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Proceedings Paper

Total internal reflection noncollinear quasi-phase-matching PPLN OPO
Author(s): Baigang Zhang; Jianquan Yao; Yang Lu; Xin Ding; Degang Xu; Xuejin Li; Peng Wang
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Paper Abstract

The refractive index of the periodically poled lithium niobate (PPLN) is about twice as many as the refractive index of the air. When the rotation angle of the periodically poled crystal is bigger, the pump, signal and idler waves can form total internal reflection (TIR) inside the crystal, and the TIR noncollinear quasi-phase-matching (TIR-NQPM) optical parametric oscillator (OPO) can be realized if properly setting the angle of the OPO output coupler synchronously. In this paper, TIR-NQPM OPO based on PPLN pumped with a 1064nm all-solid-state laser is reported for the first time. In our experiment, the angle of rotation for PPLN is 5.57° and 1504~1542 nm of signal wavelength was achieved by tuning the work temperature from 140°C to 250°C. Although adjustment of the cavity is difficult for this method, it broadens the rotation range of angle-tuned QPM OPO. As a result, by one time or more than one time total internal reflections inside the crystal, TIR-NQPM has less limitation of the transverse size of the periodically poled crystal, and the output wavelength range could be increased remarkably.

Paper Details

Date Published: 28 January 2005
PDF: 6 pages
Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); doi: 10.1117/12.574926
Show Author Affiliations
Baigang Zhang, Tianjin Univ. (China)
Nankai Univ. (China)
Jianquan Yao, Tianjin Univ. (China)
Nankai Univ. (China)
Yang Lu, Tianjin Univ. (China)
Nankai Univ. (China)
Xin Ding, Tianjin Univ. (China)
Nankai Univ. (China)
Degang Xu, Tianjin Univ. (China)
Nankai Univ. (China)
Xuejin Li, Tianjin Univ. (China)
Nankai Univ. (China)
Peng Wang, Tianjin Univ. (China)
Nankai Univ. (China)


Published in SPIE Proceedings Vol. 5646:
Nonlinear Optical Phenomena and Applications
Qihuang Gong; Yiping Cui; Roger A. Lessard, Editor(s)

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