On the Performance Limits of High-Speed Transmission Using a Single Wideband Coherent Receiver

被引：3

作者：

Geiger, Benedikt ^{[1
,2
]}

Sillekens, Eric ^{[3
]}

Ferreira, Filipe ^{[3
]}

Killey, Robert ^{[3
]}

Galdino, Lidia ^{[4
,5
]}

Bayvel, Polina ^{[3
]}

机构：

[1] UCL, Opt Networks Grp, Dept Elect & Elect Engn, London WC1E 7JE, England

[2] Karlsruhe Inst Technol, Opt Networks Grp, Commun Engn Lab, D-76187 Karlsruhe, Germany

[3] UCL, Dept Elect & Elect Engn, Opt Networks Grp, London WC1E 7JE, England

[4] UCL, Dept Elect & Elect Engn, Opt Networks Grp, London WC1E 7JE, England

[5] Corning Opt Fiber Commun, Ewloe CH5 3XD, Wales

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2023年 / 41卷 / 12期

基金：

英国工程与自然科学研究理事会;

关键词：

Optical fiber communication; high symbol rate; digital signal processing; constellation shaping;

D O I：

10.1109/JLT.2023.3277624

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The performance of a wideband coherent receiver was investigated. The relative impact of digital pre-distortion, geometric constellation shaping and pilot sequence detection, as well as the number of sub-channels in the super-channel, on the receiver performance was explored. The detection of a net data rate of 2.36 Tb/s after 75 km transmission of a 8 x 26 GBd DP-GS-256-QAM super-channel was demonstrated using a single 110 GHz electrical bandwidth receiver. The overall improvement due to the digital pre-distortion and tailored geometric constellation shaping was 1.2 bit/4D-sym in the achievable information rate.

引用

页码：3816 / 3824

页数：9

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