Highly efficient terahertz generation from periodically-poled RbTiOPO4

被引：0

作者：

李忠洋 ^{[1
]}

王孟涛 ^{[1
]}

王思磊 ^{[1
]}

徐德刚 ^{[2
]}

姚建铨 ^{[2
]}

机构：

[1] College of Electric Power,North China University of Water Resources and Electric Power

[2] Institute of Laser and Opto-electronics,College of Precision Instrument and Opto-electronics Engineering,Tianjin University

来源：

Optoelectronics Letters | 2017年 / 13卷 / 02期

基金：

中国国家自然科学基金;

关键词：

THz; DFG; Highly efficient terahertz generation from periodically-poled RbTiOPO4;

D O I：

暂无

中图分类号：

O441.4 [电磁波与电磁场];

学科分类号：

0809 ;

摘要：

Terahertz(THz) generation by periodically-poled RbTiOPO4(PPRTP) with a quasi-phase-matching scheme based on cascaded difference frequency generation(DFG) processes is theoretically analyzed. The cascaded Stokes and anti-Stokes interaction processes are investigated from coupled wave equations. The THz intensities and quantum conversion efficiency are calculated. Compared with that of non-cascaded DFG processes, the THz intensity in 7-order cascaded DFG processes is increased to 2.95 times. The quantum conversion efficiency of 149.9% in cascaded processes can be realized, which exceeds the Manley-Rowe limit.

引用

页码：127 / 130

页数：4

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