A light source such as an optical fiber or laser can be received in the recess and/or positioned over the shelf such that the light source is optically aligned with the facet of the waveguide.

OPTICAL CONNECTOR AND METHOD FOR PRODUCING OPTICAL CONNECTOR

An optical connector includes an optically-transparent substrate, a first optical component mounted on a first surface of the substrate, and a second optical component mounted on a second surface of the substrate. The substrate includes a marker that is formed on one of the first surface and the second surface and recognizable from the other one of the first surface and the second surface. 1. An optical connector , comprising:an optically-transparent substrate;a first optical component mounted on a first surface of the substrate; anda second optical component mounted on a second surface of the substrate,wherein the substrate includes a marker that is formed on one of the first surface and the second surface and recognizable from another one of the first surface and the second surface.2. The optical connector as claimed in claim 1 , further comprising:a metal film formed on the substrate,wherein the marker is formed in the metal film.3. The optical connector as claimed in claim 2 , whereinan opening having a width that is wider than a width of the marker is formed in the substrate at a position corresponding to the marker.4. The optical connector as claimed in claim 1 , whereinthe first optical component is an optical device;the second optical component is an optical waveguide; andthe optical device and the optical waveguide are optically connected to each other via a light passage formed in the substrate.5. A method for producing an optical connector claim 1 , the method comprising:forming a marker and a positioning part in a first surface of an optically-transparent substrate by using a same mask;forming a light passage in the substrate with reference to the positioning part; andmounting a first optical component on the first surface of the substrate and mounting a second optical component on a second surface of the substrate with reference to the marker such that the first optical component and the second optical component are optically connected to each other via ...

COUPLING MULTI-CHANNEL LASER TO MULTICORE FIBER

Aspects described herein include a method including arranging a laser die on a substrate. The laser die has multiple channels that are arranged with a first planar arrangement proximate to a facet of the laser die. The substrate is arranged on a housing component. The method further includes aligning a single lens to the facet, and aligning a multicore optical fiber to the laser die through the single lens. The multicore optical fiber has a plurality of optical cores that are arranged with a second planar arrangement. Aligning the multicore optical fiber to the laser die includes attaching the multicore optical fiber to the housing component and rotationally aligning the multicore optical fiber to align the second planar arrangement with the first planar arrangement. 1. A method comprising:arranging a laser die on a substrate, wherein the laser die has multiple channels that are arranged with a first planar arrangement proximate to a facet of the laser die, wherein the substrate is arranged on a housing component;aligning a single lens to the facet; and{'claim-text': ['attaching the multicore optical fiber to the housing component; and', 'rotationally aligning the multicore optical fiber to align the second planar arrangement with the first planar arrangement.'], '#text': 'aligning a multicore optical fiber to the laser die through the single lens, wherein the multicore optical fiber has a plurality of optical cores that are arranged with a second planar arrangement, and wherein aligning the multicore optical fiber to the laser die comprises:'}2. The method of claim 1 ,wherein aligning the multicore optical fiber to the laser die optically couples the laser die to the multicore optical fiber through the single lens and a facet of the multicore optical fiber.3. The method of claim 1 ,wherein the housing component is a base, andwherein the single lens is included in a cap configured to attach to the base.4. The method of claim 1 , wherein aligning the multicore ...

Semiconductor laser module and method of manufacturing the same

There is provided a semiconductor laser module with a semiconductor laser chip, in which a first optical waveguide is formed, flip-chip mounted on a silicon substrate with a mesa structure in which a second optical waveguide is formed. The optical axes of the first optical waveguide and the second optical waveguide make a specified angle with lines perpendicular to the respective cleavage planes. Alignment marks are provided on the silicon substrate and the semiconductor laser chip at at least two positioning locations to enable mounting of the semiconductor laser chip by passive alignment. The mounting position is decided so that laser light emitted in a direction of the optical axis of the first optical waveguide and refracted at the emission surface, is refracted at the incident surface of the second optical waveguide and becomes incident in the direction of the optical axis of the second optical waveguide.

