Giant enhancement of second-harmonic generation in multiple diffraction orders from sub-wavelength resonant waveguide grating

被引：18

作者：

Saari, A. ^{[1
]}

Genty, G. ^{[1
]}

Siltanen, M. ^{[1
,2
]}

Karvinen, P. ^{[3
]}

Vahimaa, P. ^{[3
]}

Kuittinen, M. ^{[3
]}

Kauranen, M. ^{[1
]}

机构：

[1] Tampere Univ Technol, Dept Phys, Opt Lab, FIN-33101 Tampere, Finland

[2] Univ Helsinki, Dept Chem, Phys Chem Lab, FIN-00014 Helsinki, Finland

[3] Univ Eastern Finland, Dept Math & Phys, FIN-80101 Joensuu, Finland

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 12期

基金：

芬兰科学院;

关键词：

FLUORESCENCE; EXCITATION;

D O I：

10.1364/OE.18.012298

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a purely dielectric resonant waveguide structure that enhances the efficiency of second-harmonic generation by a factor of at least 5500 compared to a flat reference surface in the same geometry. We also show that the structure emits second-harmonic radiation in four different directions when the sample is illuminated with fundamental radiation incident at the resonant angle of the sample. (C) 2010 Optical Society of America

引用

页码：12298 / 12303

页数：6

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