Nonuniqueness of the quasinormal mode expansion of electromagnetic Lorentz dispersive materials
hal.structure.identifier | Laboratoire Photonique, Numérique et Nanosciences [LP2N] | |
hal.structure.identifier | Advanced 3D Numerical Modeling in Geophysics [Magique 3D] | |
dc.contributor.author | GRAS, Alexandre | |
hal.structure.identifier | Laboratoire Photonique, Numérique et Nanosciences [LP2N] | |
dc.contributor.author | LALANNE, Philippe | |
hal.structure.identifier | Advanced 3D Numerical Modeling in Geophysics [Magique 3D] | |
dc.contributor.author | DURUFLÉ, Marc | |
dc.date.accessioned | 2023-05-12T10:39:57Z | |
dc.date.available | 2023-05-12T10:39:57Z | |
dc.date.issued | 2020 | |
dc.identifier.issn | 1084-7529 | |
dc.identifier.uri | https://oskar-bordeaux.fr/handle/20.500.12278/181595 | |
dc.description.abstractEn | Any optical structure possesses resonance modes, and its response to an excitation can be decomposed onto the quasinormal and numerical modes of a discretized Maxwell operator. In this paper, we consider a dielectric permittivity that is an N-pole Lorentz function of the frequency. Even for discretized operators, the literature proposes different formulas for the coefficients of the quasinormal-mode expansion, and this comes as a surprise. We propose a general formalism, based on auxiliary fields, which explains why and evidences that there is, in fact, an infinity of mathematically sound possible expansion coefficients. The nonuniqueness is due to a choice of the linearization of Maxwell’s equations with respect to frequency and of the choice of the form of the source term. Numerical results validate the different formulas and compare their accuracy. | |
dc.description.sponsorship | Théorie et modélisation numérique des résonances optiques - ANR-16-CE24-0013 | |
dc.language.iso | en | |
dc.publisher | Optical Society of America | |
dc.subject.en | Electromagnetic resonance | |
dc.subject.en | Quasinormal mode | |
dc.subject.en | Microcavity | |
dc.subject.en | Nanoresonator | |
dc.subject.en | Modal expansion | |
dc.title.en | Nonuniqueness of the quasinormal mode expansion of electromagnetic Lorentz dispersive materials | |
dc.type | Article de revue | |
dc.identifier.doi | 10.1364/JOSAA.394206 | |
dc.subject.hal | Physique [physics]/Physique [physics]/Optique [physics.optics] | |
bordeaux.journal | Journal of the Optical Society of America. A Optics, Image Science, and Vision | |
bordeaux.page | 1219 | |
bordeaux.volume | 37 | |
bordeaux.hal.laboratories | Laboratoire Photonique, Numérique et Nanosciences (LP2N) - UMR 5298 | * |
bordeaux.issue | 7 | |
bordeaux.institution | Université de Bordeaux | |
bordeaux.institution | CNRS | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-03000839 | |
hal.version | 1 | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-03000839v1 | |
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