A 56Gb/s PAM4 Optical Receiver Integrated with Si-Ge APD

Ruida Liu,Yiwei Peng,Ankur Kumar,Yuan Yuan,Yang-Hang Fan,Yuanming Zhu,Tong Liu, Hyungryul Kang,Inhyun Kim,Peng Yan,Zhihong Huang,Marco Fiorentino,Raymond Beausoleil,Samuel Palermo

2023 IEEE Photonics Conference (IPC)（2023）

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摘要

This paper presents a broadband optical PAM4 receiver (RX) integrated with a Si-Ge avalanche photodiode (APD) by wire bonding. Fabricated in 28nm CMOS, the 56Gb/s PAM4 receiver achieves an optical modulation amplitude (OMA) of -7dBm at BER of 10 ^-4 and power efficiency of 1.61pJ/bit.

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关键词

avalanche photodiode,optical receiver,PAM4,sensitivity

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