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Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2009

Integrated plasmonic waveguides: A mode solver based on density of states formulation

Résumé

We express the density of states (DOS) near guided resonances of plasmonic waveguides by using multiple-scattering theory. In direct analogy with the case of localized electronic defect states in condensed matter, we demonstrate that optical DOS variations follow a lorentzian profile near guided modes resonances. The lorentzian shape gives quantitative information on the guided modes (effective index, propagation length, and polarization state). We numerically investigate both leaky and bound (lossy) modes supported by dielectric-loaded surface-plasmon-polariton waveguides.
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hal-00472370 , version 1 (11-04-2010)

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Gérard Colas Des Francs, Jonathan Grandidier, Sebastien Massenot, Alexandre Bouhelier, Jean-Claude Weeber, et al.. Integrated plasmonic waveguides: A mode solver based on density of states formulation. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2009, 80, pp.115419. ⟨10.1103/PhysRevB.80.115419⟩. ⟨hal-00472370⟩
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