Resonant Germanium-On-Silicon Photodetector With Evanescent Waveguide Coupling

Zhan Su,Ehsan Shah Hosseini,Erman Timurdogan,Jie Sun,Michele Moresco,Gerald Leake,Thomas N. Adam,Douglas D. Coolbaugh,Michael R. Watts

2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)（2016）

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摘要

A 4.5-mu m-radius resonant germanium-on-silicon photodetector is first demonstrated with evanescent coupling from bus waveguide, achieving 2.03nA dark current, 1.04A/W responsivity at 1530nm, 32.9GHz electro-optic bandwidth and enhancement on responsivities for longer wavelengths (>0.3A/W at 1630nm).

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关键词

electro-optic bandwidth,dark current,bus waveguide,evanescent waveguide coupling,resonant germanium-on-silicon photodetector,radius 4.5 mum,wavelength 1530 nm,wavelength 1630 nm,Ge-Si

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