Enhancement of the magnetic modulation of surface plasmon polaritons in Au/Co/AuFilms

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Title:	Enhancement of the magnetic modulation of surface plasmon polaritons in Au/Co/AuFilms
Authors:	Martín-Becerra, Diana ; González-Díaz, Juan B. ; Temnov, Vasily V.; Cebollada, Alfonso ; Armelles Reig, Gaspar ; Thomay, Tim; Leitenstorfer, Alfred; Bratschitsch, Rudolf; García-Martín, Antonio ; González Sagardoy, María Ujué
Keywords:	Cobalt Gold Magnetic multilayers Magnetic thin films Polaritons Surface plasmons
Issue Date:	5-Nov-2010
Publisher:	American Institute of Physics
Citation:	Applied Physics Letters, 97 (2010)
Abstract:	The deposition of a dielectric overlayer on top of Au/Co/Au multilayer films can significantly enhance the magnetic field induced modulation of the surface plasmon polariton (SPP) wave vector. This enhancement is analyzed as a function of the thickness of the dielectric overlayer and the associated SPP electromagnetic field confinement and redistribution. The decrease in SPP propagation distance is taken into account by analyzing an adequate figure of merit.
Publisher version (URL):	http://dx.doi.org/10.1063/1.3512874
URI:	http://hdl.handle.net/10261/28972
DOI:	10.1063/1.3512874
ISSN:	0003-6951
Appears in Collections:	(IMN-CNM) Artículos

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