OPTICAL CONTROL ELEMENT

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United States of America Patent

APP PUB NO 20160223844A1
SERIAL NO

15002511

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided is an optical control element including a lithium niobate substrate, optical waveguides formed on the substrate, and electrodes for controlling light waves propagating through the optical waveguide, in which a temperature control element for substrate for controlling the temperature of the substrate is provided, and the temperature of the substrate is controlled using the temperature control element for substrate to be maintained at a temperature that is equal to or higher than a predetermined lower limit of temperature at which generation of a photo-refractive effect due to light propagating through the optical waveguide is suppressed and is equal to or lower than 80° C.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO OSAKA CEMENT CO LTD1-9-2 HIGASHI-SHIMBASHI MINATO-KU TOKYO 1058641 ?1058641

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
ICHIKAWA, Junichiro Tokyo, JP 65 385

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