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Conferences > CLEO_SI > 2016 > STh4E > STh4E.4

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, and Michael R. Watts

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Abstract

A 4.5-µm-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).

© 2016 Optical Society of America

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