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Influence of equalization enhanced phase noise on digital nonlinearity compensation in Nyquist-spaced superchannel transmission systems
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Ding, Jiazheng, Xu, Tianhua, Zhang, Yunfan, Liu, Zheng, Jin, Cenqin, Zhao, Jian, Liu, Tiegen, Su, Yikai, Hofmann, Werner H. and Li, Wei (2021) Influence of equalization enhanced phase noise on digital nonlinearity compensation in Nyquist-spaced superchannel transmission systems. In: SPIE/COS Photonics Asia, Nantong, Jiangsu, China, 11-21 Oct 2021. Published in: Proceedings of SPIE ; Semiconductor Lasers and Applications XI, 11891 p. 6. doi:10.1117/12.2600923
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WRAP-Influence-equalization-enhanced-phase-noise-digital-nonlinearity-Nyquist-superchannel-systems-2021.pdf - Accepted Version - Requires a PDF viewer. Download (1613Kb) | Preview |
Official URL: http://dx.doi.org/10.1117/12.2600923
Abstract
In digital signal processing (DSP) based coherent optical communication systems, the effect of equalization enhanced phase noise (EEPN) will seriously degrade the transmission performance of high-capacity optical transmission system. In this paper, we have investigated the influence of EEPN on 9-channel 32-Gbaud dual-polarization 64-ary quadrature amplitude modulation (DP-64QAM) Nyquist-spaced superchannel optical field trial by using electronic dispersion compensation (EDC) and multi-channel digital backpropagation (MC-DBP). The deteriorations caused by EEPN on the signal-to-noise-ratio (SNR) and achievable information rates (AIRs) in high-speed optical communication systems have been studied. The system performance versus back-propagated bandwidth under different laser linewidth have also been demonstrated. The SNR penalty due to the distortion of EEPN achieves ~5.11 dB when FF-DBP is implemented, which informs that FF-DBP is more susceptible to EEPN, especially when the LO laser linewidth is larger. The system AIR versus different transmission distance under different EEPN interference using EDC-only and MC-DBP have also been evaluated, which show that there is a trade-off on the selection of lasers and back-propagated bandwidths to achieve a target AIR.
Item Type: | Conference Item (Paper) | |||||||||
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Subjects: | Q Science > QC Physics T Technology > TA Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | |||||||||
Library of Congress Subject Headings (LCSH): | Signal processing -- Digital techniques, Fiber optics, Nonlinear optics, Optical fiber communication | |||||||||
Journal or Publication Title: | Proceedings of SPIE ; Semiconductor Lasers and Applications XI | |||||||||
Publisher: | Society of Photo-optical Instrumentation Engineers | |||||||||
Book Title: | Semiconductor Lasers and Applications XI | |||||||||
Official Date: | 9 October 2021 | |||||||||
Dates: |
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Volume: | 11891 | |||||||||
Page Range: | p. 6 | |||||||||
Article Number: | 1189107 | |||||||||
DOI: | 10.1117/12.2600923 | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Reuse Statement (publisher, data, author rights): | Jiazheng Ding, Tianhua Xu, Yunfan Zhang, Zheng Liu, Cenqin Jin, Jian Zhao, and Tiegen Liu "Influence of equalization enhanced phase noise on digital nonlinearity compensation in Nyquist-spaced superchannel transmission systems", Proc. SPIE 11891, Semiconductor Lasers and Applications XI, 1189107 (9 October 2021); https://doi.org/10.1117/12.2600923 Copyright notice format: Copyright 2021 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited." | |||||||||
Access rights to Published version: | Restricted or Subscription Access | |||||||||
Date of first compliant deposit: | 15 October 2021 | |||||||||
Date of first compliant Open Access: | 18 October 2021 | |||||||||
RIOXX Funder/Project Grant: |
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Conference Paper Type: | Paper | |||||||||
Title of Event: | SPIE/COS Photonics Asia | |||||||||
Type of Event: | Conference | |||||||||
Location of Event: | Nantong, Jiangsu, China | |||||||||
Date(s) of Event: | 11-21 Oct 2021 |
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