Characteristics of pulse evolution in mode-locked thulium-doped fiber laser

被引：6
|
作者：
An, Ying [1 ,2 ]
Shen, Deyuan [1 ]
Zhao, Wei [1 ]
Long, Jingyu [1 ]
机构：
[1] Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2012年 / 285卷 / 07期
关键词：
Ultrafast lasers; Fiber lasers; Mode-locked lasers; SIDE-BAND GENERATION; NORMAL-DISPERSION; RING LASER; DISSIPATIVE SOLITONS; CAVITY DISPERSION; ENERGY;
D O I：
10.1016/j.optcom.2011.12.001
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have numerically investigated the characteristics of the pulse evolution in a passively mode-locked thulium-doped fiber laser with net anomalous cavity dispersion. For the fixed resonator configuration, single-, dual-, triple-, and quadruple-pulses are generated successively by enhancing the pump power or reducing the output ratio. The characteristics of the single or multiple pulses are investigated with various cavity lengths. The separation between the two coexisting pulses changes with the pump power due to the interaction between the soliton and the dispersive waves, and then the two randomly distributed pulses could finally evolve into a soliton pair with fixed separation. According to the results of the numerical simulation, the multiple pulses are found to be generated via pulse splitting and the pulse splitting threshold decreases with the increase of the cavity length. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1949 / 1953
页数：5
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