EDFA-and RFA-based gain-variable hybrid fiber amplifiers

Liu Xinhua; Fu Chengpeng; Yang Zhi

doi:10.13756/j.gtxyj.2014.02.004

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EDFA-and RFA-based gain-variable hybrid fiber amplifiers

- EDFA-and RFA-based gain-variable hybrid fiber amplifiers
- Study on Optical communication Issue 2, Pages: 35-38(2014)
- 作者机构：
  
  1. 光纤通信技术和网络国家重点实验室
  2. 武汉光迅科技股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2014.02.004
  CLC： TN722
- Published：2014，
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[1]刘新华,付成鹏,杨智.基于EDFA与RFA的增益可调的混合光纤放大器[J].光通信研究,2014(02):35-38.

Liu Xinhua, Fu Chengpeng, Yang Zhi. EDFA-and RFA-based gain-variable hybrid fiber amplifiers. [J]. (2):35-38(2014)
[1]刘新华,付成鹏,杨智.基于EDFA与RFA的增益可调的混合光纤放大器[J].光通信研究,2014(02):35-38. DOI： 10.13756/j.gtxyj.2014.02.004.

Liu Xinhua, Fu Chengpeng, Yang Zhi. EDFA-and RFA-based gain-variable hybrid fiber amplifiers. [J]. (2):35-38(2014) DOI： 10.13756/j.gtxyj.2014.02.004.

摘要

混合光纤放大器广泛应用于密集波分复用系统中。针对目前混合光纤放大器存在的一些问题

文章提出一种基于EDFA（掺铒光纤放大器）和RFA（拉曼光纤放大器）的混合光纤放大器

利用统一的控制平台来调整增益的变化

不需要内置VOA（可变光衰减器）

RFA增益与EDFA增益可以相互补偿

其增益斜率也可以相互补偿

保证了增益的平坦性。实验证明

此种混合光纤放大器噪声小、增益大

具有平坦的增益宽带。

Abstract

Hybrid fiber amplifiers are widely used in DWDM systems.In view of the defects of current hybrid fiber amplifiers

this paper proposes an EDFA/RFA-based hybrid fiber amplifier

in which the gain variations are regulated on a unified control platform without a built-in VOA and the RFA and EDFA gains can be mutually compensated and so their gain tilts

ensuring the flatness of the gains.Experimental results show that this hybrid fiber amplifier is characteristic of low noise

high gain and flattened gain bandwidth.

关键词

混合光纤放大器增益增益斜率相互补偿

Keywords

hybrid fiber amplifiergaingain tiltmutual compensation

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