08-08-2013 дата публикации
Номер: US20130202249A1
An integrated optical circuit includes a substrate having an input face, an output face, a lower face and an upper face, at least one optical waveguide having a first waveguide end located on the input face of the substrate and a second waveguide end located on the output face of the substrate. The lower face of the substrate includes a first part that is planar and parallel to the upper face and an optical block, the optical block being positioned in the median plane and in the incidence plane, the optical block forming a protrusion at least at the primary reflection point of the integrated optical circuit with respect to the first planar part of the lower face and the optical block being capable of receiving and attenuating at least one non-guided optical beam propagating on the optical path of a primary reflection. 1. An integrated optical circuit comprising:{'b': 10', '1', '2', '4', '3', '5', '4', '3', '5', '1', '2', '3', '4, 'a substrate () including an input face (), an output face (), a lower face (), an upper face () and two side faces (), said lower face (), upper face () and side faces () extending between the input face () and the output face (), the upper face () being planar and opposite to the lower face ();'}{'b': 6', '3', '6', '1', '2, 'at least one optical waveguide () located in a plane parallel to the upper face (), said at least one optical waveguide () extending between said input face () and said output face ();'}{'b': 7', '1', '10', '8', '2', '10, 'at least one first waveguide end () located on the input face () of the substrate () and at least one second waveguide end () located on the output face () of the substrate ();'}{'b': 11', '7', '12', '14', '14', '14', '14', '10', '17', '3', '7', '8', '17', '18', '17', '7', '8', '13', '4', '17, 'i': a', 'b', 'c', 'a, 'said integrated optical circuit being capable of receiving an incident optical beam () on said first waveguide end (), of forming a guided optical beam () propagating in an optically ...
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