LINBO3 WAVE-GUIDE 2ND-HARMONIC-GENERATION DEVICE PHASE MATCHED WITH A FAN-OUT DOMAIN-INVERTED GRATING

被引：67

作者：

ISHIGAME, Y

SUHARA, T

NISHIHARA, H

机构：

[1] Department of Electronics, Faculty of Engineering, Osaka University, Suita, Osaka, 565

来源：

OPTICS LETTERS | 1991年 / 16卷 / 06期

关键词：

D O I：

10.1364/OL.16.000375

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A LiNbO3 waveguide optical second-harmonic-generation (SHG) device, consisting of a channel waveguide array and a ferroelectric domain-inverted grating in a fan pattern for quasi-phase matching, is proposed. The structure has redundancy to absorb the residual phase mismatch caused by design uncertainties and fabrication errors. A SHG device of 3-mm interaction length was fabricated by domain inversion by Ti indiffusion and channel waveguide formation by annealed proton exchanging and reactive ion etching. A normalized SHG efficiency of 17%/W was experimentally obtained for pumping by a cw Nd:YAG laser.

引用

页码：375 / 377

页数：3

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