Enhancement of Second-Harmonic Generation from Metal Nanoparticles by Passive Elements

被引：120

作者：

Czaplicki, Robert ^{[1
]}

Husu, Hannu ^{[1
,3
]}

Siikanen, Roope ^{[1
]}

Makitalo, Jouni ^{[1
]}

Kauranen, Martti ^{[1
]}

Laukkanen, Janne ^{[2
]}

Lehtolahti, Joonas ^{[2
]}

Kuittinen, Markku ^{[2
]}

机构：

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

[2] Univ Eastern Finland, Dept Math & Phys, FI-80101 Joensuu, Finland

[3] Ctr Metrol & Accreditat MIKES, FI-02151 Espoo, Finland

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 110卷 / 09期

基金：

芬兰科学院;

关键词：

YAGI-UDA ANTENNA; GOLD NANOPARTICLES; PLASMONIC NANOANTENNAS; MAGNETIC METAMATERIALS; LIGHT; EMISSION; ARRAYS; PARTICLE;

D O I：

10.1103/PhysRevLett.110.093902

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We prepare arrays of gold nanoparticles that include both noncentrosymmetric particles with a second-order nonlinear optical response (active particles) and centrosymmetric particles with no second-order response (passive particles). The plasmon resonances of the active and passive particles are at distinct wavelengths, yet the passive particles modify the electromagnetic modes of the structure in such a way that second-harmonic generation from the active particles is enhanced. Our results provide a completely new concept for optimizing the nonlinear responses of metamaterials. DOI: 10.1103/PhysRevLett.110.093902

引用

页数：5

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