On the accuracy of the nearly PMLfor nonlinear FDTD domains

Author

Ramadan, Omar

Author_Institution

Comput. Eng. Dept., Eastern Mediterranean Univ., Mersin, Turkey

Volume

16

Issue

3

fYear

2006

fDate

3/1/2006 12:00:00 AM

Firstpage

101

Lastpage

103

Abstract

In this letter, the first implementation of the nearly perfectly matched layer (NPML) for truncating nonlinear dispersive finite-difference time-domain (FDTD) grids is presented. In the proposed method, the Z-transform theory is employed in the FDTD implementations of the NPML formulations. The performance of the NPML was investigated through a numerical example carried out in two-dimensional Kerr-Raman nonlinear and Lorentz-dispersive domain, and it has been observed that the NPML is capable of absorbing nonlinear electromagnetic waves.

Keywords

Lorentz transformation; Z transforms; dispersion (wave); electromagnetic wave absorption; finite difference time-domain analysis; 2D Kerr-Raman; Lorentz-dispersive domain; Z-transform theory; finite-difference time-domain grid; finite-difference time-domain implementation; nearly perfectly matched layer accuracy; nearly perfectly matched layer formulation; nonlinear electromagnetic wave; nonlinear finite-difference time-domain; Boundary conditions; Conductivity; Dispersion; Electromagnetic modeling; Electromagnetic propagation; Electromagnetic scattering; Finite difference methods; Optical materials; Perfectly matched layers; Time domain analysis; Dispersive; finite difference time domain (FDTD); nearly perfectly matched layer (NPML); nonlinear;

fLanguage

English

Journal_Title

Microwave and Wireless Components Letters, IEEE

Publisher

ieee

ISSN

1531-1309

Type

jour

DOI

10.1109/LMWC.2005.863252

Filename

1603579