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
收藏
页码：3816 / 3824
页数：9
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