Dispersive Contour-Path Algorithm for the TRC-FDTD Method

We introduce the dispersive contour-path (DCP) algorithm to the FDTD method based on the trapezoidal recursive convolution (TRC) technique. The scattering efficiency is evaluated in the analysis of a metallic nanocylinder. It is found that the DCP-FDTD method yields faster convergence in the calcula...

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Published in2018 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD) pp. 57 - 58
Main Authors Shibayama, Jun, Suzuki, Kazuto, Yamauchi, Junji, Nakano, Hisamatsu
Format Conference Proceeding
LanguageEnglish
Japanese
Published IEEE 01.11.2018
Subjects
Convolution
Dispersion
Finite difference methods
Metals
Permittivity
Scattering
Time-domain analysis
Online AccessGet full text
ISSN2158-3242
DOI10.1109/NUSOD.2018.8570249

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Abstract We introduce the dispersive contour-path (DCP) algorithm to the FDTD method based on the trapezoidal recursive convolution (TRC) technique. The scattering efficiency is evaluated in the analysis of a metallic nanocylinder. It is found that the DCP-FDTD method yields faster convergence in the calculation of the scattering efficiency, when compared to the standard FDTD method with a staircase approximation. The memory usage of the TRC-DCP-FDTD method is reduced in comparison with that of the Z-transform FDTD method.
AbstractList We introduce the dispersive contour-path (DCP) algorithm to the FDTD method based on the trapezoidal recursive convolution (TRC) technique. The scattering efficiency is evaluated in the analysis of a metallic nanocylinder. It is found that the DCP-FDTD method yields faster convergence in the calculation of the scattering efficiency, when compared to the standard FDTD method with a staircase approximation. The memory usage of the TRC-DCP-FDTD method is reduced in comparison with that of the Z-transform FDTD method.
Author Suzuki, Kazuto
Shibayama, Jun
Nakano, Hisamatsu
Yamauchi, Junji
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  organization: Faculty of Science and Engineering, Hosei University, Tokyo 184-8584, Japan
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Snippet We introduce the dispersive contour-path (DCP) algorithm to the FDTD method based on the trapezoidal recursive convolution (TRC) technique. The scattering...
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StartPage 57
SubjectTerms Convolution
Dispersion
Finite difference methods
Metals
Permittivity
Scattering
Time-domain analysis
Title Dispersive Contour-Path Algorithm for the TRC-FDTD Method
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