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research article

Surface plasmon coupling to nanoscale Schottky-type electrical detectors

Dufaux, Thomas
•
Dorfmueller, Jens
•
Vogelgesang, Ralf
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2010
Applied Physics Letters

We have investigated the near-field coupling of surface plasmons to a titanium/CdS nanowire interface for two different device configurations. A bare aluminum grating on an underlying aluminum layer exhibited the expected stronger electrical signal for perpendicular versus parallel light polarization. An opposite intensity ratio was detected when the grating and the Schottky contact are connected via an aluminum-silica-aluminum sandwich structure. Based upon finite difference time domain device simulations, the enhanced coupling for parallel polarization is attributed to the emergence of a transversal electric wave within the metal-insulator-metal structure. (C) 2010 American Institute of Physics. [doi:10.1063/1.3503534]

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Type
research article
DOI
10.1063/1.3503534
Web of Science ID

WOS:000283502100010

Author(s)
Dufaux, Thomas
Dorfmueller, Jens
Vogelgesang, Ralf
Burghard, Marko  
Kern, Klaus  
Date Issued

2010

Publisher

AIP American Institute of Physics

Published in
Applied Physics Letters
Volume

97

Issue

16

Article Number

161110

Subjects

Wave-Guides

•

Transport

•

Devices

•

Scale

•

Cds

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LSEN  
Available on Infoscience
December 16, 2011
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/75051
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