Shaping the Fluorescent Emission by Lattice Resonances in Plasmonic Crystals of Nanoantennas

被引：346

作者：

Vecchi, G. ^{[1
]}

Giannini, V. ^{[1
]}

Rivas, J. Gomez ^{[1
]}

机构：

[1] Philips Res Labs, Ctr Nanophoton, FOM Inst AMOLF, NL-5656 AE Eindhoven, Netherlands

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 102卷 / 14期

关键词：

GOLD NANOPARTICLES; ENHANCEMENT;

D O I：

10.1103/PhysRevLett.102.146807

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate that the emission of light by fluorescent molecules in the proximity of periodic arrays of nanoantennas or plasmonic crystals can be strongly modified when the arrays are covered by a dielectric film. The coupling between localized surface plasmon resonances and photonic states leads to surface modes which increase the density of optical states and improve light extraction. Excited dye molecules preferentially decay radiatively into these modes, exhibiting an enhanced and directional emission.

引用

页数：4

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