Tunable,High-Order Harmonically Mode-Locked All-Normal-Dispersion Ytterbium Fiber Laser  

作　　者：吕志国 滕浩 王立娜 王睿 魏志义 

机构地区：[1]School of Physics and Optoelectronic Engineering, Xidian University, Xi'an 710071 [2]Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190

出　　处：《Chinese Physics Letters》2015年第8期74-77,共4页中国物理快报（英文版）

基　　金：Supported by the National Key Technology R&D Program of the Ministry of Science and Technology under Grant No2012BAC23B03;the National Key Basic Research Program of China under Grant No 2013CB922401;the National Natural Science Foundation of China under Grants No 11474002

摘　　要：We report the generation of passively tunable high peak signal-to-noise ratio harmonic mode-locked （HML） all- normal-dispersion Yb-doped fiber laser with a single birefringent filter in a ring cavity configuration. The highest fourth harmonic of the fundamental mode-locked frequency at a repetition rate of 88 MHz is obtained. The pulses are compressed to 627fs by using an external grating-pair compressor. For the fourth HML output, the peak signal-to-noise ratio of the rf is 73dB and the average power is as high as 110mW with the pump power of 500mW. Soliton bunches which contain multipulses are also observed in the weak mode-locked regime of the HML, and the separation between interpulses in a dissipative soliton bunch can be controlled by adjustment of the waveplates and spectral filter in the cavity：We report the generation of passively tunable high peak signal-to-noise ratio harmonic mode-locked （HML） all- normal-dispersion Yb-doped fiber laser with a single birefringent filter in a ring cavity configuration. The highest fourth harmonic of the fundamental mode-locked frequency at a repetition rate of 88 MHz is obtained. The pulses are compressed to 627fs by using an external grating-pair compressor. For the fourth HML output, the peak signal-to-noise ratio of the rf is 73dB and the average power is as high as 110mW with the pump power of 500mW. Soliton bunches which contain multipulses are also observed in the weak mode-locked regime of the HML, and the separation between interpulses in a dissipative soliton bunch can be controlled by adjustment of the waveplates and spectral filter in the cavity：

关 键 词：Tunable High-Order Harmonically Mode-Locked All-Normal-Dispersion Ytterbium Fiber Laser 

分 类 号：TN248[电子电信—物理电子学]