Array waveguide grating, array waveguide grating module,...

Details Array waveguide grating, array waveguide grating module,... Array waveguide grating, array waveguide grating module,...

2005-08-09

2005-08-09

Lee, Diane I. (Department: 2876)

Optical waveguides

With optical coupler

Input/output coupler

C385S043000, C398S084000

Reexamination Certificate

active

06928214

ABSTRACT:
First channel waveguides1021to1023of an array waveguide grating are connected via a first to a third exponential function shape optical waveguide1111to1113to a first sector-shape slab waveguide105. In a second boundary part109which is disposed symmetrically with a first boundary part108via a channel waveguide array104, second channel waveguides1031to1033are connected via a first to a third taper shape optical waveguide1121to1123to a second sector-shape slab waveguide106. By adopting exponential function shape optical waveguides111at least partly, the optical frequency characteristics can be improved compared to the case of the second degree function shape, and also the degree of freedom can also be improved compared to the case of the rectangular shape.

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Japanese Office Action dated Jan. 21, 2003, with partial English translation.

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