OSNR improvement introduced by distributed Raman amplification in ultra-long haul DWDM systems

LIU Xianbing; XIE Qiuhong; XI Shene;  WANG Hongqi; GUO Zhengjun; YANG Zhu; YANG Zhuang

doi:10.13756/j.gtxyj.2003.05.002

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OSNR improvement introduced by distributed Raman amplification in ultra-long haul DWDM systems

- OSNR improvement introduced by distributed Raman amplification in ultra-long haul DWDM systems
- Study on Optical communication Issue 5, Pages: 8-10(2003)
- 作者机构：
  
  1. 烽火通信科技股份有限公司
  2. 烽火通信科技股份有限公司湖北武汉　430074
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2003.05.002
  CLC： TN929.11
- Published：2003，
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[1]刘贤炳,谢秋红,席申娥,王红启,郭正钧,杨铸,杨壮.超长距离DWDM系统中DRA放大对OSNR的改进[J].光通信研究,2003(05):8-10+18.

LIU Xianbing, XIE Qiuhong, XI Shene, et al. OSNR improvement introduced by distributed Raman amplification in ultra-long haul DWDM systems. [J]. (5):8-10(2003)
[1]刘贤炳,谢秋红,席申娥,王红启,郭正钧,杨铸,杨壮.超长距离DWDM系统中DRA放大对OSNR的改进[J].光通信研究,2003(05):8-10+18. DOI： 10.13756/j.gtxyj.2003.05.002.

LIU Xianbing, XIE Qiuhong, XI Shene, et al. OSNR improvement introduced by distributed Raman amplification in ultra-long haul DWDM systems. [J]. (5):8-10(2003) DOI： 10.13756/j.gtxyj.2003.05.002.

摘要

文章引入了光信噪比增益的概念

推导出了含有分布拉曼放大器（DRA）的多跨距段DWDM系统光信噪比（OSNR）的计算公式

并通过实验进行了验证.

Abstract

In this paper

the authors introduce the concept of optical signaltonoise ratio （OSNR） gain. We also derive the expression of OSNR of multispan DWDM systems including distributed Raman amplifiers （DRA）. The theoretical prediction agrees well with the experimental results.

关键词

分布拉曼放大器光信噪比光信噪比增益开关增益等效噪声指数

Keywords

DRAOSNROSNR gainon-off gainequivalent noise figure

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