Abstract
We demonstrate an O-band 4-channel DWDM receiver using all-Si microring APDs. Each all-Si APD exhibits a low dark current at nA level before the breakdown, a responsivity of ~ 0.5 A/W, and a 3-dB bandwidth of ~ 44 GHz. All 4 channels are capable of open eye diagrams at 50 Gbps NRZ and 100 Gbps PAM4 operations.
© 2023 The Author(s)
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