Optical waveguides – Planar optical waveguide
Reexamination Certificate
2007-01-30
2007-01-30
Connelly-Cushwa, Michelle (Department: 2874)
Optical waveguides
Planar optical waveguide
Reexamination Certificate
active
10542424
ABSTRACT:
An optical waveguide device includes a waveguide layer that converts a wavelength of incident light and emits converted light. In the waveguide layer, a ridge waveguide and slab waveguides are provided, the slab waveguides being formed on both sides of the ridge waveguide with recess portions intervening therebetween. The waveguide layer satisfies a multi-mode condition for the incident light, and light propagating through the ridge waveguide is in a single mode.
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Imaeda Minoru
Kawaguchi Tatsuo
Mizuuchi Kiminori
Yamamoto Kazuhisa
Yoshino Takashi
Chu Chris
Connelly-Cushwa Michelle
Hamre Schumann Mueller & Larson P.C.
NGK Insulators Ltd.
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