Upconversion blue laser by intracavity frequency self-doubling of periodically poled lithium tantalate parametric oscillator

被引：14
|
作者：
Lai, C. -M. [2 ]
Hu, I. -N. [1 ,3 ]
Lai, Y. -Y. [1 ,3 ]
Huang, Z. -X. [1 ,3 ]
Peng, L. -H. [1 ,3 ]
Boudrioua, A. [4 ]
Kung, A. -H. [5 ]
机构：
[1] Natl Taiwan Univ, Dept Elect Engn, Taipei 10764, Taiwan
[2] Ming Chuan Univ, Dept Elect Engn, Tao Yuan, Taiwan
[3] Natl Taiwan Univ, Inst Photon & Optoelect, Taipei 10764, Taiwan
[4] Univ Paris 13, CNRS, Inst Galilee, UMR CNRS 7538, F-93430 Villetaneuse, France
[5] Acad Sinica, Inst Atom & Mol Sci, Taipei, Taiwan
来源：
OPTICS LETTERS | 2010年 / 35卷 / 02期
关键词：
2ND-HARMONIC GENERATION; NIOBATE; WAVE; LINBO3; FIELD;
D O I：
10.1364/OL.35.000160
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a design for upconversion 435 nm blue lasers based on simultaneously fulfilling the nonlinear processes of optical parametric oscillation (OPO) and second-harmonic generation (SHG) in a 7.9 mu m periodically poled lithium tantalate (PPLT). The uncoated 15-mm-long PPLT device exhibits a low threshold of 150 mW and a differential slope efficiency of 22.6%, rendering 56 mW blue generation when pumped by a pulsed 532 nm green laser with an average power rating of 400 mW. These observations were attributed to a quasi-phase-matching (QPM) structural design with a 75% domain duty cycle to ensure the concurrence of frequency doubling with the first-order QPM-OPO PPLT device via the second-order QPM-SHG process. (C) 2010 Optical Society of America
引用
收藏
页码：160 / 162
页数：3
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