Fourth-Order Locally One-Dimensional FDTD Method

F. Liang School of Electronics Information, Wuhan University, Wuhan 430072, China; Institute of Applied Physics University of Electronic Science and Technology of China Chengdu, 610054, China

G. Wang School of Electronics Information, Wuhan University, Wuhan 430072, China; Institute of Microelectronics and Information Technology Wuhan University, Wuhan, 430072, China

Abstract

A fourth-order two-dimensional (2-D) locally one-dimensional finite-difference time-domain (LOD-FDTD) method is introduced. The numerical dispersion error of this new approach is studied by comparison to the original second-order method. This new approach is proved to be an unconditionally stable FDTD method with improved numerical dispersion.

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Fourth-Order Locally One-Dimensional FDTD Method

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Fourth-Order Locally One-Dimensional FDTD Method

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