Experimental cross-polarization detection of coupling far-field light to highly confined plasmonic gap modes via nanoantennas

  • We experimentally demonstrate the coupling of far-field light to highly confined plasmonic gap modes via connected nanoantennas. The excitation of plasmonic gap modes is shown to depend on the polarization, position, and wavelength of the incident beam. Far-field measurements performed in crossed polarization allow for the detection of extremely weak signals re-emitted from gap waveguides and can increase the signal-to-noise ratio dramatically.

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Author:Jing Wen, P. Banzer, A. Kriesch, D. Ploss, B. Schmauss, U. Peschel
Title of the journal / compilation:Applied Physics Letters 98.10 (2011): 05.11.2012 <http://apl.aip.org/resource/1/applab/v98/i10/p101109_s1>
Document Type:Article
Date of Publication (online):2012/11/05
Publishing Institution:Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
Release Date:2012/11/05
Tag:excitons; plasmonics; polaritons; surface plasmons
Original publication:Applied Physics Letters 98.10 (2011): 05.11.2012 <http://apl.aip.org/resource/1/applab/v98/i10/p101109_s1>
Institutes:Technische Fakultät -ohne weitere Spezifikation-
Dewey Decimal Classification:600 Technik, Technologie
PACS-Classification:71.36.+c Polaritons (including photon-phonon and photon-magnon interactions)
73.20.Mf Collective excitations (including excitons, polarons, plasmons and other charge-density excitations) (for collective excitations in quantum Hall effects, see 73.43.Lp)
73.22.Lp Collective excitations
Collections:Allianzlizenzen 2011

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