OPTICAL TRANSMISSION MODULE

Embodiments relate to a semiconductor device, an optical transmission module, and an optical transmission apparatus. An optical transmission module according to an embodiment includes a board; a submount disposed on a first surface of the board; a vertical cavity surface emitting laser (VCSEL) semiconductor device disposed on a first surface of the submount; and a module housing including a coupling unit and a body, the coupling unit spaced apart from the vertical cavity surface emitting laser (VCSEL) semiconductor device and facing the first surface of the submount, the body extending from the coupling unit toward the first surface of the board and disposed around the submount and the vertical cavity surface emitting laser (VCSEL) semiconductor device. 1. An optical transmission module , comprising:a board;a submount disposed on a first surface of the board;a vertical cavity surface emitting laser (VCSEL) semiconductor device disposed on a first surface of the submount; anda module housing comprising a coupling unit and a body, the coupling unit spaced apart from the vertical cavity surface emitting laser (VCSEL) semiconductor device and facing the first surface of the submount, the body extending from the coupling unit toward the first surface of the board and disposed around the submount and the vertical cavity surface emitting laser (VCSEL) semiconductor device,wherein the coupling unit of the module housing comprises a first opening, a through hole, and a second opening, the first opening facing and being aligned with a beam emitting surface of the vertical cavity surface emitting laser (VCSEL) semiconductor device and having a diameter larger than a diameter of the beam emitting surface, the through hole extending from the first opening and passing through the coupling unit, and the second opening being connected to the through hole and provided at an outer surface of the coupling unit, andwherein the body of the module housing is coupled to the first surface ...

Method And System For Optical Alignment To A Silicon Photonically-Enabled Integrated Circuit

Methods and systems for optical alignment to a silicon photonically-enabled integrated circuit may include aligning an optical assembly to a photonics die comprising a transceiver by, at least, communicating optical signals from the optical assembly into a plurality of grating couplers in the photonics die, communicating the one or more optical signals from the plurality of grating couplers to optical taps, with each tap having a first output coupled to the transceiver and a second output coupled to a corresponding output grating coupler, and monitoring an output optical signal communicated out of said photonic chip via said output grating couplers. The monitored output optical signal may be maximized by adjusting a position of the optical assembly. The optical assembly may include an optical source assembly comprising one or more lasers or the optical assembly may comprise a fiber array. Such a fiber array may include single mode optical fibers. 1. A method for communication , the method comprising: communicating one or more optical signals from said optical assembly into a plurality of grating couplers in said photonics die;', 'communicating said one or more optical signals from said plurality of grating couplers to optical taps, each tap having a first output coupled to said transceiver and a second output coupled to a corresponding output grating coupler; and', 'monitoring, external to said photonics die, an output optical signal communicated out of said photonics die via said output grating couplers., 'aligning an optical assembly to a photonics die comprising a transceiver by, at least2. The method according to claim 1 , comprising maximizing the monitored output optical signal by adjusting a position of the optical assembly.3. The method according to claim 1 , wherein the optical assembly comprises an optical source assembly comprising one or more lasers.4. The method according to claim 4 , wherein the optical assembly comprises a fiber array.5. The method ...

METHOD FOR MANUFACTURING OPTICAL MODULE, APPARATUS FOR MANUFACTURING OPTICAL MODULE, AND OPTICAL MODULE

A method for manufacturing an optical module is disclosed. The method includes providing an optical coupling member and an optical device, arranging the optical coupling member and the optical device to face each other, and adjusting a position of at least one of the optical coupling member and the optical device. The optical coupling member includes a main body and a first electrode provided on a first face of the main body. The main body at least partially includes a transparent portion to visible light. The optical device includes a surface, a second electrode, and an optical region. The second electrode and the optical region are provided on the surface. The position is adjusted so that a positional relation between the first face and the surface is within a predetermined range, while recognizing at least part of the first face and the surface through the transparent portion from a second face opposite to the first face. 1: A method for manufacturing an optical module , comprising:providing an optical coupling member comprising a main body and a first electrode provided on a first face of the main body, wherein the main body at least partially includes a transparent portion to visible light;providing an optical device comprising a surface, a second electrode, and an optical region having at least one of a light-emitting region and a light-receiving region, wherein the second electrode and the optical region are provided on the surface;arranging the optical coupling member and the optical device so as to face the first face and the surface with each other;adjusting a position of at least one of the optical coupling member and the optical device so that a positional relation between the first face and the surface is within a predetermined range, while recognizing at least part of the first face and the surface through the transparent portion from a second face opposite to the first face in the main body; andjoining the second electrode to the first electrode.2: ...

