首页|4×112 Gb/s hybrid integrated silicon receiver based on photonic-electronic co-design

4×112 Gb/s hybrid integrated silicon receiver based on photonic-electronic co-design

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A4×112 Gb/s hybrid-integrated optical receiver is demonstrated based on the silicon-photonic vertical p-i-n photodetector and silicon-germanium transimpedance amplifier.We propose a photonic-electronic co-design technique to optimize both the device-level and system-level performance,based on the end-to-end equivalent circuit model of the receiver.Continuous-time linear equalization and shunt peaking are employed to enhance the frequency response.Experimental results reveal that the optical-to-electrical 3-dB bandwidth of the receiver is 48 GHz.Clear open NRZ eye diagrams at 56 Gb/s and PAM-4 eye diagrams at 112 Gb/s are achieved without an equalizer in the oscilloscope.The measured bit error rates for 56 Gb/s in NRZ and 112 Gb/s in PAM-4 reach 1×10-12 and 2.4×10-4(KP4-FEC:forward error correction)thresholds under-4 dBm input power,respectively.Furthermore,the proposed receiver boasts a power consumption of approximately 2.2 pJ/bit,indicating an energy efficient solution for data center traffic growth.

optical receiversilicon photonicshybrid integrationco-design

金烨、谢毓俊、张郅涵、陆东来、杨梦涵、李昂、孟祥彦、屈扬、李乐良、石暖暖、李伟、祝宁华、祁楠、李明

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Key Laboratory of Optoelectronic Materials and Devices,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China

Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences,Beijing 100190,China

School of Electronic,Electrical and Communication Engineering,University of Chinese Academy of Sciences,Beijing 100049,China

Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China

Peng Cheng Laboratory,Shenzhen 518055,China

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National Natural Science Foundation of China(NSFC)National Natural Science Foundation of China(NSFC)Young Elite Scientist Sponsorship ProgramNational Key Research and Development Program of China

6223501762235015YESS202206882020YFB2205700

2024

10.3788/COL202422.082501

中国光学快报(英文版)
中国光学学会 中国科学院上海光学精密机械研究所

中国光学快报(英文版)

CSTPCD
影响因子：1.305
ISSN：1671-7694
年,卷(期)：2024.22(8)