Surface polaritons on metallic and semiconducting cylinders: A complex angular momentum analysis

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dc.creatorAncey, Stéphane
dc.creatorDécanini, Yves
dc.creatorFolacci, Antoine
dc.creatorGabrielli, Paul
dc.date2004-06-18
dc.date.accessioned2026-07-07T06:27:10Z
dc.date.available2026-07-07T06:27:10Z
dc.descriptionWe revisit scattering of electromagnetic waves from metallic and semiconducting cylinders in the framework of complex angular momentum techniques. We prove that "resonant surface polariton modes" are generated by a unique surface wave, i.e. a surface polariton, propagating close to the cylinder surface. This surface polariton corresponds to a particular Regge pole of the $S$-matrix of the cylinder. From the associated Regge trajectory we can construct semiclassically the spectrum of the complex frequencies of the resonant surface polariton modes which can be considered as Breit-Wigner-type resonances. Furthermore, by taking into account Stokes' phenomenon, we derive an asymptotic expression for the position in the complex angular momentum plane of the surface polariton Regge pole. We then describe semiclassically the surface polariton and provide analytical expressions for its the dispersion relation and its damping. All these features allow us to consider the photon-cylinder system as a kind of artificial atom where the photon plays the role of the electron. Finally, we briefly discuss the implication of our results for two-dimensional photonic crystals.
dc.identifierhttps://arxiv.org/abs/cond-mat/0406428
dc.identifierhttp://arxiv.org/abs/cond-mat/0406428
dc.identifierPhys. Rev. B70, 245406 (2004)
dc.identifierdoi:10.1103/PhysRevB.70.245406
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/97339
dc.subjectMaterials Science
dc.subjectOptics
dc.titleSurface polaritons on metallic and semiconducting cylinders: A complex angular momentum analysis
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