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Article Dans Une Revue European Journal of Mechanics - A/Solids Année : 2023

Physically agnostic quasi normal mode expansion in time dispersive structures: From mechanical vibrations to nanophotonic resonances

André Nicolet
Carmen Campos
Jose Roman
Christophe Geuzaine
  • Fonction : Auteur

Résumé

Resonances, also known as quasi normal modes (QNM) in the non-Hermitian case, play an ubiquitous role in all domains of physics ruled by wave phenomena, notably in continuum mechanics, acoustics, electrodynamics, and quantum theory. In this paper, we present a QNM expansion for dispersive systems, recently applied to photonics but based on sixty year old techniques in mechanics. The resulting numerical algorithm appears to be physically agnostic, that is independent of the considered physical problem and can therefore be implemented as a mere toolbox in a nonlinear eigenvalue computation library.
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Dates et versions

hal-04418288 , version 1 (15-03-2024)

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André Nicolet, Guillaume Demésy, Frédéric Zolla, Carmen Campos, Jose Roman, et al.. Physically agnostic quasi normal mode expansion in time dispersive structures: From mechanical vibrations to nanophotonic resonances. European Journal of Mechanics - A/Solids, 2023, 100, pp.104809. ⟨10.1016/j.euromechsol.2022.104809⟩. ⟨hal-04418288⟩
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