双包层Er-Yb共掺光纤放大器上能级粒子数分布研究  

Study on the Upper State Population Distribution of Double Cladding Erbium-ytterbium Co-doped Fiber Amplifiers

作　　者：夏贵进[1] 张居梅[1] 何海光[1] 

机构地区：[1]西安通信学院通信工程系,陕西西安710106

出　　处：《光子学报》2004年第6期654-657,共4页Acta Photonica Sinica

基　　金：西安通信学院 2 0 0 3年度科研项目资助课题

摘　　要：基于速率方程和功率传播方程 ,数值分析了双包层Er Yb共掺光纤放大器在波长为 972nm的泵浦光作用下 ,分别采用三种不同泵浦方式 ,其Er3+ 和Yb3+ 上能级粒子数分布情况 .数值结果表明 ,Er3+ 上能级粒子数分布受信号功率影响作用大 ,激发率基本保持在 5 0 %以上 ;Yb3+ 上能级粒子数分布受泵浦功率影响作用大 ,激发率基本保持在 10 %以下 ,该结论对双包层Er Yb共掺光纤放大器的性能研究具有一定指导意义 .Based on rate and power propagation equations, the upper state population distribution of Er 3+ and Yb 3+ of an double cladding erbium-ytterbium co-doped fiber amplifier was analyzed numerically under three different 972 nm pumping scheme. It was shown that the upper state population distribution of Er 3+ is chiefly affected by signal power and its lasing rate is almost kept upward of 50%; and that the upper state population distribution of Yb 3+ is chiefly affected by pump power and its lasing rate is almost kept under 10%. The results could be important for the characteristic investigation of double cladding erbium-ytterbium co-doped fiber amplifiers.

关 键 词：光纤放大器 双包层光纤 上能级 粒子数分布 

分 类 号：TN248[电子电信—物理电子学]