An all-fiber type Er3+/Yb3+ co-doped fiber laser

• 作 者: 李军 郭玉彬 王天枢 孙雅东 白冰 李晓滨 胡贵军
• 机 构: Department ot Optical Communication, College of Communication Engineering, Jilin University, Changch
• 出 处: 中国光学快报(英文版)
• 发表日期: 2003年9期
• 关键词: slope efficiency output power wavelength stability Bragg reflection fiber laser

In this paper, a distributed Bragg reflection (DBR) type Er3+/Yb3+ co-doped fiber laser of high output power and high slope efficiency was developed. Its gain medium was a 4.45-m-long Er3+/Yb3+ co-doped fiber. When it was pumped by a 1064-nm Nd:YAG, the linewidth of output laser was measured as 0.072nm by 3 dB and 0.192 nm by 25 dB at 1552.08 nm. The maximum output power was measured as 69 mW.Its power stability was ＜ 5%, side mode suppression ratio was 59 dB, and the output wavelength stability was ±0.01 nm. The laser had a threshold of 12 mW and a slope efficiency of 22%.