Energy Scaling of Terahertz Pulses Produced through Difference Frequency Generation

被引：0

作者：

白亚 ^{[1
]}

宋立伟 ^{[1
]}

刘鹏 ^{[1
,2
]}

李儒新 ^{[1
,2
]}

机构：

[1] State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences

[2] Collaborative Innovation Center of IFSA, Shanghai Jiao Tong University

来源：

Chinese Physics Letters | 2017年 / 01期

基金：

中国国家自然科学基金;

关键词：

DFG; Energy Scaling of Terahertz Pulses Produced through Difference Frequency Generation; length; THz;

D O I：

暂无

中图分类号：

O441 [电磁学];

学科分类号：

0809 ;

摘要：

We study the energy scaling of terahertz（THz） emission through difference frequency generation of near-infrared pulses, and demonstrate that Gigawatt few-cycle THz transients at the central frequency of 30 THz are produced from GaSe crystal pumped by two pulses at 1.65 and 1.95 micrometers, with the high quantum yield of 28%.Our analysis indicates that the high yield of DFG originates from the largely reduced group velocity mismatch as the long-wavelength pumping pulses are employed.

引用

页码：49 / 52

页数：4

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