Second harmonic localization in nonlinear photonic crystals

被引：1
|
作者：
Centeno, E. [1 ]
Ciraci, C. [1 ]
Felbacq, D. [1 ]
Cassagne, D. [1 ]
机构：
[1] Univ Montpellier 2, GES UMR CNRS 5650, F-34095 Montpellier, France
来源：
PHOTONIC CRYSTAL MATERIALS AND DEVICES VIII | 2008年 / 6989卷
关键词：
second harmonic conversion; photonic crystals; left-handed systems;
D O I：
10.1117/12.779700
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We demonstrate an isotropic phase matching condition achieved in nonlinear 2D PhCs that suppresses the incident angle constraint [1]. In addition, we show a backward SH localization effect by combining this unusual all-angle phase matching and left-handed PhC properties. The SH emission is confined in a small area of dimension close to the pump wavelength without the introduction of defect lattices. An analytical model is proposed in order to explain this parametric localization mechanism.
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页数：10
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