A note on the stability of the FDTD implementation of the graphene conductivity modeled by a [2/2]-Pade function

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dc.contributor.authorRamadan, Omar
dc.date.accessioned2026-02-06T18:39:33Z
dc.date.issued2017
dc.departmentDoğu Akdeniz Üniversitesi
dc.description.abstractRecently, a [2/2]-Pade function has been used for implementing the graphene conductivity in the finite difference time domain (FDTD) algorithm. In this paper, it is shown that the employed temporal discretization methodology introduces additional stability restriction other than the conventional Courant-Friedrichs-Levey (CFL) constrain. To overcome this drawback, alternative FDTD implementation, based on the bilinear Z-transformation, is presented. The method is equally applicable to both the graphene interband and intraband conductivity terms. Numerical examples are included to verify these findings. (C) 2017 Elsevier GmbH. All rights reserved.
dc.identifier.doi10.1016/j.ijleo.2017.04.064
dc.identifier.endpage170
dc.identifier.issn0030-4026
dc.identifier.scopus2-s2.0-85018526643
dc.identifier.scopusqualityQ1
dc.identifier.startpage165
dc.identifier.urihttps://doi.org/10.1016/j.ijleo.2017.04.064
dc.identifier.urihttps://hdl.handle.net/11129/12911
dc.identifier.volume140
dc.identifier.wosWOS:000404313800019
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Gmbh, Urban & Fischer Verlag
dc.relation.ispartofOptik
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260204
dc.subjectGraphene
dc.subjectFinite difference time domain (FDTD)
dc.subjectFade approximation
dc.subjectBilinear Z-transform
dc.titleA note on the stability of the FDTD implementation of the graphene conductivity modeled by a [2/2]-Pade function
dc.typeArticle

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