Patent ID: 6282358
Filing Date: 2001-08-28
Classification: G02B

Abstract:
A horizontal deflecting optical waveguide formed in an integrated circuit-like structure having a substrate, comprising:at least one layer of dielectric material positioned above the substrate and defining a trench having side walls, the trench having first and second portions joined at a bent portion where the first and second portions extend in an angular relation with respect to each other;a reflective layer of material adjoining the side walls within the trench and conforming to the side walls and extending along the first, second and bent portions of the trench; anda core of optically transmissive material adjoining the reflective layer within the trench and conforming to the reflective layer; and wherein:the reflective layer forming a wall at the bent portion which reflects light at the bent portion from the core located in one portion into the core located in the other portion.