Nonlinear noise suppression in a high-rate optical channel with phase modulation and dispersion compensation

被引：2
|
作者：
Shapiro, E. G. [1 ,2 ]
Shapiro, D. A. [1 ,2 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Inst Automat & Electrometry, Prosp Akad Koptyuga 1, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Ul Pirogova 2, Novosibirsk 630090, Russia
来源：
QUANTUM ELECTRONICS | 2020年 / 50卷 / 02期
关键词：
fibre-optic communication lines; mathematical simulation; nonlinear Schrodinger equation; chromatic dispersion; 100 GBIT S(-1);
D O I：
10.1070/QEL17038
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：
We have performed a numerical simulation of transmission of optical DP QPSK signals at a rate of 40 Gbaud over a distance of 2099 km. It is shown that a channel with large negative dispersion and preliminary large positive pulse chirping significantly reduces nonlinear distortion and improves the signal quality. To further reduce the probability of recognition error, it is proposed, instead of a negative dispersion fibre, to use compensators with low attenuation.
引用
收藏
页码：184 / 186
页数：3
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