Passively harmonic mode-locked pulses in thulium-doped fiber laser based on nonlinear polarization rotation

被引:12
|
作者
Jia, Qingsong [1 ,2 ]
Wang, Tianshu [1 ,3 ]
Ma, Wanzhuo [1 ,2 ]
Liu, Peng [1 ,3 ]
Zhang, Peng [1 ,2 ]
Bo, Baoxue [2 ]
Zhang, Yan [1 ,2 ]
机构
[1] Changchun Univ Sci & Technol, Natl & Local Joint Engn Res Ctr Space Optoelect T, 7186 Weixing Rd, Changchun 130022, Jilin, Peoples R China
[2] Changchun Univ Sci & Technol, Coll Optoelect Engn Sci & Technol Mans, 7186 Weixing Rd, Changchun 130022, Jilin, Peoples R China
[3] Changchun Univ Sci & Technol, Coll Sci Sci & Technol Mans, 7186 Weixing Rd, Changchun 130022, Jilin, Peoples R China
基金
中国国家自然科学基金;
关键词
thulium-doped fiber laser; harmonic mode-locking; nonlinear polarization rotation; SUPERCONTINUUM GENERATION; OSCILLATOR; SOLITON;
D O I
10.1117/1.OE.55.10.106121
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A simple approach to generate passively harmonic mode-locked pulse trains in thulium-doped fiber laser based on nonlinear polarization rotation is proposed and demonstrated. Three different ways of mode-locked techniques have been employed in our structure to generate passively high-order harmonic mode-locked pulse trains; 128th-order passively harmonic mode-locked pulse train is achieved in the experiment and the repetition rate is 406.8 MHz. With the increase of the pump power, multiwavelength output can be tuned. A segment of dispersion compensation fiber is used to compensate the dispersion in the cavity; thus, the single pulse width is compressed from 617 to 48 ps. (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
引用
收藏
页数:7
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