The demonstration of a germanium-based photodiode with a 3 dB bandwidth of 265 GHz and compatibility with silicon photonics and CMOS fabrication offers a cost-effective route to faster channel data rates for optical communications.
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Virot, L. Ultrafast on-chip germanium photodiode. Nat. Photon. 15, 868–869 (2021). https://doi.org/10.1038/s41566-021-00914-8
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DOI: https://doi.org/10.1038/s41566-021-00914-8
