Considerations on boundary conditions in transformation optics for complete field computation in generic waveguides

Transformation optics is a powerful tool allowing remapping a generic domain into another yet maintaining a correspondence of the solution of Maxwell's equations within the two domains. Transformation optics has been used in the past to conveniently solve for modes in a generic waveguide by tra...

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Veröffentlicht in:Microwave and optical technology letters 2023-01, Vol.65 (1), p.373-380
Hauptverfasser: Gentili, Gian Guido, Giannetti, Giacomo, Pelosi, Giuseppe, Selleri, Stefano
Format: Artikel
Sprache:eng
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Zusammenfassung:Transformation optics is a powerful tool allowing remapping a generic domain into another yet maintaining a correspondence of the solution of Maxwell's equations within the two domains. Transformation optics has been used in the past to conveniently solve for modes in a generic waveguide by transforming its cross‐section into a circular one. Such a transformation needs particular care in enforcing boundary conditions in the transformed, circular, domain. In this paper, a theoretical treatment of boundary conditions is presented, allowing for an accurate computation of all field components in a generic waveguide.
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.33493