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

✍ Scribed by Lorenzo Crocco; Fabrizio Cuomo; Tommaso Isernia

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 353 KB
Volume: 48
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.21998

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✦ Synopsis

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 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 2564–2570, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21998

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