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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Metadaten
Author:Jing Wen, P. Banzer, A. Kriesch, D. Ploss, B. Schmauss, U. Peschel
URN:urn:nbn:de:bvb:29-opus-37559
Document Type:Article
Language:English
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
SWD-Keyword:-
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 / Technische Fakultät -ohne weitere Spezifikation-
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 60 Technik / 600 Technik, Technologie
PACS-Classification:70.00.00 CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES / 71.00.00 Electronic structure of bulk materials (see section 73 for electronic structure of surfaces, interfaces, low-dimensional structures, and nanomaterials; for electronic structure of superconductors, see 74.25.Jb) / 71.36.+c Polaritons (including photon-phonon and photon-magnon interactions)
70.00.00 CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES / 73.00.00 Electronic structure and electrical properties of surfaces, interfaces, thin films, and low-dimensional structures (for electronic structure and electrical properties of superconducting films and low-dimensional structures, see 74.78.-w; for computational / 73.20.-r Electron states at surfaces and interfaces / 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)
70.00.00 CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES / 73.00.00 Electronic structure and electrical properties of surfaces, interfaces, thin films, and low-dimensional structures (for electronic structure and electrical properties of superconducting films and low-dimensional structures, see 74.78.-w; for computational / 73.22.-f Electronic structure of nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals / 73.22.Lp Collective excitations
Collections:Universität Erlangen-Nürnberg / Allianzlizenzen / Allianzlizenzen 2011

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