20 April 2006 Electromagnetic coupling between localized and surface plasmons
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We report on the electromagnetic interactions between a two-dimensional periodic arrangement of resonant gold nanoparticles and a flat gold metallic film. We observe multi-peaks in the extinction spectra attributed to resonant modes of the hybrid system, resulting from the coupling between the Localized Plasmon of the nanoparticles with the underlying Surface Plasmon Mode. Simulations based on the Fourier modal method give good agreement with the experimental measurements and allow for the identification of the respective contributions.
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Jean Cesario, Jean Cesario, Stefan Enoch, Stefan Enoch, Romain Quidant, Romain Quidant, Gonçal Badenes, Gonçal Badenes, } "Electromagnetic coupling between localized and surface plasmons", Proc. SPIE 6195, Nanophotonics, 61950G (20 April 2006); doi: 10.1117/12.662033; https://doi.org/10.1117/12.662033

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