High-efficiency terahertz generation combined with cavity phase matching and quasi-phase matching

被引：1
|
作者：
Zeng, Shijia [1 ]
Xie, Fangsen [1 ]
Rao, Zhiming [1 ,2 ]
机构：
[1] Jiangxi Normal Univ, Coll Phys & Commun Elect, 99 Ziyang Rd, Nanchang 330022, Jiangxi, Peoples R China
[2] Huazhong Univ Sci & Technol, Coll Optoelect Sci & Engn, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
来源：
JOURNAL OF OPTICS-INDIA | 2019年 / 48卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Difference frequency generation; Cavity phase matching; Quasi-phase matching; Terahertz generation; DIFFERENCE-FREQUENCY-GENERATION; PARAMETRIC OSCILLATOR;
D O I：
10.1007/s12596-019-00511-7
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
High-efficiency terahertz generation by difference frequency generation (DFG) combined with cavity phase matching (CPM) and quasi-phase matching (QPM) is predicted in this paper. Numerical simulations show that the power conversion efficiency can reach a maximum value of 1.63%, which corresponds to a photon conversion efficiency of 66%. The efficiency is increased by similar to 10(2) times when compared with the DFG based on CPM or QPM. This phase matching method is expected to become a substitute for a single CPM or QPM.
引用
收藏
页码：129 / 133
页数：5
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