Passively Q-switched mode-locked thulium-doped fiber laser using nonlinear polarization rotation technique

被引:9
|
作者
Duran-Sanchez, Manuel [1 ]
Espinosa-De-La-Cruz, Edwin A. [1 ]
Pottiez, Olivier [3 ]
Ibarra-Garrido, Adalid [1 ]
Alaniz-Baylon, Jared [2 ]
Bello-Jimenez, Miguel [2 ]
Rodriguez-Morales, Luis Alberto [3 ]
Armas-Rivera, Ivan [1 ]
Ibarra-Escamilla, Baldemar [1 ]
机构
[1] Inst Nacl Astrofis Opt & Electr, Luis Enrique Erro,Sta Maria Tonantzintla, Puebla 72824, Mexico
[2] Univ Autonoma San Luis Potosi, Inst Invest Comunicac Opt, Ave Karakorum, SLP 78210, Mexico
[3] Ctr Invest Opt AC, Loma Bosque 115,Col Lomas Campestre, Leon 37115, Gto, Mexico
关键词
Fiber laser; Q-switched mode locking (QML); Noise-like pulse (NLP); NOISE-LIKE PULSES; GENERATION; MULTIWAVELENGTH; OPERATION; GRAPHENE; LOCKING;
D O I
10.1016/j.ceramint.2023.02.056
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A Q-switched mode-locked (QML) thulium-doped fiber laser based on nonlinear polarization rotation (NPR) and negative group velocity dispersion (GVD) is demonstrated. This regime consists in the generation of a modelocked (ML) pulse train under a Q-switched (QS) envelope. In this regard, by properly adjusting the polarization controllers and increasing the pump power in a range from 1 to 3 W, QML regime is obtained. With a maximum pump power of 3 W, a QS pulse duration of 1.46 mu s and a pulse energy of 5.96 mu J are obtained. The maximum frequencies reached are 26 kHz and 2.63 MHz, corresponding to the Q-switched and mode-locked pulses, respectively. This method for generating a QML at 2 mu m has the advantages of being eye-safe and robust, providing an ideal dual-frequency comb (DFC) generation method with high potential for various applications.
引用
收藏
页码:41230 / 41237
页数:8
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