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Design of a PAM-4 VCSEL-Based Transceiver Front-End for Beyond-400G Short-Reach Optical Interconnects
He, Jian1; Lu, Donglai2; Xue, Haiyun3; Chen, Sikai2; Liu, Han2; Li, Leliang2; Li, Guike2; Zhang, Zhao2; Liu, Jian2; Liu, Liyuan2; Wu, Nanjian2; Yu, Ningmei1; Liu, Fengman3; Xiao, Xi4; Chen, Yong5; Qi, Nan2
2022
Source PublicationIEEE Transactions on Circuits and Systems I: Regular Papers
ISSN1549-8328
Abstract

This paper presents a hybrid-integrated optical transceiver front-end for beyond-400G short-reach optical links. A pair of the monolithic 8-channel laser drivers and the trans-impedance amplifier (TIA) is developed in 180nm SiGe BiCMOS, incorporating arrayed Vertical-Cavity-Surface-Emitting Lasers and photo-detectors. The driver uses a 2 $^{\mathrm{nd}}$ -order continuous-time linear equalizer (CTLE) to compensate for the channel loss with a nonlinear frequency response. Both the inductive peaking and RC-degeneration are embedded at the output stage to extend the optical modulation bandwidth (BW). The series-peaking and multi-stage distributed CTLE are combined in a resistive feedback TIA topology for improved BW and linearity. Measurement results show up to 100-Gb/s PAM-4 electrical eyes of the driver and TIA. The optical transmitter front-end operates 56 Gb/s, 4.1-dB extinction ratio, and 6.6-pJ/bit power efficiency, while the optical receiver front-end achieves 56-Gb/s, 10 $^{-6}$ bit error rate, and 5.9-pJ/bit power efficiency.

Keyword400gbase-sr8 Continuous-time Linear Equalizer (Ctle) Four-level Pulse Amplitude Modulation (Pam-4) Integrated Circuit Modeling Nonlinear Optics Optical Receivers Optical Superlattices Optical Transmitters Sige Bicmos Trans-impedance Amplifier (Tia) Transceiver (Trx) Transceivers Vertical Cavity Surface Emitting Lasers Vertical-cavity-surface-emitting Laser (Vcsel) Driver
DOI10.1109/TCSI.2022.3179678
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000826433600001
Scopus ID2-s2.0-85132782120
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Faculty of Automation and Information Engineering, Xi’an University of Technology, Xi’an, China
2.Institute of Semiconductors, State Key Laboratory of Superlattices and Microstructures, Chinese Academy of Sciences, Beijing, China
3.Institute of Microelectronics, Chinese Academy of Sciences, Beijing, China
4.State Key Laboratory of Optical Communication Technologies and Networks and the National Optoelectronics Innovation Center, Wuhan Research Institute of Posts and Telecommunications, Wuhan, China
5.State-Key Laboratory of Analog and Mixed-Signal VLSI and IME/ECE-FST, University of Macau, Macau, China
Recommended Citation
GB/T 7714
He, Jian,Lu, Donglai,Xue, Haiyun,et al. Design of a PAM-4 VCSEL-Based Transceiver Front-End for Beyond-400G Short-Reach Optical Interconnects[J]. IEEE Transactions on Circuits and Systems I: Regular Papers,2022.
APA He, Jian,Lu, Donglai,Xue, Haiyun,Chen, Sikai,Liu, Han,Li, Leliang,Li, Guike,Zhang, Zhao,Liu, Jian,Liu, Liyuan,Wu, Nanjian,Yu, Ningmei,Liu, Fengman,Xiao, Xi,Chen, Yong,&Qi, Nan.(2022).Design of a PAM-4 VCSEL-Based Transceiver Front-End for Beyond-400G Short-Reach Optical Interconnects.IEEE Transactions on Circuits and Systems I: Regular Papers.
MLA He, Jian,et al."Design of a PAM-4 VCSEL-Based Transceiver Front-End for Beyond-400G Short-Reach Optical Interconnects".IEEE Transactions on Circuits and Systems I: Regular Papers (2022).
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