High repetition rate gain-switched thulium-doped fiber laser pumped by 1.6 μm noise-like pulses

被引：4
作者：
Liu, Shuailin [1 ]
Dou, Zhiyuan [1 ]
Zhang, Bin [1 ,2 ,3 ]
Yang, Linyong [1 ,2 ,3 ]
Hou, Jing [1 ,2 ,3 ]
机构：
[1] Natl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China
[2] State Key Lab Pulsed Power Laser Technol, Changsha 410073, Peoples R China
[3] Hunan Prov Key Lab High Energy Laser Technol, Changsha 410073, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2021年 / 138卷
基金：
中国国家自然科学基金;
关键词：
Gain-switching; Fiber laser; High repetition rate; Noise-like pulse;
D O I：
10.1016/j.optlastec.2020.106856
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate a watt-level 2 mu m high repetition rate gain-switched thulium-doped fiber laser (TDFL) pumped by 1.6 mu m noise-like pulses (NLPs). Served as pump pulses, the hundred nanoseconds level NLPs from a mode-locked fiber laser are amplified to similar to 8 mu J by an Er:Yb co-doped fiber amplifier. Referring to simulative and experimental results of the gain-switched TDFL, the cavity parameters are adapted for the performance of the gain-switched pulse. The TDFL generates 1940 nm gain-switched pulses with the minimum pulse duration of 14.7 ns in the cavity length of 14 cm. The maximum output power reaches 2.44 W. The research firstly reports a gain-switched TDFL pumped by noise-like pulses and provide a method to generate high repetition rate gain-switched short pulse.
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页数：7
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