Experimental demonstration of 72% reach enhancement of 3.6Tbps optical transmission system using mid-link optical phase conjugation

被引：19

作者：

Al-Khateeb, Mohammad A. Z. ^{[1
]}

Tan, Mingming ^{[1
]}

Iqbal, Md Asif ^{[1
]}

Ali, Abdallah ^{[1
]}

McCarthy, Mary E. ^{[1
,2
]}

Harper, Paul ^{[1
]}

Ellis, Andrew ^{[1
]}

机构：

[1] Aston Univ, AIPT, Birmingham B4 7ET, W Midlands, England

[2] Oclaro Thchnol, Long Rd, Paignton TQ4 7AU, England

来源：

OPTICS EXPRESS | 2018年 / 26卷 / 18期

基金：

英国工程与自然科学研究理事会;

关键词：

NONLINEARITY COMPENSATION; MITIGATION; IMPAIRMENTS; LIMITS; PMD;

D O I：

10.1364/OE.26.023960

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We experimentally demonstrate nonlinear noise compensation in an optical phase conjugation assisted 1st order Raman amplified 30x30Gbaud DP-QPSK transmission system with a spectral efficiency of 3.6b/s/Hz. We show that by optimizing the link symmetry, even with only 1st order Raman amplification a single, mid-link, optical phase conjugation compensates for 90% of the signal-signal nonlinear interference resulting in a 2.3dB performance enhancement. We show that increasing the number of optical phase conjugations in the presence of 10% residual nonlinearity results in a reduction in the performance enhancement owing to an enhancement in the nonlinear noise generation efficiency of the system. We achieve a record 72% optical phase conjugation enabled reach enhancement of the 30x30Gbaud DP-QPSK signals. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：23960 / 23968

页数：9

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