INJECTION OF A BEAM OF RADIATION INTO AN OPTICAL FIBRE

A system for injection of a useful radiation beam into an optical fiber is disclosed including a secondary radiation source, which is connected to the optical fiber such that a secondary radiation beam leaves by an end of the optical fiber. A variable deviation device, for deviating the useful radiation beam towards the end of the optical fiber, an optical detection assembly, identifying the direction of the secondary radiation beam, and an injection controller, for controlling the variable deviation device depending on the direction of the secondary radiation beam. The secondary radiation may be made up by an amplified spontaneous emission from a laser amplifier which is used for amplifying the useful radiation. The injection system may advantageously be used in a terminal for optical telecommunication by laser signals.

OPTICAL CABLE WITH A CLADDING LIGHT SENSOR AND ASSOCIATED ADJUSTMENT, TEST AND MONITORING APPARATUSES

An optical cable includes an optical fiber having a fiber core and a fiber cladding, and an output coupling plug at an output coupling-side fiber end of the optical fiber. The output coupling plug comprises at least one cladding light sensor arranged behind the output coupling-side fiber end and configured to measure cladding light that exits frontally from the fiber cladding at the output coupling-side fiber end. 1. An optical cable , comprising:an optical fiber having a fiber core and a fiber cladding, and an output coupling plug at an output coupling-side fiber end of the optical fiber,wherein the output coupling plug comprises at least one cladding light sensor arranged behind the output coupling-side fiber end and configured to measure cladding light that exits frontally from the fiber cladding at the output coupling-side fiber end.2. The optical cable as claimed in claim 1 , wherein the output coupling plug further comprises deflection optics arranged between the output coupling-side fiber end and the cladding light sensor claim 1 , which direct at least a part of the exited cladding light onto the at least one cladding light sensor.3. The optical cable as claimed in claim 1 , wherein the optical cable claim 1 , at the output coupling plug and/or at an input coupling plug at an input coupling-side fiber end claim 1 , includes a data memory configured to store cable-specific data.4. The optical cable as claimed in claim 1 , wherein the output coupling plug includes at least one scattered light sensor configured to measure scattered light scattered at an output coupling-side fiber end face claim 1 , and/orwherein an input coupling plug provided at the input coupling-side fiber end includes at least one scattered light sensor configured to measure scattered light scattered at an input coupling-side fiber end face.5. An adjustment apparatus claim 1 , comprising:an optical cable having an optical fiber that includes a fiber core and a fiber cladding,at least one ...

ACTIVE ALIGNMENT OF OPTICAL FIBER TO CHIP USING LIQUID CRYSTALS

Devices and systems to perform optical alignment by using one or more liquid crystal layers to actively steer a light beam from an optical fiber to an optical waveguide integrated on a chip. An on-chip feedback mechanism can steer the beam between the fiber and a grating based waveguide to minimize the insertion loss of the system. 119-. (canceled)20. A method of manufacturing a photonic chip assembly , the method comprising:providing a chip having an optical waveguide integrated thereon;providing an optical fiber configured to provide a light beam therefrom;disposing a switchable beam steering device comprising a liquid crystal polarization grating between the optical fiber and the optical waveguide such that the switchable beam steering device is configured to receive the light beam from the optical fiber and to steer the light beam into the optical waveguide.21. The method of wherein the optical waveguide includes a light coupling grating claim 20 , and wherein the liquid crystal polarization grating is configured to actively steer the light beam from the optical fiber to the light coupling grating of the optical waveguide.22. The method of wherein disposing the switchable beam steering device between the optical fiber and the optical waveguide comprises bonding the liquid crystal polarization grating to the optical waveguide.23. The method of claim 20 , further comprising coupling a voltage source to the switchable beam steering device.24. The method of wherein the liquid crystal polarization grating is configured to steer a circularly polarized beam into one of three diffraction orders.25. The method of wherein the switchable beam steering device further comprises a first waveplate bonded to the liquid crystal polarization grating and configured to receive and selectively change a polarization state of the light beam.26. The method of wherein the first waveplate is a half waveplate made of birefringent liquid crystal.27. The method of wherein the switchable ...

