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Conferences > ACPC > 2014 > ATh4B > ATh4B.3

Waveguide-integrated Graphene Photodetector with a Bragg Reflector on Silicon

Jiajiu Zheng, Longhai Yu, Sitao Chen, and Daoxin Dai

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Abstract

A silicon-based waveguide-integrated graphene photodetector with an asymmetric metallization scheme is demonstrated. A Bragg reflector is introduced to shorten the length of the light absorption section. High responsivity of ~0.2 mA W−1 at 1550nm under zero bias and broadband photoresponse are observed.

© 2014 Optical Society of America

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