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Start Over Author "Anugrah, Yoska" Publisher american chemical society
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1. Multifunctional Graphene Optical Modulator and PhotodetectorIntegrated on Silicon Waveguides.

Author

Youngblood, Nathan, Anugrah, Yoska, Ma, Rui, Koester, Steven J., and Li, Mo

Subjects
*GRAPHENE, *OPTICAL modulators, *PHOTODETECTORS, *WAVEGUIDES, *SILICON, *OPTOELECTRONICS
Abstract

Graphene’s unique optoelectronicproperties have been exploitedfor many photonic applications. Here, we demonstrate a single graphene-baseddevice that simultaneously provides efficient optical modulation andphotodetection. The graphene device is integrated on a silicon waveguideand is tunable with a graphene gate to achieve a near-infrared photodetectionresponsivity of 57 mA/W and modulation depth of 64% with GHz bandwidth.Simultaneous modulation of photocurrent and optical transmission hasbeen achieved, which may lead to unprecedented optoelectronic applications. [ABSTRACT FROM AUTHOR]

Published
2014
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