All-fiber GHz few-cycle pulse generation at 2 µm

被引：0

作者：

Liang, Zhaoheng ^{[1
]}

Pan, Minjie ^{[1
]}

Lin, Wei ^{[1
]}

Zhang, Nan ^{[1
]}

Wen, Junpeng ^{[1
]}

Chen, Xuewen ^{[1
]}

Ling, Lin ^{[1
]}

Li, Zihan ^{[1
]}

Wei, Xiaoming ^{[1
,2
]}

Yang, Zhongmin ^{[1
,2
,3
]}

机构：

[1] School of Physics and Optoelectronics, South China University of Technology, Guangzhou,510640, China

[2] School of Materials Science and Engineering, Guangdong Engineering Technology Research, Development Center of Special Optical Fiber Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, South China Univ

[3] Research Institute of Future Technology, South China Normal University, Guangdong, Guangzhou,510006, China

来源：

Optics Letters | 2024年 / 49卷 / 19期

基金：

中国国家自然科学基金;

关键词：

Fiber lasers - Laser mode locking - Mode-locked fiber lasers - Optical frequency conversion - Pulse repetition rate - Pulsed laser applications - Single mode fibers - Supercontinuum generation - Ultrafast lasers;

D O I：

10.1364/OL.534971

中图分类号：

学科分类号：

摘要：

We demonstrate an all-fiber GHz mode-locked laser system with few-cycle duration operating at 2 µm. Based on a dispersion-managed mode-locked oscillator, a multi-stage fiber amplifier, and a nonlinear pulse compressor, the laser system can deliver watt-level few-cycle pulses at a fundamental repetition rate of 1.041 GHz. This 2-µm pulsed laser offers outstanding performance metrics, including a pulse duration of 33 fs (corresponding to ∼5 optical cycles) and an average power of 4.17 W. Moreover, the all-fiber laser system exhibits excellent power stability, and the integrated relative intensity noise (RIN) is only 0.052% (10 Hz–1 MHz). It is anticipated that this new, to the best of our knowledge, laser source is promising for frontier applications, including coherent supercontinuum generation, nonlinear frequency conversion, and laser–material interaction. © 2024 Optica Publishing Group. All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.

引用

页码：5356 / 5359

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