Influence of the magnetic field on the plasmonic properties of transparent Ni anti-dot arrays

Extraordinary optical transmission is observed due to the excitation of surface plasmon polaritons in 2-dimensional hexagonal anti-dot patterns of pure Ni thin films, grown on sapphire substrates. A strong enhancement of the polar Kerr rotation is recorded at the surface plasmon related transmission maximum. Angular resolved reflectivity measurements under an applied field reveal an enhancement and a shift of the normalized reflectivity difference upon reversal of the magnetic saturation (transverse magneto-optical Kerr effect-TMOKE). The change of the TMOKE signal clearly shows the magnetic field modulation of the dispersion relation of SPPs launched in a 2D patterned ferromagnetic Ni film. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4742931]

Östman, ErikUppsala universitet,Materialfysik(Swepub:uu)erios785 (author)
Keller, JanineUppsala universitet,Institutionen för fysik och astronomi (author)
Schmidt, JanUppsala universitet,Institutionen för fysik och astronomi (author)
Papaioannou, Evangelos Th.Uppsala universitet,Materialfysik(Swepub:uu)vanpa863 (author)
Kapaklis, VassiliosUppsala universitet,Materialfysik(Swepub:uu)vaska415 (author)
Arnalds, Unnar B.Uppsala universitet,Materialfysik(Swepub:uu)unnar368 (author)
Caballero, B. (author)
Garcia-Martin, A. (author)
Cuevas, J. C. (author)
Hjörvarsson, BjörgvinUppsala universitet,Materialfysik(Swepub:uu)bjorghvs (author)
Uppsala universitetMaterialfysik (creator_code:org_t)

By the author/editor: Melander, Emil; Östman, Erik; Keller, Janine; Schmidt, Jan; Papaioannou, Eva ...; Kapaklis, Vassil ...; show more...; Arnalds, Unnar B ...; Caballero, B.; Garcia-Martin, A ...; Cuevas, J. C.; Hjörvarsson, Bjö ...; show less...

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