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Proceedings Paper

Generation of surface plasmons with compact devices
Author(s): A. Baron; P. Lalanne; C. H. Gan; J. P. Hugonin
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Paper Abstract

We review the properties of the generation of surface plasmons by subwavelength isolated slits in metal films and by small ensembles of slits. After an introduction, in Section 2, we recall the theoretical modal formalism that allows us to calculate the generation efficiency of SPP from the total field scattered by an indentation on a metal film. We also rapidly discuss the main results known of the SPP generation efficiency by subwavelength tiny slits or grooves. In Section 3, we consider the special case of wavelength-large slits that support two propagative modes and that allow us to dynamically control the direction of generated surface plasmons. In Section 4, we conclude by describing a compact and efficient device capable of launching SPPs in a single direction with a normally incident beam.

Paper Details

Date Published: 6 March 2013
PDF: 10 pages
Proc. SPIE 8627, Integrated Optics: Devices, Materials, and Technologies XVII, 86270W (6 March 2013); doi: 10.1117/12.2002951
Show Author Affiliations
A. Baron, Institut d'Optique, CNRS (France)
P. Lalanne, Institut d'Optique, CNRS (France)
C. H. Gan, Institut d'Optique, CNRS (France)
J. P. Hugonin, Institut d'Optique, CNRS (France)


Published in SPIE Proceedings Vol. 8627:
Integrated Optics: Devices, Materials, and Technologies XVII
Jean Emmanuel Broquin; Gualtiero Nunzi Conti, Editor(s)

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