MECHANISM FOR EFFICIENT BLUE 2ND-HARMONIC GENERATION IN PERIODICALLY SEGMENTED WAVE-GUIDES

被引：26

作者：

KHURGIN, J ^{[1
]}

COLAK, S ^{[1
]}

STOLZENBERGER, R ^{[1
]}

BHARGAVA, RN ^{[1
]}

机构：

[1] JOHNS HOPKINS UNIV,DEPT ELECT & COMP ENGN,BALTIMORE,MD 21218

来源：

APPLIED PHYSICS LETTERS | 1990年 / 57卷 / 24期

关键词：

D O I：

10.1063/1.103849

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present a theoretical investigation of the mechanisms responsible for the recently reported efficient type I blue second-harmonic generation in periodically segmented KTiOPO4:Rb,Tl waveguides. In these guides, grating-assisted phase matching of second-harmonic light between 390 and 480 nm has been achieved. 5-mm-long guides give output powers on the order of 1 mW at around 425 nm with fundamental powers in the 50-100 mW range. We show that such high efficiencies can be expected from strongly perturbed guides through terms representing the modulation of phase mismatch and mode size in addition to the nonlinear susceptibility and refractive index modulations.

引用

页码：2540 / 2542

页数：3

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