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

页码：160 / 162

页数：3

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