Volumetric method of moments and conceptual multilevel building blocks for nanotopologies

X. Zheng, V. K. Valev, N. Verellen, Y. Jeyaram, A. V. Silhanek, V. Metlushko, M. Ameloot, G. A E Vandenbosch, V. V. Moshchalkov

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

On the basis of the relationship between charge dimensionality and singular field behavior, it is proven that in a volumetric description of a volume current carrying topology, half rooftops of different binary hierarchical level are allowed without introducing numerical difficulties. This opens the possibility to use a very efficient multilevel hierarchical meshing scheme in a volumetric method-of-moments (V-MoM) algorithm. The new meshing scheme is validated by numerical calculations and experiments. It paves the way toward a much more efficient use of MoM in the description of arbitrarily shaped nanostructures at infrared and optical frequencies.

Original languageEnglish
Article number6135768
Pages (from-to)267-282
Number of pages16
JournalIEEE Photonics Journal
Volume4
Issue number1
DOIs
Publication statusPublished - 27 Feb 2012

Keywords

  • Method of moments (MoM)
  • nanostructures
  • optical frequencies
  • plasmonics

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