Continuous-wave intra-cavity singly resonant optical parametric oscillator with resonant wave output coupling

被引：11

作者：

Sheng, Quan ^{[1
,2
]}

Ding, Xin ^{[1
,2
]}

Shang, Ce ^{[1
,2
]}

Li, Bin ^{[1
,2
]}

Fan, Chen ^{[1
,2
]}

Zhang, Haiyong ^{[1
,2
]}

Yu, Xuanyi ^{[3
]}

Wen, Wuqi ^{[1
,2
]}

Ma, Yila ^{[1
,2
]}

Yao, Jianquan ^{[1
,2
]}

机构：

[1] Tianjin Univ, Inst Laser & Optoelect, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China

[2] Tianjin Univ, Minist Educ, Key Lab Optoelect Informat Technol, Tianjin 300072, Peoples R China

[3] Nankai Univ, Photon Res Ctr, Coll Phys Sci, Tianjin 300071, Peoples R China

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 25期

基金：

中国国家自然科学基金;

关键词：

FREQUENCY;

D O I：

10.1364/OE.20.027953

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report herein the enhancement in both power and efficiency performance of a continuous-wave intra-cavity singly resonant optical parametric oscillator (ICSRO) by introducing finite resonant wave output coupling. While coupling out the resonant wave to useful output, the output coupling increases the SRO threshold properly thus suppresses the back-conversion under high pump power. Therefore, the down-conversion efficiency is maintained under high pump without having to raise the threshold by defocusing. With a T = 9.6% signal wave output coupler used, the SRO threshold is 2.46 W and the down-conversion efficiency is 72.9% under the maximum pump power of 21.4 W. 1.43 W idler power at 3.66 mu m and 5.03 W signal power at 1.5 mu m are obtained, corresponding to a total extraction efficiency of 30.2%. The resonant wave out coupling significantly levels up the upper limit for the power range where the ICSRO exhibits high efficiency, without impeding its advantage of low threshold. (C) 2012 Optical Society of America

引用

页码：27953 / 27958

页数：6

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