Few-cycle mid-infrared laser based on nonlinear self-compression in solid thin plates

被引：9
|
作者：
Qian, Junyu [1 ,2 ,3 ]
Peng, Yujie [1 ,2 ]
Li, Yanyan [1 ,2 ]
Shao, Beijie [1 ,2 ,3 ]
Liu, Zhe [1 ,2 ]
Li, Wenkai [1 ,2 ]
Feng, Renyu [1 ,2 ,3 ]
Shen, Liya [1 ,2 ,4 ]
Leng, Yuxin [1 ,2 ]
Li, Ruxin [1 ,2 ]
机构：
[1] Chinese Acad Sci, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
[2] Chinese Acad Sci, CAS Ctr Excellence Ultraintense Laser Sci, Shanghai Inst Opt & Fine Mech SIOM, Shanghai 201800, Peoples R China
[3] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[4] ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 200031, Peoples R China
来源：
OPTICS LETTERS | 2021年 / 46卷 / 19期
基金：
中国国家自然科学基金;
关键词：
SUPERCONTINUUM GENERATION; REFRACTIVE-INDEX; PULSES; FILAMENTATION; CRYSTALS; INTENSE; GAS;
D O I：
10.1364/OL.442105
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A few-cycle mid-infrared (MIR) laser is demonstrated via nonlinear self-compression in solid thin plates. In this novel solution, the anomalous material dispersion in the MIR band and the chirp induced by self-phase modulation are mutually compensated, which can achieve self-compression. Finally, with the 4 mu m laser injection with 4.8 mJ/155 fs and few-cycle pulses with 3.44 mJ, 29.4 fs are generated with a high efficiency of 71.7%, and the system maintains very good spectral stability in 10 days. Compared with other post-compression methods, this self-compression technique has the advantages of high efficiency and robust and large energy expansion scale, which can be further extended to MIR lasers with other wavelengths and higher peak power. (C) 2021 Optical Society of America
引用
收藏
页码：5075 / 5078
页数：4
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