Fano Resonances in All-Dielectric Oligomers

被引：288

作者：

Miroshnichenko, Andrey E. ^{[1
]}

Kivshar, Yuri S. ^{[1
]}

机构：

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

来源：

NANO LETTERS | 2012年 / 12卷 / 12期

基金：

澳大利亚研究理事会;

关键词：

Fano resonance; all-dielectric oligomers; light scattering; Mie theory; PLASMONIC NANOSTRUCTURES; SYMMETRY-BREAKING; SCATTERING; MODES; INTERFERENCE; NANOCLUSTERS;

D O I：

10.1021/nl303927q

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We demonstrate that light scattering by all-dielectric oligomers exhibits well-pronounced Fano resonances with strong suppression of the scattering cross section. Our analysis reveals that this type of the Fano resonance originates from the optically induced magnetic dipole modes of individual high-dielectric nanoparticles. By comparing to the plasmonic analogues, we observe that Fano resonances in all-dielectric oligomers are less sensitive to structural variations, which makes them promising for future applications in nanophotonics.

引用

收藏

页码：6459 / 6463

页数：5

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