SEMICONDUCTOR-BASED PHOTODETECTOR HAVING MULTIPLE OPTICAL FEEDS FOR COUPLING LIGHT INTO AN ACTIVE AREA THEREOF

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United States of America Patent

APP PUB NO 20160124147A1
SERIAL NO

14879196

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Abstract

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We disclose a semiconductor-based photodetector having multiple optical feeds for coupling light into an active area thereof in a manner that causes the light to be distributed more-uniformly therein than in a comparable conventional photodetector. As a result, embodiments of the disclosed photodetector can handle an advantageously high optical power and generate a relatively high photocurrent before the saturation is reached. In some embodiments, the multiple optical feeds are used to reduce the size of the active area to achieve a larger effective bandwidth and/or better RF response for the photodetector without exacerbating certain detrimental effects therein, e.g., caused by the excessive heat generated by the absorbed light. In some embodiments, multiple semiconductor-based photodetectors can be optically arrayed and electrically interconnected to form a traveling-wave photodetector that preserves one or more beneficial characteristics of the individual photodetectors used therein.

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Patent Owner(s)

Patent OwnerAddress
ALCATEL-LUCENT USA INC600-700 MOUNTAIN AVENUE MURRAY HILL NJ 07974

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Chia-Ming Matawan, US 130 419
Sinsky, Jeffrey H Marlboro, US 11 54

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