Hybrid optical parametric amplifier for few-cycle infrared and terahertz pulses generation

被引：0
|
作者：
Sang, Jianhua [1 ,2 ,3 ]
Gao, Jixing [1 ,2 ,3 ]
Li, Hongyang [1 ,2 ,4 ]
Fang, Yifei [1 ,2 ,3 ]
Song, Liwei [1 ,2 ,3 ]
Tian, Ye [1 ,2 ,3 ]
Li, Ruxin [1 ,2 ,3 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, CAS Ctr Excellence Ultraintense Laser Sci, Shanghai 201800, Peoples R China
[3] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[4] Tongji Univ, Sch Phys Sci & Engn, Shanghai 200092, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2025年 / 184卷
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
Optical parametric amplifier; Pulse duration; Optical differential frequency; Mid-infrared pulses; PHASE-STABLE PULSES; AMPLIFICATION; DYNAMICS; FIELDS; MV/CM; BAND;
D O I：
10.1016/j.optlastec.2025.112573
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate a hybrid optical parametric amplifier delivering few-cycle infrared and terahertz pulses. Different components of the white light seed are amplified successively generating broadband signal and idler pulses. After dispersion compensation, the signal pulses are compressed to 15.2 fs with a pulse energy of 380 mu J. Meanwhile, the idler pulses are employed to produce terahertz waves via different frequency generation. The generated frequency is tunable from 18 to 30 THz with a peak pulse energy of 4 mu J. The study provides a compact and scalable scheme for the generation of few-cycle infrared and terahertz waves.
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页数：4
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