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US 5,208,882 AGranted
Hybrid thin film optical waveguide structure having a grating coupler and a tapered waveguide film
AssigneeEastman Kodak Company
InventorsThomas A. Strasser, Wei Y. Hsu, Mool C. Gupta
Life of this patent
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Abstract
A hybrid, thin-film, optical waveguide structure has a substrate with a grating coupler formed thereon. A thin-film waveguide film is formed on the substrate and has a tapered portion overlaying the grating.
Claims22
A hybrid optical waveguide structure comprising:
- a substrate having a grating formed thereon;
- and
- a thin-film waveguide film being formed on said substrate and having a tapered profile portion overlaying said grating.
Dependencies are inferred from the claim text.