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100Gb/s PAM-4 VCSEL Driver and TIA for Short-Reach 400G-1.6T Optical Interconnects
Lu, Donglai1,2,2,3,3; He, Jian1,2,2,3,3; Li, Weizhong2,3,5; Chen, Sikai1,2,3; Liu, Jian1,2,2,3,3; Wu, Nanjian1,2,2,2,3,3,3; Yu, Ningmei2,3,4; Liu, Liyuan1,2,2,2,3,3,3; Chen, Yong2,3,6; Xiao, Xi2,3,5; Qi, Nan1,2,2,3,3
2021
Source Publication2021 IEEE Asia Pacific Conference on Circuits and Systems, APCCAS 2021 and 2021 IEEE Conference on Postgraduate Research in Microelectronics and Electronics, PRIMEASIA 2021
Pages253-256
AbstractThis paper presents a chipset of multi-channel vertical-cavity-surface-emitting laser (VCSEL) driver and trans-impedance amplifier (TIA) in a 180-nm SiGe BiCMOS. Targeting 400G-1.6T short-reach applications, the high-speed linear gain is developed for the four four-level pulse amplitude modulation (PAM-4). The VCSEL driver employs a second-order continuous-time linear equalizer to compensate for non-linear input channel loss, while exploiting an RC-degenerated output stage with inductive shunt peaking to extend the bandwidth. The TIA adopts the resistive feedback topology along with a series-peaking inductor to improve its input bandwidth. Experimental results show the VCSEL driver operates up to 100 Gb/s with 280-mVpp PAM-4 modulated swing. The TIA achieves 61.5-dBω trans-impedance gain, 36-GHz BW, and 16- pAHz averaged input-referred noise.
Keyword400GBASE-SR8 four-level pulse amplitude modulation (PAM-4) trans-impedance amplifier (TIA) vertical-cavity-surface-emitting laser (VCSEL) driver
DOI10.1109/APCCAS51387.2021.9687808
URLView the original
Language英語English
Scopus ID2-s2.0-85126697448
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Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.Institute of Semiconductors, Chinese Academy of Sciences, China
2.School of Microelectronics,
3.Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, China
4.Xi’an University of Technology, China
5.National Information Optoelectronics Innovation Center,
6.University of Macau, Macao
Recommended Citation
GB/T 7714
Lu, Donglai,He, Jian,Li, Weizhong,et al. 100Gb/s PAM-4 VCSEL Driver and TIA for Short-Reach 400G-1.6T Optical Interconnects[C],2021:253-256.
APA Lu, Donglai,He, Jian,Li, Weizhong,Chen, Sikai,Liu, Jian,Wu, Nanjian,Yu, Ningmei,Liu, Liyuan,Chen, Yong,Xiao, Xi,&Qi, Nan.(2021).100Gb/s PAM-4 VCSEL Driver and TIA for Short-Reach 400G-1.6T Optical Interconnects.2021 IEEE Asia Pacific Conference on Circuits and Systems, APCCAS 2021 and 2021 IEEE Conference on Postgraduate Research in Microelectronics and Electronics, PRIMEASIA 2021,253-256.
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