亚皮秒L波段掺铒全光纤锁模激光器  

Sub-Picosecond L-Band Erbium-Doped All Fiber Mode-Locked Laser

作　　者：贾浩天 王军利[1] 滕浩[2] 吕志国[1] 刘文军[3] 魏志义[2] Jia Haotian Wang Junli Teng Hao Lu Zhiguo Liu Wenjun Wei Zhiyi(School of Physics and Optoelectronic Engineering, Xidian University, Xi＇an, Shaanxi 710071, China Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences Beijing 100190, China State Key Laboratory of Information Photonics and Optical Communications, College of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China)

机构地区：[1]西安电子科技大学物理与光电工程学院,陕西西安710071 [2]中国科学院物理研究所北京凝聚态物理国家实验室,北京100190 [3]北京邮电大学理学院信息光子学与光通信国家重点实验室,北京100876

出　　处：《中国激光》2016年第11期45-50,共6页Chinese Journal of Lasers

基　　金：科技部重大仪器开发专项(2012YQ120047)

摘　　要：报道了一种L波段的高功率亚皮秒掺铒光纤激光器。在全光纤环形腔内熔接2个偏振控制器(PC)和偏振相关的光隔离器(ISO),基于非线性偏振旋转锁模原理实现了全光纤结构锁模激光脉冲输出。输出激光的中心波长为1603nm,脉冲重复频率为37.8 MHz,单脉冲能量为4nJ,平均输出激光功率为152mW。对此全光纤锁模激光器进行合理的色散控制,可得到脉冲宽度为370fs的锁模激光输出。实验中使用高掺杂浓度的掺铒光纤,有效减少了其使用长度,提高了抽运转换效率,实现了结构简单紧凑、性能稳定可靠的L波段亚皮秒光纤激光器。A L-band high power sub-picosecond erbium-doped fiber laser is reported. Two polarization controllers （PC） and a polarization dependent optical isolator （ISO） are fused in all fiber ring cavity, and the mode-locked laser pulse output of all fiber structure is realized based on nonlinear polarization rotation mode locking principle. The center wavelength of the laser is 1603 nm, the pulse repetition rate is 37.8 MHz, the single pulse energy is 4 nJ, and the average output laser power is 152 mW. Reasonable dispersion management is carried out on the all fiber mode-locked laser, and the mode-locked laser output with pulse width of 370 fs can be obtained. The erbium-doped fiber with high doping concentration is adopted in experiment, and its length is reduced effectively. The pump conversion efficiency is improved. The L-band sub-picosecond fiber laser with simple and compact structure, stable and reliable performance is realized.

关 键 词：光纤光学 掺铒光纤 光纤激光器 锁模激光器 

分 类 号：TN248.1[电子电信—物理电子学] O437[机械工程—光学工程]