Er/Yb共掺双包层光纤放大器的自激振荡  

Self-oscillation of Er/Yb co-doped double-clad fiber amplifier

作　　者：李晓光[1] 胡贵军[1] 李公羽[1] 花景田[2] 张鹏[1] 

机构地区：[1]吉林大学通信工程学院光通信系,吉林长春130012 [2]长春职业技术学院,吉林长春130033

出　　处：《光电子．激光》2010年第6期841-844,共4页Journal of Optoelectronics·Laser

基　　金：吉林省科技发展计划重点资助项目(20090352);吉林省科技发展计划资助项目(20070522)

摘　　要：基于自行设计并搭建的Er/Yb共掺双包层光纤放大器,实验研究了自激振荡与抽运光和信号光功率之间的关系。结果表明:随着抽运光功率的增大,自激振荡也逐渐加强,并趋于饱和;在抽运光一定的情况下,增加入射信号光功率可以有效抑制放大器的自激振荡;当端面缺陷引起的光反射不可避免时,可以通过调整信号光或抽运光功率使其匹配来消除自激振荡,优化系统性能。Self-oscillations which are caused by the defects of fiber ends in Er/Yb co-doped double-clad fiber amplifier deteriorate the performance of amplifier.Based on the Er/Yb co-doped double-clad fiber amplifier which is designed and implemented by ourselves,the correlations between self-oscillations and signal power as well as self-oscillations and pump power are studied.The results indicate that the self-oscillations strengthen and tend to saturation with the increase of pump power.The oscillations will be restrained effectively by increasing the signal power when pump power is a constant variable.If the optical reflection caused by fiber end defects can not be avoided,the self-oscillations can be eliminated by adjusting the signal power or pump power.By using this method the system performance is optimized.

关 键 词：光纤放大器 自激振荡 端面缺陷 

分 类 号：TN248[电子电信—物理电子学]