MULTI-CHANNEL OPTICAL SUBASSEMBLY STRUCTURE AND METHOD OF PACKAGING THE STRUCTURE

Provided are a multi-channel optical subassembly structure allowing an optical unit including a light source photodetector chip to be fixed through an alignment jig after active alignment is performed on an individual or single light source photodetector chip by using the alignment jig capable of electrical coupling and one electrode pad and the other electrode pad of a thermoelectric element, which are wire-bonded, capable of performing active alignment for each light source photodetector chip, that is, for each channel, capable of replacing the optical unit and the alignment jig when a problem occurs in some or all channels, capable of improving optical coupling efficiency for each channel, and capable of addressing a time-consuming and economically expensive work in which an optical subassembly is discarded when some channels fail, and a method of packaging the structure. 1. A multi-channel optical subassembly structure based on a transistor outline (TO) metal-can package , the multi-channel optical subassembly structure comprising:a module assembly mounted on a module housing of the multi-channel optical subassembly structure and having a plurality of lead pins arranged on a TO-stem;a thermoelectric element arranged on an upper surface of the TO-stem with respect to a position between the lead pins and having one electrode pad and the other electrode pad formed on an upper surface thereof;a plurality of submounts having a plurality of light source photodetector chips which are multi-channel light sources and photocouplers of the multi-channel optical subassembly structure each mounted by an upper electrode pad thereof, respectively, and arranged on the upper surface of the thermoelectric element so as not to be in contact with the one electrode pad and the other electrode pad; andan alignment jig configured to electrically connect the upper electrode pad of each of the submounts to the one electrode pad or the other electrode pad of the thermoelectric element so ...

Cleaving Optical Fibers

Systems for holding optical fibers in a predefined orientation and cleaving the optical fibers are shown. In one embodiment, the system comprises a substrate structure with a groove along the top surface of the substrate. The groove extends from the substrate front edge in a direction that is parallel to the orientation of an optical fiber and is dimensioned to receive a portion of a bare optical fiber. The substrate structure also comprises a transverse structure on the top surface, which crosses the groove at an angle. The transverse structure receives ultraviolet light (UV) curable material, which secures the end of the bare optical fiber within the groove. Securing the bare optical fiber allows for proper tension to be applied during cleaving. 1. A system for holding optical fibers in a predefined orientation and cleaving the optical fibers , the system comprising:(a) a base structure of a conventional optical fiber cleaving apparatus, the base structure comprising a base hole; (b1) a sub-mount hole for aligning with the base hole;', (b2A) a recess front edge; and', '(b2B) a recess rear wall;, '(b2) a recess comprising, '(b3) a sub-mount stop located at the recess front edge; and', '(b4) a plunger hole located in the recess rear wall;, '(b) a sub-mount structure for mounting to the base structure, the sub-mount structure comprising (c1) a substrate top surface;', '(c2) a substrate front edge;', '(c3) a substrate bottom structure for abutting against the sub-mount stop;', '(c4) a substrate rear;', '(c5) a groove extending along the substrate top surface, the groove extending from the substrate front edge in a direction parallel to the predefined orientation, the groove being dimensioned to receive a portion of a bare optical fiber; and', '(c6) a transverse structure on the substrate top surface, the transverse structure crossing the groove at an angle, the transverse structure for receiving ultra-violet (UV) light-curable material, the UV-curable material for ...

Optical Module Structure and Fabrication Method for Optical Module Structure

An optical module structure includes a substrate, an optical chip and an electrical chip that are fixedly coupled to the substrate. The optical module structure further includes an optical coupling structure fixedly coupled to the optical chip. A side of the optical chip that faces the substrate has a first reference plane, and at least one first alignment mark is provided on the first reference plane. The optical coupling structure has a second reference plane, and at least one second alignment mark is provided on the second reference plane. The first reference plane is aligned with the second reference plane, and the first alignment mark is aligned with the second alignment mark. 1. An optical module structure , comprising:a substrate;an optical chip fixedly coupled to the substrate wherein a first side of the optical chip facing the substrate comprises a first reference plane that comprises a first alignment mark;an electrical chip fixedly coupled to the substrate; andan optical coupling structure fixedly coupled to the optical chip, wherein the optical coupling structure comprises a second reference plane that is aligned with the first reference plane and that comprises a second alignment mark that is aligned with the first alignment mark.2. The optical module structure of claim 1 , wherein the optical coupling structure further comprises a first vertical plane perpendicular to the second reference plane claim 1 , wherein the optical chip is optically coupled to the optical coupling structure claim 1 , and wherein the first vertical plane is aligned with an end face on a second side of the optical chip facing the optical coupling structure.3. The optical module structure of claim 2 , wherein the optical coupling structure and the optical chip are coupled using evanescent wave coupling claim 2 , edge coupling claim 2 , or vertical coupling.4. The optical module structure of claim 3 , wherein the optical coupling structure and the optical chip are coupled using ...

