Investigation of two-beam-pumped quasi-parametric amplification

被引：0

作者：

Zhu, Wentao ^{[1
]}

Yanfang, Zhang ^{[1
]}

Wang, Jing ^{[1
]}

Ma, Jingui ^{[1
]}

Yuan, Eng

Zhang, Dongfang

Zhu, Heyuan ^{[2
]}

Qian, Liejia ^{[1
,3
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Phys & Astron, Key Lab Laser Plasma, Shanghai 200240, Peoples R China

[2] Fudan Univ, Dept Opt Sci & Engn, Key Lab Micro & Nano Photon Struct, Shanghai 200433, Peoples R China

[3] Shanghai Jiao Tong Univ, Tsung Dao Lee Inst, Shanghai 200240, Peoples R China

来源：

OPTICS EXPRESS | 2024年 / 32卷 / 22期

基金：

中国国家自然科学基金;

关键词：

CHIRPED-PULSE AMPLIFICATION; LASER; DIFFRACTION; GENERATION; RADIATION; EFFICIENT; KW;

D O I：

10.1364/OE.539270

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Multi-beam-pumped optical parametric amplification (OPA) may offer a solution for overcoming the limitations on the repetition rate and average power of ultraintense femtosecond lasers. However, multi-beam pumping scheme encounters challenges due to low conversion efficiency caused by parametric diffraction and inter-channel crosstalk, which are attributed to the presence of multi-idler-waves. This paper introduces and explores multi-beam-pumped quasi-parametric amplification (QPA) as an alternative approach to multi-beam-pumped OPA. We theoretically demonstrate that strong idler dissipation can significantly reduce inter-channel crosstalk and parametric diffraction in a two-beam-pumped QPA. These findings highlight the potential of multibeam-pumped QPA for efficiently amplifying femtosecond laser pulses to high average power levels with robustness.

引用

收藏

页码：39329 / 39339

页数：11

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