FABRICATION AND CHARACTERIZATION OF PLANAR ION-EXCHANGED KTIOPO4 WAVE-GUIDES FOR FREQUENCY DOUBLING

被引：42
作者：
RISK, WP
机构：
来源：
APPLIED PHYSICS LETTERS | 1991年 / 58卷 / 01期
关键词：
D O I：
10.1063/1.104436
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Optical waveguides can be formed in potassium titanyl phosphate (KTiOPO4, KTP) crystals by an ion-exchange process. Waveguides were fabricated in KTP substrates by exchanging rubidium ions for potassium ions. The resulting refractive index profile was measured as a function of diffusion time and temperature. Based on these characterization measurements, the phase-matching properties of the planar waveguide for guided-wave second-harmonic generation were modeled. Second-harmonic generation of blue/green light was observed at wavelengths shorter than the bulk phase-matching limit, in good agreement with the results of numerical modeling.
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页码：19 / 21
页数：3
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