Theoretical analysis of terahertz parametric oscillator using KTiOPO4 crystal

被引：4
|
作者：
Li, Zhongyang [1 ]
Bing, Pibin [1 ]
Yuan, Sheng [1 ]
机构：
[1] North China Univ Water Resources & Elect Power, Coll Elect Power, Zhengzhou 450045, Henan, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2016年 / 82卷
基金：
中国国家自然科学基金;
关键词：
Terahertz parametric oscillator; Stimulated polariton scattering; KTP; DIFFERENCE-FREQUENCY-GENERATION; SPECTROSCOPY; KTP;
D O I：
10.1016/j.optlastec.2016.03.004
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Terahertz parametric oscillator (TPO) using KTiOPO4 (KTP) crystal with a noncollinear phase-matching scheme is investigated. Frequency tuning characteristics of terahertz wave (THz-wave) by varying the phase-matching angle and pump wavelength are analyzed. The expression of the effective parametric gain length under the noncollinear phase matching condition is deduced. Parametric gain and absorption characteristics of THz-wave in KTP are theoretically simulated for the first time. The characteristics of KTP for TPO are compared with MgO:LiNbO3. The analyses indicate that KTP is more suitable than MgO:LiNbO3 for TPO. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：108 / 112
页数：5
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