Highly efficient terahertz generation from periodically poled lithium niobate

被引：0

作者：

Zhongyang Li

Silei Wang

Mengtao Wang

Weishu Wang

机构：

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

来源：

Journal of Optics | 2019年 / 48卷

关键词：

Terahertz wave; Cascaded difference frequency generation; Quasi-phase-matching;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Terahertz (THz) generation from periodically poled lithium niobate with a quasi-phase-matching scheme based on cascaded difference frequency generation (DFG) processes is theoretically analyzed. The cascaded Stokes interaction processes and the cascaded anti-Stokes interaction processes are investigated from coupled wave equations. THz intensities and quantum conversion efficiencies are calculated. Compared with non-cascading DFG processes, THz intensities from 15-order cascading DFG processes are increased to 7.7. The quantum conversion efficiency of 390.85% in cascaded processes can be realized, which exceeds the Manley–Rowe limit.

引用

页码：166 / 171

页数：5

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