Herpin equivalence in temporal metamaterials
Abstract: In analogy with spatial multilayers, we put forward the idea of Herpin equivalence in temporal metamaterials characterized by step-like time variations of the constitutive parameters. We show that, at a given frequency, an arbitrary temporal multistep exhibiting mirror symmetry can be replaced by an equivalent temporal slab with suitable refractive index and travel-time. This enables the synthesis of arbitrary values of the refractive index, in a way that differs fundamentally from the effective-medium approach, and adds new useful analytical machinery to the available toolbox for the study and design of temporal metamaterials, with potentially intriguing applications to anti-reflection coatings and filters.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Herpin equivalence in temporal metamaterials ; volume:11 ; number:20 ; year:2022 ; pages:4479-4488 ; extent:10
Nanophotonics ; 11, Heft 20 (2022), 4479-4488 (gesamt 10)
- Urheber
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Castaldi, Giuseppe
Moccia, Massimo
Engheta, Nader
Galdi, Vincenzo
- DOI
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10.1515/nanoph-2022-0338
- URN
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urn:nbn:de:101:1-2022092414132250977572
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:35 MESZ
Datenpartner
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Beteiligte
- Castaldi, Giuseppe
- Moccia, Massimo
- Engheta, Nader
- Galdi, Vincenzo
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