| 摘要 |
The present invention relates to an integrated optical circuit comprising an optically transparent substrate (10), said substrate comprising: an input face (1), an output face (2), an upper face (3) and a lower face (4), the upper face and the lower face extending between the input face and the output face; at least one optical waveguide (6), said optical waveguide comprising at least one first end (7) situated on the input face of the substrate and a second end (7) situated on the output face of the substrate; and at least one optical attenuation zone (18, 18a, 18b, 18c, 18d) able to attenuate an optical signal transmitted via the substrate to the outside of the waveguide. According to the invention, the waveguide exhibits a nonrectilinear optical path between the first end and the second end, said at least one attenuation zone extends from the upper face to the lower face of the substrate, and said attenuation zone being positioned on a straight line segment joining the first end and the second end of the optical waveguide, the waveguide and the attenuation zone having respective dimensions such that the attenuation zone does not cut the waveguide. |
