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Proceedings Paper

Mode expansion and propagation method based on eigenmodes of a parallel-plate waveguide
Author(s): Jiři Čtyroký
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Paper Abstract

The bi-directional mode expansion and propagation method (BEP) is known as an accurate and efficient method for modelling field distribution in waveguide structures with strong back-reflections like waveguide gratings and photonic crystals. Recently, a two-step algorithm for eigenmode calculation based on the expansion into the modes of an empty metallic waveguide has been proposed by P. Bienstman. Proper truncation rules possessing good convergence of the expansion method for both TE and TM modes have also been recently published by Sauvan et al. We have combined these approaches in the development of a simple version of the two-dimensional (2-D) BEP method that makes use of the expansion into the eigenmodes of a parallel-plate waveguide. Results of model calculations are compared with several well-established methods.

Paper Details

Date Published: 18 April 2006
PDF: 6 pages
Proc. SPIE 6180, Photonics, Devices, and Systems III, 61800I (18 April 2006); doi: 10.1117/12.675658
Show Author Affiliations
Jiři Čtyroký, Institute of Radio Engineering and Electronics (Czech Republic)

Published in SPIE Proceedings Vol. 6180:
Photonics, Devices, and Systems III
Pavel Tománek; Miroslav Hrabovský; Miroslav Miler; Dagmar Senderákova, Editor(s)

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