Multilevel Manchester (2 bits/symbol) coding with optical equaliser for increasing the transmission distance of high-speed fibre optic links

被引：0

作者：

Oluwajobi, Festus Idowu ^{[1
,2
]}

Nguyen, Dong-Nhat ^{[3
]}

Khan, Nafizah ^{[1
,2
]}

Malekmohammadi, Amin ^{[4
]}

机构：

[1] George Green Inst Electromagnet Res, Appl Elect & Telecommu Res Grp, Nottingham, England

[2] Univ Nottingham, Dept Elect & Elect Engn, Malaysia Campus UNMC,Jalan Broga, Semeniyh 43500, Selangor, Malaysia

[3] Czech Tech Univ, Fac Elect Engn, Tech 2, Prague 16627, Czech Republic

[4] Calif Polytech State Univ San Luis Obispo, Dept Elect Engn, San Luis Obispo, CA 93407 USA

来源：

IET OPTOELECTRONICS | 2020年 / 14卷 / 04期

关键词：

optical fibre dispersion; error statistics; optical links; equalisers; optical fibre networks; multilevel Manchester coding; high-speed fibre optic links; four-level Manchester coding; four-level modified Manchester technique; second-order optical equaliser; standard single-mode fibre; transmission distance; fibre dispersion; BER performance; high-speed optical transmission links; bit error rate; power penalty; eye diagrams; dispersion tolerance; bit rate 20 Gbit; s; bit rate 40 Gbit; distance; 27; 0; km; 25; 6; 5; 7; MODULATION FORMATS; SIGNAL; PERFORMANCE; DISTORTION; ABSOLUTE;

D O I：

10.1049/iet-opt.2019.0130

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：

This study accessed the performance of the four-level Manchester coding (4-MC) and four-level modified Manchester (4-MM) technique at the bit rates of 20 and 40 Gb/s for the first-order and second-order optical equalisers. The performances were evaluated with respect to bit error rate (BER), power penalty, eye diagrams, and dispersion tolerance. Based on the results by utilising the second-order optical equaliser, at 20 Gb/s, the transmission distance of 4-MC and 4-MM was extended by 25 and 27 km of standard single-mode fibre (SSMF), respectively, while at the bit rate of 40 Gb/s, the 4-MC and 4-MM transmission distance was extended by 6.5 and 7.5 km of SSMF, respectively. Hence, the second-order optical equaliser can adequately compensate for the fibre dispersion and consequently the overall BER performance. Therefore, the proposed system could serve as an alternative to the next-generation high-speed optical transmission links.

引用

页码：182 / 188

页数：7

共 44 条

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