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Time-domain wavelet Galerkin modeling of two-dimensional electrically large dielectric waveguides

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2 Author(s)
Fujii, M. ; Dept. of Electr. & Comput. Eng., Victoria Univ., BC, Canada ; Hoefer, W.J.R.

The time-domain wavelet-Galerkin method based on Daubechies' compactly supported scaling functions of high regularity has been applied to the analysis of two-dimensional dielectric slab waveguides that have typical dimensions and material parameters of optical integrated waveguide components, and the results are compared with those obtained with the conventional finite-difference time-domain method. It has been found that the proposed method allows discretization with a much coarser grid than the conventional time-domain analysis techniques due to its local sampling and highly linear numerical dispersion properties. A series of numerical experiments demonstrates the capability of the method to simulate the wave propagation of electrically large inhomogeneous media with reduced computational expenditure

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:49 ,  Issue: 5 )