Fiber stub for cladding mode coupling reduction

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7267494
APP PUB NO 20060171631A1
SERIAL NO

11345069

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Fiber stub interface for reducing cladding mode light. The fiber stub can be implemented in an optical transmission device. The optical transmission device can be a transceiver that also includes an optical signal receiver. The fiber stub includes an optical fiber and a ferrule. The optical fiber includes both a core and a cladding. The ferrule includes a glass material with a refractive index that is greater than the refractive index of at least a portion of the optical fiber. As a result, the cladding modes are refracted into the ferrule and away from the core, thereby reducing the chance that they are transmitted to an external optical fiber. An absorptive layer can be applied to an outer surface of the ferrule to absorb the refracted cladding modes.

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Patent Owner(s)

  • FINISAR CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aronson, Lewis B Los Altos, CA 86 3479
Deng, Hongyu Saratoga, CA 50 515
Vandyshev, Yuri San Jose, CA 2 145

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