Ultra-long Span Unrepeatered Fiber Optical Communication System with Nonlinear Compensation Algorithm

ZHOU Wen-ting; CUI Li-min; WANG Xin; CHEN Jian-xin; ZHANG Hai-bo; XU Jian; LONG Han; ZHENG Qiang

doi:10.13756/j.gtxyj.2018.04.004

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Ultra-long Span Unrepeatered Fiber Optical Communication System with Nonlinear Compensation Algorithm

- Ultra-long Span Unrepeatered Fiber Optical Communication System with Nonlinear Compensation Algorithm
- Study on Optical communication Issue 4, Pages: 14-17(2018)
- 作者机构：
  
  1. 国网新疆电力公司信息通信公司
  2. 武汉光迅科技股份有限公司
  3. 华中科技大学武汉光电国家实验室
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2018.04.004
  CLC： TN929.11
- Published：2018，
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[1]周文婷,崔力民,王鑫,陈建新,张海波,徐健,龙函,郑强.采用非线性补偿算法的超长跨距系统[J].光通信研究,2018(04):14-17+51.

ZHOU Wen-ting, CUI Li-min, WANG Xin, et al. Ultra-long Span Unrepeatered Fiber Optical Communication System with Nonlinear Compensation Algorithm. [J]. (4):14-17(2018)
[1]周文婷,崔力民,王鑫,陈建新,张海波,徐健,龙函,郑强.采用非线性补偿算法的超长跨距系统[J].光通信研究,2018(04):14-17+51. DOI： 10.13756/j.gtxyj.2018.04.004.

ZHOU Wen-ting, CUI Li-min, WANG Xin, et al. Ultra-long Span Unrepeatered Fiber Optical Communication System with Nonlinear Compensation Algorithm. [J]. (4):14-17(2018) DOI： 10.13756/j.gtxyj.2018.04.004.

摘要

搭建一个双向拉曼放大超长跨距光纤传输系统

在接收端采用非线性补偿算法来补偿因传输距离长和入纤光功率高所带来的光纤非线性效应

并通过实验成功实现了10Gbaud/s 16正交幅度调制（QAM）信号的传输

传输距离为300km。仿真和实验结果表明

通过采用非线性补偿算法

接收端信号的性能相比未使用非线性补偿算法时提高了2dB。证明了非线性补偿技术在超长跨距光纤传输系统中是非常有效且必要的。

Abstract

In this paper

a bi-directional Raman amplified unrepeatered system is established

and the nonlinearity compensation algorithm is applied at the receiver side.A 300 km unrepeatered system is experimental demonstrated at 10 Gbaud/s with 16 Quadrature Amplitude Modulation（QAM）format.The simulation and experimental results show that the performance of the system can be improved by 2 dB after nonlinearity compensation.The experiment indicates that the nonlinear compensation algorithm is effective and necessary for the unrepeatered system.

关键词

双向拉曼放大超长跨距非线性补偿算法相干光通信

Keywords

bi-directional Raman amplificationultra-long spannonlinear compensation algorithmcoherent optical communication

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