双包层Er^(3+)/Yb^(3+)共掺光纤放大器  

Double-clad Er^(3+)/Yb^(3+) Co-doped Fiber Amplifier

作　　者：王华[1] 李乙钢[1] 陈胜平[1] 朱剑平[1] 张炜[1] 刘胜利[1] 吕可诚[1] 

机构地区：[1]南开大学物理科学学院光电信息科学系,天津300071

出　　处：《光电子技术》2005年第4期234-238,共5页Optoelectronic Technology

基　　金：国家高技术研究发展计划(2003AA312100);国家自然科学基金重点项目(60137010)

摘　　要：详细描述了双包层E r3+/Y b3+共掺光纤放大器的基本原理和基本结构,介绍了此类光纤放大器在提高输出功率、提高增益、降低噪声及增益平坦等方面的研究进展,并报道了最新的实验结果:采用双包层E r3+/Y b3+共掺光纤放大器,实现了中心波长位于1 561 nm、3 dB带宽为8 nm、输出功率达1.16W超荧光输出,光光转换效率可达32%。In this paper, the basic principle and configurations of double-clad Er^3＋/Yb^3＋ co-doped fiber amplifier are described in detail. The research progress of this fiber amplifier is introduced, in aspects of enhancing output power, enhancing gain, reducing noise and gain flattening. The new experimental results are also reported. Using the double-clad Er^3＋/Yb^3＋ co-doped fiber amplifier, superfluorescence output is obtained, with the central wavelength at 1 561 nm, 3 dB bandwidth of 8 nm and 1.16 W output power. The optical conversion efficiency is up to 32%.

关 键 词：ER^3+/YB^3+共掺光纤 双包层 高功率 低噪声系数 增益平坦 

分 类 号：TN253[电子电信—物理电子学]