Development of fast, flexible, and accurate methods for the analysis (and design) of photonic crystals devices is a relevant topic in order to optimize existing devices and/or developing new design solutions. Within this framework, in this article, we present an improved version of the scattering matrix method [1] for the evaluation of the electromagnetic behavior of two-dimensional finite-extent photonic crystals made of a finite set of parallel dielectric rods. In particular, by relying on features of the fields to be computed within the device and a suitable aggregation into macrocells, a considerable reduction of the number of unknowns of the linear system to be solved is achieved. A numerical analysis confirms the accuracy of the proposed method and the remarkable computational benefit.

Improved scattering matrix method for the analysis of two-dimensional PBG devices

Crocco L;
2006

Abstract

Development of fast, flexible, and accurate methods for the analysis (and design) of photonic crystals devices is a relevant topic in order to optimize existing devices and/or developing new design solutions. Within this framework, in this article, we present an improved version of the scattering matrix method [1] for the evaluation of the electromagnetic behavior of two-dimensional finite-extent photonic crystals made of a finite set of parallel dielectric rods. In particular, by relying on features of the fields to be computed within the device and a suitable aggregation into macrocells, a considerable reduction of the number of unknowns of the linear system to be solved is achieved. A numerical analysis confirms the accuracy of the proposed method and the remarkable computational benefit.
2006
Istituto per il Rilevamento Elettromagnetico dell'Ambiente - IREA
photonic crystals
scattering matrix method
numerical modelling
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.14243/39837
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