Optical waveguides – Planar optical waveguide
Reexamination Certificate
2007-05-30
2008-12-30
Peng, Charlie (Department: 2883)
Optical waveguides
Planar optical waveguide
C385S014000
Reexamination Certificate
active
07471864
ABSTRACT:
An integrated optical waveguide has first, second, and third optical waveguiding regions. The second optical waveguiding region has a refractive index different from that of the first optical waveguiding region. The second optical waveguiding region has an interface surface with the first optical waveguiding region that is inclined with respect to the waveguide direction of the first optical waveguiding region. The third optical waveguiding region has an interface surface with the second optical waveguiding region that is disposed such that a refraction direction through the interface surface is in line with the waveguide direction.
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Fujiwara Naoki
Kikuchi Nobuhiro
Nunoya Nobuhiro
Shibata Yasuo
Tomori Yuichi
Nippon Telegraph and Telephone Corporation
Peng Charlie
Workman Nydegger
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