On the use of PML for the computation of leaky modes: An application to microstructured optical fibres

Y. Ould Agha; F. Zolla; A. Nicolet; S. Guenneau

doi:10.1108/03321640810836672

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COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering

ISSN: 0332-1649

Online from: 1982

Subject Area: Electrical & Electronic Engineering

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On the use of PML for the computation of leaky modes: An application to microstructured optical fibres

Document Information:
Title:	On the use of PML for the computation of leaky modes: An application to microstructured optical fibres
Author(s):	Y. Ould Agha, (Faculté de Saint-Jérôme, Institut Fresnel, UMR 6133 Aix Marseille Universite, Marseille, France), F. Zolla, (Faculté de Saint-Jérôme, Institut Fresnel, UMR 6133 Aix Marseille Universite, Marseille, France), A. Nicolet, (Faculté de Saint-Jérôme, Institut Fresnel, UMR 6133 Aix Marseille Universite, Marseille, France), S. Guenneau, (Faculté de Saint-Jérôme, Institut Fresnel, UMR 6133 Aix Marseille Universite, Marseille, France)
Citation:	Y. Ould Agha, F. Zolla, A. Nicolet, S. Guenneau, (2008) "On the use of PML for the computation of leaky modes: An application to microstructured optical fibres", COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, Vol. 27 Iss: 1, pp.95 - 109
Keywords:	Finite element analysis, Optical fibres, Perfectly matched layers
Article type:	Research paper
DOI:	10.1108/03321640810836672 (Permanent URL)
Publisher:	Emerald Group Publishing Limited
Abstract:	Purpose – The purpose of this paper is to present a complete analysis of leaky modes within a microstructured optical fibre (MOF). Some new numerical results illustrating the versatility and accuracy of our approach are to be given. Design/methodology/approach – A method involving both finite elements and perfectly matched layer (PML) is proposed. Findings – A rigorous definition of the leaky modes is proposed that leads to a proof of the validity of the PML approach together with a rule for the choice of the PML parameters. Originality/value – The choice of parameters associated with the PML are discussed in great detail. The accuracy of the constant of propagation (and especially the imaginary part) are highlighted.