Optical waveguide circuit

Details Optical waveguide circuit Optical waveguide circuit

2007-07-17

2007-07-17

Font, Frank G. (Department: 2883)

Optical waveguides

Integrated optical circuit

C385S031000, C385S037000, C385S046000, C385S039000

Reexamination Certificate

active

10715146

ABSTRACT:
An optical waveguide circuit includes a first loss component for causing a diffraction loss of light propagating through an optical waveguide, and a second loss component provided at least one of before and after the first loss component, for causing a diffraction loss less than the diffraction loss in the first loss component to the light propagating through the optical waveguide. This enables the beam spot size of the lightwave launched into the first loss component to be magnified seemingly, and to reduce the radiation angle of the lightwave at the first loss component, thereby making it possible to reduce the excess loss involved in the propagation of the light through the optical waveguide.

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