Enhanced Third-Harmonic Generation in Silicon Nanoparticles Driven by Magnetic Response

被引：536

作者：

Shcherbakov, Maxim R. ^{[1
]}

Neshev, Dragomir N. ^{[2
]}

Hopkins, Ben ^{[2
]}

Shorokhov, Alexander S. ^{[1
]}

Staude, Isabelle ^{[2
]}

Melik-Gaykazyan, Elizaveta V. ^{[1
]}

Decker, Manuel ^{[2
]}

Ezhov, Alexander A. ^{[1
]}

Miroshnichenko, Andrey E. ^{[2
]}

Brener, Igal ^{[3
]}

Fedyanin, Andrey A. ^{[1
]}

Kivshar, Yuri S. ^{[2
]}

机构：

[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia

[2] Australian Natl Univ, Res Sch Phys & Engn, Nonlinear Phys Ctr, Canberra, ACT 0200, Australia

[3] Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM 87185 USA

来源：

NANO LETTERS | 2014年 / 14卷 / 11期

基金：

澳大利亚研究理事会; 俄罗斯科学基金会; 俄罗斯基础研究基金会;

关键词：

nonlinear optics; third-harmonic generation; silicon nanoparticles; optical magnetism; multiple decomposition; METAMATERIALS; RESONANCES; EMISSION; LIGHT;

D O I：

10.1021/nl503029j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We observe enhanced third-harmonic generation from silicon nanodisks exhibiting both electric and magnetic dipolar resonances. Experimental characterization of the nonlinear optical response through third-harmonic microscopy and spectroscopy reveals that the third-harmonic generation is significantly enhanced in the vicinity of the magnetic dipole resonances. The field localization at the magnetic resonance results in two orders of magnitude enhancement of the harmonic intensity with respect to unstructured bulk silicon with the conversion efficiency limited only by the two-photon absorption in the substrate.

引用

页码：6488 / 6492

页数：5

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