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Systematic Modal Analysis of 3-D Dielectric Waveguides Using Conventional and High Accuracy Nonstandard FDTD Algorithm

Tsakmakidis, K, Hermann, C, Klaedtke, A, Jamois, C and Hess, O (2005) Systematic Modal Analysis of 3-D Dielectric Waveguides Using Conventional and High Accuracy Nonstandard FDTD Algorithm IEEE Photonics Technology Letters, 17 (12). ISSN 1041-1135

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Abstract

A robust methodology is presented for the accurate modal analysis of three-dimensional dielectric waveguides with the finite-difference time-domain (FDTD) method. We investigate the propagation of well-defined vector modes along strongly guiding rectangular waveguides. Eigensolutions of the vectorial wave equation are utilized in the simulations to accurately launch the fundamental and higher order eigenmodes. Results for their FDTD-computed propagation constant are found to be in excellent agreement with existing mode-solving techniques. Improved accuracy or significant computational savings are achieved when the nonstandard FDTD concepts are incorporated in the context of the present analysis.

Item Type: Article
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Copyright 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

Divisions: Faculty of Engineering and Physical Sciences > Physics
Depositing User: Mr Adam Field
Date Deposited: 27 May 2010 14:05
Last Modified: 23 Sep 2013 18:25
URI: http://epubs.surrey.ac.uk/id/eprint/9

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