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ENHANCEMENT OF THE GUIDED-WAVE 2ND-HARMONIC GENERATION IN THE FORM OF CERENKOV RADIATION

被引：29
作者：
HAYATA, K
YANAGAWA, K
KOSHIBA, M
机构：
[1] Department of Electronic Engineering, Hokkaido University
来源：
APPLIED PHYSICS LETTERS | 1990年 / 56卷 / 03期
关键词：
D O I：
10.1063/1.102832
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A method for enhancing guided-wave second-harmonic generation (SHG) phase matched by a Cerenkov radiation scheme by means of tailoring the transverse (y direction) nonlinear susceptibility profile in the waveguide channel is proposed. Specifically, linear and domain-inverted (poled) channels embedded in a nonlinear substrate are considered, and the SHG efficiency for each structure is compared with that for the conventional nonlinear channel without domain inversion. Through electromagnetic field analysis, a significant enhancement of SHG is demonstrated, particularly with the domain inverted channel.
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页码：206 / 208
页数：3
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