A novel Finite Difference Time Domain (FDTD) scheme is proposed for the analysis of waveguide components. The method consists of combining the conventional 3D with the 1D-FDTD algorithm resulting from the time domain modal expansion in uniform waveguides. The new algorithm has been validated on a simple test example showing that the same accuracy can be obtained with a substantial improvement in the numerical efficiency
Efficient Analysis of Waveguide Components by FDTD Combined with Time Domain Modal Expansion
ALIMENTI, Federico;MEZZANOTTE, Paolo;ROSELLI, Luca;SORRENTINO, Roberto
1995
Abstract
A novel Finite Difference Time Domain (FDTD) scheme is proposed for the analysis of waveguide components. The method consists of combining the conventional 3D with the 1D-FDTD algorithm resulting from the time domain modal expansion in uniform waveguides. The new algorithm has been validated on a simple test example showing that the same accuracy can be obtained with a substantial improvement in the numerical efficiencyFile in questo prodotto:
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