Soft proton exchange on periodically poled LiNbO3:: A simple waveguide fabrication process for highly efficient nonlinear interactions

被引：83

作者：

Chanvillard, L

Aschiéri, P

Baldi, P

Ostrowsky, DB

de Micheli, M

Huang, L

Bamford, DJ

机构：

[1] Univ Nice Sophia Antipolis, Phys Mat Condensee Lab, UMR 6622, F-06108 Nice 2, France

[2] Gemfire Corp, Palo Alto, CA 94303 USA

来源：

APPLIED PHYSICS LETTERS | 2000年 / 76卷 / 09期

关键词：

D O I：

10.1063/1.125948

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report a simple fabrication process for realizing waveguides on periodically poled lithium niobate which preserves both the nonlinearity and the domain inversion. This so-called soft proton exchange has been used to generate highly efficient optical parametric fluorescence in the 1.48-2.01 mu m region using a pump around 830 nm. The measured normalized efficiency is 130% W-1 cm(-2) for an effective interaction length of 1.3 cm. This experimental figure is very close to the maximum theoretically predicted value of 140% W-1 cm(-2). (C) 2000 American Institute of Physics. [S0003-6951(00)01609-0].

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页码：1089 / 1091

页数：3

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