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Germanium-on-Silicon photo-detectors based on tiny micro-disk resonators

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Abstract

Micron-scale disk resonators are explored to minituarize and enhance Ge-on-Si photodetectors. A 2.0 μm-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.

© 2016 Optical Society of America

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