Fluorescence quenching by a metal nanoparticle in the extreme near-field regime

被引：44

作者：

Castanie, E. ^{[1
]}

Boffety, M. ^{[1
,2
]}

Carminati, R. ^{[1
]}

机构：

[1] ESPCI ParisTech, Inst Langevin, CNRS UMR 7587, F-75231 Paris 05, France

[2] Ecole Cent Paris, Lab EM2C, CNRS UPR 288, F-92295 Chatenay Malabry, France

来源：

OPTICS LETTERS | 2010年 / 35卷 / 03期

关键词：

SPONTANEOUS EMISSION; GOLD NANOPARTICLES; OPTICAL ANTENNAS; MOLECULE; ELECTRODYNAMICS; SURFACES;

D O I：

10.1364/OL.35.000291

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study the spontaneous decay rate of a dipole emitter close to a metallic nanoparticle in the extreme near-field regime. The metal is modeled using a nonlocal dielectric function that accounts for the microscopic length scales of the free electron gas. We describe quantitatively the crossover between the macroscopic and microscopic regimes and the enhanced nonradiative decay due to microscopic interactions. Our theory is in agreement with results previously established in the asymptotic near- and far-field regimes. (C) 2010 Optical Society of America

引用

页码：291 / 293

页数：3

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