A theoretical and experimental study on all-normal-dispersion Yb-doped mode-locked fiber lasers

被引:9
|
作者
Chi Jun-Jie [1 ]
Li Ping-Xue [1 ]
Yang Chun [1 ]
Zhao Zi-Qiang [1 ]
Li Yao [2 ]
Wang Xiong-Fei [2 ]
Zhong Guo-Shun [2 ]
Zhao Hong [2 ]
Jiang Dong-Sheng [2 ]
机构
[1] Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
[2] Sci & Technol Solid State Laser Lab, Beijing 100015, Peoples R China
关键词
all-normal-dispersion; nonlinear polarization rotation; mode-locked; Yb-doped fiber laser; NONLINEAR POLARIZATION ROTATION; OPTICAL FIBERS; RING LASER; COMPENSATION; LOCKING; SYSTEM;
D O I
10.1088/1674-1056/22/4/044204
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report on a theoretical and experimental study of an all-normal-dispersion (ANDi) Yb-doped mode-locked fiber laser, in which nonlinear polarization rotation (NPR) is used to realize mode-locking without any dispersion compensation. Based on the coupled nonlinear Schrodinger (CNLS) equation, a model simulating the mode-locked process of an all-normal-dispersion ring fiber laser is developed, which shows that the achievement of stable mode-locking depends on the alignment of the polarization controller (PC) along the fast-polarization axis of the fiber, the birefringence intensity, and the net cavity dispersion. According to the theoretical analysis, stable mode-locked pulses with pulse duration 300 ps and average output power 33.9 mW at repetition rate 36 MHz are obtained.
引用
收藏
页数:6
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