Dispersive Perfectly Matched Layer and high order Absorbing Boundary Conditions for the computation of Quasinormal modes of open electromagnetic structures - Institut d'Optique Graduate School Access content directly
Journal Articles Journal of the Optical Society of America. A Optics, Image Science, and Vision Year : 2023

Dispersive Perfectly Matched Layer and high order Absorbing Boundary Conditions for the computation of Quasinormal modes of open electromagnetic structures

Guillaume Demésy
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Yoann Brûlé
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  • IdHAL : yoannbrule
Frédéric Zolla
André Nicolet
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Boris Gralak

Abstract

Resonances, also known as quasinormal modes (QNM) in the non-Hermitian case, play a ubiquitous role in all domains of physics ruled by wave phenomena, notably in continuum mechanics, acoustics, electrodynamics, and quantum theory. The non-Hermiticity arises from the system losses, whether they are material (Joule losses in electromagnetism) or linked to the openness of the problem (radiation losses). In this paper, we focus on the latter delicate matter when considering bounded computational domains mandatory when using e.g. Finite Elements. Dispersive perfectly matched layers and absorbing boundary conditions are studied.
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Dates and versions

hal-04284525 , version 1 (14-11-2023)

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Guillaume Demésy, Tong Wu, Yoann Brûlé, Frédéric Zolla, André Nicolet, et al.. Dispersive Perfectly Matched Layer and high order Absorbing Boundary Conditions for the computation of Quasinormal modes of open electromagnetic structures. Journal of the Optical Society of America. A Optics, Image Science, and Vision, 2023, 40 (10), pp.1947-1958. ⟨10.1364/JOSAA.499370⟩. ⟨hal-04284525⟩
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