Summary
International Symposium on Antennas and Propagation
2006
Session Number:3B2a
Session:
Number:3B2a-1
LOD-FDTD Analysis of Optical Waveguides with Nondispersive and Dispersive Media
Jun Shibayama, Ryo Takahashi, Junji Yamauchi, Hisamatsu Nakano,
pp.1-5
Publication Date:2006/11/2
Online ISSN:2188-5079
Summary:
We formulate an efficient implicit FDTD method based on the locally one-dimensional (LOD) scheme and introduce the recursive convolution (RC), piecewise linear recursive convolution (PLRC) and auxiliary differential equation (ADE) methods into the LOD-FDTD for the analysis of frequency-dependent materials. As an application, an optical waveguide with an endfacet is analyzed, demonstrating the validity and the efficiency of the LOD-FDTD. Furthermore, an optical waveguide with a metal cladding is analyzed. It is shown that the results obtained from the PLRC- and ADEbased LOD-FDTDs agree well with the result from the explicit FDTD, even with a time step being ten times as large as that used in the explicit FDTD.