BLUE-LIGHT GENERATION BY FREQUENCY DOUBLING OF A LASER DIODE IN A PERIODICALLY DOMAIN-INVERTED LITAO3 WAVE-GUIDE

被引：30

作者：

YAMAMOTO, K

MIZUUCHI, K

机构：

[1] Optical Devices Research Laboratory, Components and Devices Research Center, Matsushita Electric Industrial Co., Ltd.

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1992年 / 4卷 / 05期

关键词：

D O I：

10.1109/68.136477

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We report quasi-phase matched second-harmonic generation by frequency doubling of a laser diode in LiTaO3 having a first-order periodically domain-inverted region and proton-exchanged channel waveguide. A deep domain-inverted region and a low-loss channel waveguide with strong confinement are formed by using proton-exchange and quick heat treatment techniques. Utilizing this structure, a high normalized conversion efficiency of 157%/W is obtained with a Ti:Al2O3 laser. Using a temperature-controlled laser diode and AR coating on the input and output facet of the waveguide, the laser diode maintains single-mode oscillation without any mode hopping. Consequently, 1.1 mW of blue light is obtained at a wavelength of 436.5 nm.

引用

页码：435 / 437

页数：3

共 13 条

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