MOUNTING COMPONENT FOR OPTICAL FIBER, OPTICAL MODULE, AND OPTICAL MODULE MANUFACTURING METHOD

Provided is a mounting component for an optical fiber that allows a laser device and an optical fiber to be aligned with higher precision while providing protection for the laser device mounted on a substrate. The a mounting component is a component formed from silicon for optically coupling a laser device to an optical fiber by being bonded to a mounting substrate on which the laser device is mounted, and includes a groove portion for fixedly holding the optical fiber so that a core of the optical fiber is positioned at a predetermined depth with respect to a bonding surface to be bonded to the mounting substrate, and a recessed portion, formed continuous with the groove portion, for accommodating the laser device, wherein a thickness of the mounting component, measured in a direction perpendicular to the bonding surface, is chosen so that a position of the laser device can be detected using an infrared transmission image when the laser device is accommodated in the recessed portion by placing the bonding surface in contact with the mounting substrate. 1. A mounting component formed from silicon for optically coupling a laser device to an optical fiber by being bonded to a mounting substrate on which the laser device is mounted , comprising:a groove portion for fixedly holding the optical fiber so that a core of the optical fiber is positioned at a predetermined depth with respect to a bonding surface to be bonded to the mounting substrate; anda recessed portion, formed continuous with the groove portion, for accommodating the laser device, whereina thickness of the mounting component, measured in a direction perpendicular to the bonding surface, is chosen so that a position of the laser device can be detected using an infrared transmission image when the laser device is accommodated in the recessed portion by placing the bonding surface in contact with the mounting substrate.2. The mounting component according to claim 1 , whereinthe mounting component contains a ...

Lens device

A method of aligning a lens device includes: coupling an optical free-space beam that propagates along a first direction into an access port of an optoelectronic component, the first, a second, and a third direction being mutually perpendicular; positioning the lens device inside a free-space beam path, the lens device having an adjustment lens configured to focus radiation in only the second direction; moving the lens device along the second direction to align the adjustment lens with respect to the access port at an initial aligned position at which the optical free-space beam is one-dimensionally focused by the adjustment lens and at least a portion of a resulting one-dimensionally focused beam is input into the access port; and starting from the initial aligned position, moving the lens device in the second and/or third directions to position an optical element of the lens device in front of the access port.

STRESS-TUNED PLANAR LIGHTWAVE CIRCUIT AND METHOD THEREFOR

A planar lightwave circuit that can be optically coupled with an external device with low optical loss, while also providing low-power functional control over an optical signal propagating through the PLC is disclosed. The PLC includes a high-contrast waveguide region in a stress-inducing (SI) phase shifter is formed such that it can control the phase of the optical signal. The high-contrast-waveguide region is optically coupled to a low-contrast-waveguide region via a spotsize converter, thereby enabling optical coupling to off-chip devices with low optical loss. Formation of the SI phase shifter in a high-contrast-waveguide region enables improved responsivity and phase control, reduced voltage, and smaller required chip real estate. As a result, the present invention enables lower-cost and higher-performance PLC systems. 1. A planar lightwave circuit (PLC) , the PLC including: (a) a first layer comprising a first material, the first layer having a first thickness;', '(b) a second layer comprising the first material, the second layer having a second thickness that is greater than the first thickness; and', '(c) a third layer that is between the first layer and the second layer, the third layer comprising a second material, wherein the third layer has a third thickness that is less than or equal to 500 nm;, '(1) a high-contrast-waveguide region comprising a first waveguide portion that includes a multi-layer core that collectively supports propagation of a light signal having a first mode-field profile, the multi-layer core having;'}(2) a low-contrast waveguide region comprising a second waveguide portion that includes a single-layer core that collectively supports propagation of a light signal having a second mode-field profile that is larger than the first mode-field profile, the single-layer core comprising the first layer;(3) a spotsize converter that optically couples the first waveguide portion and the second waveguide portion; and(4) a phase shifter disposed ...

OPTICAL RECEPTACLE AND OPTICAL MODULE

An optical receptacle having a first optical receptacle for transmission and a second optical receptacle for reception. The first optical receptacle has a first engaging section and the second optical receptacle has a second engaging section that engages with the first engaging section. A first recessed section and a second recessed section that open externally are formed in the first optical receptacle. A third recessed section that opens externally is formed in the second optical receptacle. Part of each of the inner surfaces of the first recessed section, the second recessed section, and the third recessed section is a reflective surface. 1. An optical receptacle configured to be disposed between a photoelectric conversion device and a plurality of optical transmission members , the photoelectric conversion device including a light-emitting element , a light-receiving element and a detection device for monitoring emission light emitted from the light-emitting element which are disposed on a substrate , the optical receptacle being configured to optically couple the light-emitting element and the light-receiving element to respective end surfaces of the plurality of optical transmission members , the optical receptacle comprising:a first optical receptacle for transmission including a first surface, a second surface opposite to the substrate, a third surface opposite to the second surface and a first fitting part disposed on the first surface, the first optical receptacle being disposed on the substrate in such a manner that the first optical receptacle is opposite to the light-emitting element and the detection device; anda second optical receptacle for reception including a fourth surface, a fifth surface opposite to the substrate, a sixth surface opposite to the fifth surface and a second fitting part disposed on the fourth surface, the second fitting part being configured to be fit to the first fitting part, the second optical receptacle being disposed on the ...

