Abstract
We present two mode solvers applied to a very thin long–range plasmonic waveguide. We compare the guided mode complex effective index obtained either applying a Fourier modal method or calculating density of guided modes using the Green’s dyad technique. We achieve good agreement for both effective indices and mode profiles. We also observe a different behaviour compared to long–range surface plasmon supported by thicker films.
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Colas des Francs, G., Hugonin, JP. & Čtyroký, J. Mode solvers for very thin long–range plasmonic waveguides. Opt Quant Electron 42, 557–570 (2011). https://doi.org/10.1007/s11082-010-9428-5
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DOI: https://doi.org/10.1007/s11082-010-9428-5