On the use of PML for the computation of leaky modes
Y. Ould Agha, F. Zolla, A. Nicolet, S. Guenneau
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Source: Crossref
Published: Jan 4, 2008
DOI: 10.1108/03321640810836672
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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.
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