Germanium-On-Silicon Photo-Detectors Based On Tiny Micro-Disk Resonators

Haifeng Zhou,Tsungyang Liow,Xiaoguang Tu,Eujin Lim,Chao Li,Lianxi Jia,Ying Huang,Lianwee Luo,Xianshu Luo,Junfeng Song,Qing Fang,Mingbin Yu,Guoqiang Lo

2016 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC)（2016）

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摘要

Micron-scale disk resonators are explored to minituarize and enhance Ge-on-Si photodetectors. A 2.0 mu m-radius detector exhibits a dark current of 11 nA, a responsitivity of 0.5 A/W and a 3-dB bandwidth of 17 GHz at -1V bias.

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关键词

germanium-on-silicon photodetectors,microdisk resonators,dark current,responsitivity,radius 2.0 mum,current 11 nA,bandwidth 17 GHz,voltage -1 V,Ge-Si

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