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IEICE TRANSACTIONS on Communications

Transient Analysis of Anisotropic Dielectrics and Ferromagnetic Materials Based on Unconditionally Stable Perfectly-Matched-Layer (PML) Complex-Envelope (CE) Finite-Difference Time-Domain (FDTD) Method

Sang-Gyu HA, Jeahoon CHO, Kyung-Young JUNG

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Summary :

Anisotropic dielectrics and ferromagnetic materials are widely used in dispersion-engineered metamaterials. For example, nonreciprocal magnetic photonic crystals (MPhCs) are periodic structures whose unit cell is composed of two misaligned anisotropic dielectric layers and one ferromagnetic layer and they have extraordinary characteristics such as wave slowdown and field amplitude increase. We develop an unconditionally stable complex-envelop alternating-direction-implicit finite-difference time-domain method (CE-ADI-FDTD) suitable for the transient analysis of anisotropic dielectrics and ferromagnetic materials. In the proposed algorithm, the perfectly-matched-layer (PML) is straightforwardly incorporated in Maxwell's curl equations. Numerical examples show that the proposed PML-CE-ADI-FDTD method can reduce the CPU time significantly for the transient analysis of anisotropic dielectrics and ferromagnetic materials while maintaining computational accuracy.

Publication
IEICE TRANSACTIONS on Communications Vol.E100-B No.10 pp.1879-1883
Publication Date
2017/10/01
Publicized
2017/03/14
Online ISSN
1745-1345
DOI
10.1587/transcom.2016EBP3426
Type of Manuscript
PAPER
Category
Antennas and Propagation

Authors

Sang-Gyu HA
  Hanyang University
Jeahoon CHO
  Hanyang University
Kyung-Young JUNG
  Hanyang University

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