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
收藏
页码：127 / 130
页数：4
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