High-power nanosecond pulse generation from an integrated Tm-Ho fiber MOPA over 2.1 μm

被引：23
作者：
Yao, Weichao [1 ,2 ]
Shen, Chongfeng [2 ,3 ]
Shao, Zhenhua [1 ,2 ]
Liu, Qiyao [1 ,2 ]
Wang, Haotian [2 ,3 ]
Zhao, Yongguang [2 ,3 ]
Shen, Deyuan [1 ,2 ]
机构：
[1] Fudan Univ, Dept Opt Sci & Engn, Shanghai 200433, Peoples R China
[2] Jiangsu Normal Univ, Jiangsu Collaborat Innovat Ctr Adv Laser Technol, Xuzhou 221116, Peoples R China
[3] Jiangsu Normal Univ, Sch Phys & Elect Engn, Jiangsu Key Lab Adv Laser Mat & Devices, Xuzhou 221116, Peoples R China
来源：
OPTICS EXPRESS | 2018年 / 26卷 / 07期
关键词：
LASER; AMPLIFIER; NM; OPERATION; BANDWIDTH;
D O I：
10.1364/OE.26.008841
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we report on high-power stable nanosecond pulse generation at similar to 2.1 mu m from an integrated Tm-Ho all-fiber master oscillator power amplifier (MOPA) system. A total output power of 128.5 W is generated from the Tm-Ho hybrid MOPA, with an average power of 99.1 W from Ho emission at 2116 nm; the corresponding pulse repetition frequency and pulse width are 161 kHz and 322 ns, respectively, leading to a peak power of 1.91 kW. The Tm-Ho integrated master oscillator is designed to operate at 1980 and 2116 nm, where the former wavelength serves as the pump of the Ho-doped fiber. Stable laser pulses are generated from both the Tm and Ho oscillators owing to mutual modulation of emission from the two lasers. The prospects for further scaling in output power at similar to 2.1 mu m using Tm-Ho integrated MOPA system are discussed. (c) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：8841 / 8848
页数：8
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