BROAD-BAND 2ND-HARMONIC GENERATION IN SRXBA1-XNB2O6 BY SPREAD-SPECTRUM PHASE-MATCHING WITH CONTROLLABLE DOMAIN GRATINGS

被引：115

作者：

HOROWITZ, M

BEKKER, A

FISCHER, B

机构：

[1] Department of Electrical Engineering, Advanced Optoelectronics Research Center, Technion-Israel Institute of Technology

来源：

APPLIED PHYSICS LETTERS | 1993年 / 62卷 / 21期

关键词：

D O I：

10.1063/1.109264

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have demonstrated, for the first time to our knowledge, second-harmonic generation for a broad input wavelength range of 750-1064 nm in SrxBa1-xNb2O6 crystals, with a controllable spread spectrum of quasiphase matching. Second-harmonic conversion efficiencies of up to approximately 1% were observed. This was done without any temperature or angular tuning of the crystal. The phase matching was obtained by inducing alternating ferroelectric domains in the crystal in real time, using a novel fixing process which is based on screening. The broadband capability of the conversion is allowed by a spread in the range of the domain widths.

引用

页码：2619 / 2621

页数：3

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