Methods for determining receiver coupling efficiency, link margin, and link topology in active optical cables

A method for determining receiver coupling efficiency includes varying optical power inputted into a half active optical cable to determine a maximum optical power at which the TIA squelches and determining a receiver coupling efficiency by calculating a ratio of a threshold optical power to the maximum optical power at which the TIA squelches. A method of determining link loss in a channel includes varying optical power of a light source to determine the maximum optical power at which the TIA squelches and determining the link loss in the channel by subtracting the maximum optical power from the threshold optical power. A method of determining link topology includes selecting a pattern of optical powers and matching a pattern of squelched and non-squelched outputs with the pattern of optical power. An active optical cable includes memory storing a value related to an initial link loss of the active optical cable.

ELECTRICAL CONDUCTOR TO OPTICAL INPUT CONVERSION SYSTEM

A system uses optical signals to monitor real world inputs and convert them to electrical signals for conventional indication and control systems. Optical signals see use where electrical signals cannot and improve reliability of existing control systems. Optical loops extend to peripheral devices which process the light into discrete or analog light signals. A receiving circuit interprets that signal and converts it to a useable electrical signal of discrete or analog form. The system operates within a range of light wavelength from at least as low as 399 nm up to at least as high as 1801 nm. The system replaces electrical conductors for input cards of Programmable Logic Controller systems. The optical sensing devices withstand electrical surges and immersion into water, do not generate electrical noise, allow for maintenance without shock hazard, and lack susceptibility to electrical or magnetic phenomenon. 1. An optical input system , said system generating a light signal , said system processing the light signal to create a digital light signal then converting it to open or to close a dry electrical contact , the light signal within a range of light wavelength from at least as low as 399 nm up to at least as high as 1801 nm , said system comprising:a power supply yielding useable circuit voltages;a light source circuit including one of an LED, laser diode, and fiber optic circuit light source, wherein said light source circuit supports standard fiber optic light wavelengths and light intensity;a housing for said light source circuit, said housing including a fiber optic cable connector, and a penetration from said light source circuit to said connector;an optic cable having two ends, said optic cable terminating on one of said ends with a cooperating connector;a peripheral device having a housing body with a narrow cavity, a wide cavity, an actuating arm locating within said narrow cavity, said wide cavity having a plurality of retaining feet of said actuating ...

Method of Configuring An Optical Cable and Apparatus For Same

A method of configuring an optical cable comprising a plurality of optical fibers. The method includes cleaving with a laser beam a first end of an optical fiber at a first end of the optical cable. The laser beam has an intensity distribution adapted to cause a burst of light to be generated during cleaving of the optical fiber and the laser beam is adapted to cause at least some of the burst of light to be received into the first end of the optical fiber, for propagation within the optical fiber. Light output from a second end of the optical cable is detected, and the optical fiber from which the light was output is determined. Finally, the optical fiber at the second end of the optical cable from which the light was output is correlated with the optical fiber that was cleaved. 1. A method of configuring an optical cable comprising a plurality of optical fibers , the method comprising steps of:cleaving with a laser beam a first end an optical fiber of the plurality of optical fibers at a first end of the optical cable, the laser beam having an intensity distribution adapted and arranged to cause a burst of light to be generated during cleaving of the optical fiber and the laser beam is adapted and arranged to cause at least some of the burst of light to be received into the first end of the optical fiber, for propagation within the optical fiber;detecting light output from a second end of the optical cable, distal from the first end;determining which one of the plurality of optical fibers at the second end of the optical cable the light was output from; andidentifying the optical fiber at the second end of the optical cable from which the light was output as corresponding to the optical fiber that was cleaved with the laser beam at the first end of the optical cable.2. The method of claim 1 , comprising performing said steps for each optical fiber of the plurality of optical fibers.3. The method of claim 1 , wherein each of the plurality of optical fibers has a ...