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

AuthorsMartín-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
Magnetic multilayers
Magnetic thin films
Surface plasmons
Issue Date5-Nov-2010
PublisherAmerican Institute of Physics
CitationApplied Physics Letters, 97 (2010)
AbstractThe 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
Appears in Collections:(IMN-CNM) Artículos
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