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Classical Analog of Electromagnetically Induced Absorption in Plasmonics

Taubert, Richard and Hentschel, Mario and Kästel, Jürgen and Giessen, Harald (2012) Classical Analog of Electromagnetically Induced Absorption in Plasmonics. Nano Letters, 12, pp. 1367-1371. ACS Publications. DOI: 10.1021/nl2039748.

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Official URL: http://pubs.acs.org/doi/abs/10.1021/nl2039748

Abstract

The ability to manipulate the phase shift between two resonantly coupled plasmonic oscillators in a controlled fashion has been unavailable up to now. Here we present a strategy to overcome this limitation by employing the benefits of near-field coupling on the one hand and retardation effects due to far-field coupling on the other hand. We theoretically and experimentally demonstrate that in the intermediate regime the coupling of a broad dipolar to a narrow dark quadrupolar plasmon resonance is possible while simultaneously allowing for a retardation-induced phase shift. This leads to constructive interference and enhanced absorption. The observed phenomenon can thus be termed a classical analog of electromagnetically induced absorption.

Document Type:Article
Title:Classical Analog of Electromagnetically Induced Absorption in Plasmonics
Authors:
AuthorsInstitution or Email of Authors
Taubert, Richard4th Physics Institute and Research Center SCoPE, University of Stuttgart, D-70569 Stuttgart, Germany
Hentschel, MarioMax Planck Institute for Solid State Research, Heisenbergstrasse 1, D-70569 Stuttgart, Germany
Kästel, Jürgenjuergen.kaestel@dlr.de
Giessen, Harald4th Physics Institute and Research Center SCoPE, University of Stuttgart, D-70569 Stuttgart, Germany
Date:2012
Journal or Publication Title:Nano Letters
Refereed publication:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:12
DOI:10.1021/nl2039748
Page Range:pp. 1367-1371
Publisher:ACS Publications
Status:Published
Keywords:elektromagnetisch induzierte Absorption
HGF - Research field:other
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:no assignement
DLR - Program:no assignment
DLR - Research theme (Project):other
Location: Stuttgart
Institutes and Institutions:Institute of Technical Physics
Deposited By: Jürgen Kästel
Deposited On:19 Sep 2012 14:31
Last Modified:12 Dec 2013 21:46

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