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Ultrafast 67 GHz Waveguide-Coupled Silicon-Germanium Avalanche Photodiode

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Abstract

We demonstrate a silicon-germanium avalanche photodiode with record-high bandwidth of 67 GHz under a modest gain of 6.6, by levering the gain and bandwidth through comprehensively manipulating photocurrent density and electric field in multiplication region.

© 2024 The Author(s)

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