Graphene on Silicon-on-Sapphire Waveguide Photodetectors

Zhenzhou Cheng; Jiaqi Wang; Ke Xu; Hon Ki Tsang; Chester Shu

doi:10.1364/CLEO_SI.2015.STh1I.5

CLEO: 2015
OSA Technical Digest (online) (Optica Publishing Group, 2015),
paper STh1I.5
•https://doi.org/10.1364/CLEO_SI.2015.STh1I.5

Graphene on Silicon-on-Sapphire Waveguide Photodetectors

Zhenzhou Cheng, Jiaqi Wang, Ke Xu, Hon Ki Tsang, and Chester Shu

CLEO: Science and Innovations 2015

San Jose, California United States
10–15 May 2015
ISBN: 978-1-55752-968-8

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Photodetectors (STh1I)

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Z. Cheng, J. Wang, K. Xu, H. K. Tsang, and C. Shu, "Graphene on Silicon-on-Sapphire Waveguide Photodetectors," in CLEO: 2015, OSA Technical Digest (online) (Optica Publishing Group, 2015), paper STh1I.5.

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Abstract

We describe the transfer of chemical vapor deposition grown graphene onto silicon-on-sapphire waveguides to form heterostructure waveguide photodetectors which had responsivities of 0.9 mA/W and 4.5 mA/W at 1.55 μm and 2.75 μm wavelengths, respectively.

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