Modelling of long-wave mid-infrared ultrashort pulse generation via difference frequency generation

被引：0
作者：
Su, Xinyang [1 ]
Luo, Xiaoyu [1 ]
Chen, Qingyu [1 ]
Chi, Xinyuan [1 ]
Tian, Zhaoyang [1 ]
Wang, Bolin [1 ]
Cao, Qian [2 ]
Sarkisov, Sergey [3 ]
Kobtsev, Sergey [4 ]
机构：
[1] Beijing Jiaotong Univ, Sch Phys Sci & Engn, Beijing 100044, Peoples R China
[2] Univ Shanghai Sci & Technol, Sch Opt Elect & Comp Engn, Shanghai 200093, Peoples R China
[3] Tomsk State Univ, R&D Ctr Adv Elect Technol, Synchrotron Radiat Detector Lab, Tomsk 634050, Russia
[4] Novosibirsk State Univ, Div Laser Phys & Innovat Technol, Novosibirsk 630090, Russia
来源：
OPTICS EXPRESS | 2024年 / 32卷 / 16期
基金：
中国国家自然科学基金;
关键词：
MU-M; GASE;
D O I：
10.1364/OE.530697
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, a model of generating mid-infrared (MIR) ultrashort laser pulse through difference frequency generation (DFG) is established. The pulse evolution relationship among the pump, signal, and idler pulses during the DFG process, as well as the effects of crystal length, pulse energy of the pump and signal lights, pulse width, and other factors on the characteristics of the MIR pulse are explored. Furthermore, through simulations from the time domain to the frequency domain, the spectral characteristics and angular distribution of MIR were analyzed. DFG experimental data are also presented to support the model.
引用
收藏
页码：28953 / 28967
页数：15
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