Electro-optically induced optical waveguide, and active devices comprising such a waveguide
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United States of America Patent
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Sep 19, 1989
Issued Date -
N/A
app pub date -
Sep 15, 1988
filing date -
Mar 26, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A light waveguide device including a thin film of a polymer material capable of exhibiting the electro-optic effect. The composite structure of first electrode, buffer layer, thin film layer, second buffer layer and second electrode covering substantially the entire area of the adjacent major surface of the thin film layer, is disposed on a substrate which underlies the second electrode. In an alternative embodiment the first buffer layer is a strip-shaped ridge on those thin film regions only which are in registration with the first electrode. Various types of integrated optical components can be readily implemented. Embodiments of a phase modulator, directional coupler, switch and bending section are described.
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