摘要
基于速率方程和光传输方程 ,对双包层Er3 + /Yb3 + 共掺光纤放大器的计算模型进行了讨论 ,并利用数值模拟结果对 980nm激光抽运双包层Er3 + /Yb3 + 共掺光纤放大器Er3 + 上能级粒子数的分布特性进行了分析。分别给出了正向抽运和反向抽运条件下 ,Er3 + 归一化上能级粒子数分布曲线。
Based on the rate equations and light propagation equations,the model of Er 3+/Yb 3+ co-doped double clad fiber amplifiers has been discussed,and the population distribution characteristics of Er 3+ upper level in Er 3+/Yb 3+ co-doped double clad fiber amplifier pumped at 980nm bands have been analyzed by using the results of numerical simulation.The normalized population distribution curves of Er 3+ upper level have been obtained under two different pump schemes,namely co- and counter-propagations. The distribution characteristic of signal has also been analyzed by using the normalized population distribution curves of Er 3+ upper level.
出处
《激光技术》
CAS
CSCD
北大核心
2004年第4期379-382,409,共5页
Laser Technology
关键词
光纤放大器
双包层光纤
铒镱共掺
粒子数分布
fiber amplifiers
double-clad fiber
erbium-ytterbium co-doped
population distribution
