Experimental investigations of temperature-dependent characteristics of L-band EDFA gain-tilt

Hu Yonggang; Yi Lilin; Chen Xianfeng

doi:10.13756/j.gtxyj.2012.03.010

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Experimental investigations of temperature-dependent characteristics of L-band EDFA gain-tilt

- Experimental investigations of temperature-dependent characteristics of L-band EDFA gain-tilt
- Study on Optical communication Issue 3, Pages: 62-64(2012)
- 作者机构：
  
  上海交通大学
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2012.03.010
  CLC： TN722
- Published：2012，
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[1]胡永刚,义理林,陈险峰.温度对L波段EDFA增益斜率影响的实验研究[J].光通信研究,2012(03):62-64.

Hu Yonggang, Yi Lilin, Chen Xianfeng. Experimental investigations of temperature-dependent characteristics of L-band EDFA gain-tilt. [J]. (3):62-64(2012)
[1]胡永刚,义理林,陈险峰.温度对L波段EDFA增益斜率影响的实验研究[J].光通信研究,2012(03):62-64. DOI： 10.13756/j.gtxyj.2012.03.010.

Hu Yonggang, Yi Lilin, Chen Xianfeng. Experimental investigations of temperature-dependent characteristics of L-band EDFA gain-tilt. [J]. (3):62-64(2012) DOI： 10.13756/j.gtxyj.2012.03.010.

摘要

实用的L波段EDFA（掺铒光纤放大器）常采用多段铒纤和多泵浦的复杂结构。对一种复杂结构的L波段EDFA的温度特性进行了实验研究

发现在不同的输入光功率下

L波段短波侧（约1 570～1 582nm）的增益谱可按相反的方式随温度而变化

并从理论上解释了此现象。实验结果表明

铒纤的温度和增益斜率之间仍然存在很好的线性关系。控制铒纤温度就可以调整L波段EDFA的增益斜率

获得平坦的增益。

Abstract

Practical L-band Erbium-Doped Fiber Amplifiers（EDFA） often adopt multi-stage Erbium-doped fiber and multi-pump lasers.In this paper

the temperature characteristic of an L-band EDFA with such a complex configuration is experimentally investigated.It is found that the gain spectra of the short-wavelength（about 1 570

582 nm） side of the L-band change with temperature in a reverse direction

which is theoretically explained.The experimental results show that there is still a good linear relationship between the Er-doped fiber temperature and the L-band EDFA gain tilt.Thus

the gain tilt of L-band EDFA can be adjusted by controlling the fiber temperature so as to achieve flattened gain.

关键词

L波段掺铒光纤放大器增益斜率温度

Keywords

L-bandEDFAgain-tilttemperature

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华中科技大学光电子系湖北武汉　430074

Dept. of Optoelectric Eng., HUST, Wuhan 430074,China)

Wuhan Molex Communication Technology Co., Ltd.

Wuhan Research Institute of Posts and Telecommunications

Wuhan Research Institute of Post and Telecommunications

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