Study on repeaterless transmission spans of single-channel 10Gbit/s lines

Chen Yongzhou; Long Xiping

doi:10.13756/j.gtxyj.2008.06.005

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Study on repeaterless transmission spans of single-channel 10Gbit/s lines

- Study on repeaterless transmission spans of single-channel 10Gbit/s lines
- Study on Optical communication Issue 6, Pages: 1-3(2008)
- 作者机构：
  
  光纤通信技术和网络国家重点实验室烽火通信科技股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2008.06.005
  CLC： TN929.1
- Published：2008，
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[1]陈永洲,龙熙平.单通道10Gbit/s线路无中继传输距离研究[J].光通信研究,2008(06):1-3+33.

Chen Yongzhou, Long Xiping. Study on repeaterless transmission spans of single-channel 10Gbit/s lines. [J]. (6):1-3(2008)
[1]陈永洲,龙熙平.单通道10Gbit/s线路无中继传输距离研究[J].光通信研究,2008(06):1-3+33. DOI： 10.13756/j.gtxyj.2008.06.005.

Chen Yongzhou, Long Xiping. Study on repeaterless transmission spans of single-channel 10Gbit/s lines. [J]. (6):1-3(2008) DOI： 10.13756/j.gtxyj.2008.06.005.

摘要

对于10 Gbit/s系统

长距离传输时需要解决线路衰减问题和非线性效应带来的码间干扰问题。目前应用较多的是掺铒光纤放大技术、拉曼放大技术和色散补偿技术等。对这些技术的深入探索和研究

极大地改善了线路传输质量

延伸了线路传输距离。文章重点介绍一种通过提高电吸收（EA）型激光器注入光功率来改善线路传输的信噪比、延伸传输距离的方法。实验证明

当注入光功率达到18 dB时

仍能保证传输质量。

Abstract

As far as 10 Gbit/s systems are concerned

intersymbol interferences brought about by nonlinear effects must be removed in long-haul transmissions.At present

the dispersion compensation

EDFA and Raman technologies are often applied for this purpose.In-depth researches on these technologies have greatly improved the line transmission quality and extended the repeaterless line transmission span.This paper introduces a method for improving the system OSNR and extending the transmission span by enhancing the input power of the EA laser.Experiments prove that optical input power at 18 dB can still ensure the transmission quality.

关键词

单信道系统无中继传输非线性效应

Keywords

single-channel systemrepeaterless transmissionnonlinear effect

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College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications

Wuhan National Laboratory for Optoe1ectronics,Huazhong University of Science and Technology

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Information & Communication Company of State Grid Hubei Electric Power Company

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