Tailored second harmonic generation from self-organized metal nano-wires arrays

被引：65

作者：

Belardini, Alessandro ^{[1
]}

Larciprete, Maria Cristina ^{[1
]}

Centini, Marco ^{[1
]}

Fazio, Eugenio ^{[1
]}

Sibilia, Concita ^{[1
]}

Bertolotti, Mario ^{[1
]}

Toma, Andrea ^{[2
,3
]}

Chiappe, Daniele ^{[2
,3
]}

de Mongeot, Francesco Buatier ^{[2
,3
]}

机构：

[1] Univ Roma La Sapienza, Dipartimento Energet, I-00161 Rome, Italy

[2] Univ Genoa, CNISM, I-16146 Genoa, Italy

[3] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 05期

关键词：

MAGNETIC METAMATERIALS; SURFACES;

D O I：

10.1364/OE.17.003603

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Here we report the second harmonic emission properties of self-organized gold nanowires arrays supported on dielectric substrates with a sub-wavelength periodic pattern. The peculiar morphology of the nanowires, which are locally tilted with respect to the average plane of the substrate, allows to generate maximum second harmonic signal at normal incidence with a polarization direction driven by the orientation of the wires (perpendicular to the wires). The generation efficiency was increased by tailoring the growth process in order to tune the metal plasmon resonance close to the pump field frequency and also by increasing the local tilt of the nanowires. (C) 2009 Optical Society of America

引用

页码：3603 / 3609

页数：7

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