基于光纤环形镜的C+L波段高 平坦高功率掺铒光源

乔学光; 郭小东; 贾振安; 傅海威; 赵大壮; 周 红; 王小凤; 刘颖刚

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基于光纤环形镜的C+L波段高平坦高功率掺铒光源

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- 基于光纤环形镜的C+L波段高平坦高功率掺铒光源
- High power, high flattening C+L band erbium-doped fiber source based on fiber loop mirror
- 光学精密工程 2005年13卷第2期页码：205-210
- 作者机构：
  
  西安石油大学光纤传感实验室,陕西西安,710065
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： TN25;TQ342;TP722
- 收稿日期：2005-02-15，
  
  修回日期：2005-04-01，
  
  网络出版日期：2005-04-30，
  
  纸质出版日期：2005-04-30
- 稿件说明：
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乔学光, 郭小东, 贾振安, 等. 基于光纤环形镜的C+L波段高平坦高功率掺铒光源[J]. 光学精密工程, 2005,13(2):205-210.

QIAO Xue-guang, GUO Xiao-dong, JIA Zhen-an, et al. High power, high flattening C+L band erbium-doped fiber source based on fiber loop mirror[J]. Optics and precision engineering, 2005, 13(2): 205-210.
乔学光, 郭小东, 贾振安, 等. 基于光纤环形镜的C+L波段高平坦高功率掺铒光源[J]. 光学精密工程, 2005,13(2):205-210. DOI：

QIAO Xue-guang, GUO Xiao-dong, JIA Zhen-an, et al. High power, high flattening C+L band erbium-doped fiber source based on fiber loop mirror[J]. Optics and precision engineering, 2005, 13(2): 205-210. DOI：

摘要

研究并设计了一种用3 dB宽带耦合器制作的光纤环形镜作为反射镜的双级双程单管抽运高平坦度高功率C+L波段ASE光源。用2个980 nm激光二极管调试两级抽运光功率的分配

两级采用掺铒浓度不同的光纤并优化光纤长度

获得了功率高达15.28 mW(11.84 dB/m)的C＋L波段ASE光输出

平均波长为1 559.31 nm

在未采用任何外加滤波器的情况下

其平坦区域3 dB带宽66.72 nm(从1 533.12 nm至1 599.84 nm)。之后采用一个激光二极管实现两级双向同时抽运得到了同样的效果。通过光纤环形镜的使用

不仅提高了抽运源利用效率

且改善了光源的平坦度

在实验过程中

在平坦度相度相对要差一些的条件下

还通过调整两级抽运光的功率及分配比例得到了功率达到30.11 mW的C+L 波段ASE输出。

Abstract

A fiber loop mirror that is made from 3 dB coupler is employed in dual-stage double-pass one pumping LD configuration

in order to realized high flattening C+L band ASE with high output power. By using two 980 nm LDS

ratio of two stage is acquired

Through optimization of parameter of fiber of the two stage

output ASE of C+L band with power of 15.28 mW(11.84 dB/m) is achieved

and mean wavelength is 1 559.31 nm

without any external spectral filter

power ripple of 3 dB is 66.72 nm (from 1 533.12 to 1 599.84 nm). Fiber loop mirror was used as reflector in the configuration

to enhance the efficiency of LD and improve flatness of spectrum

From the experiment

the best ultra bandwidth ASE source with high output power of 30.11 mW is acquired by adjusting the bi-directional pump power of LDs

besides low demands for flatness.

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references

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