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Hybrid FDTD Analysis for Periodic On-Chip Terahertz (THz) Structures

Y.A. Hussein, J.E. Spencer
IEEE/ACES International Conference on Wireless Communications and Applied Computational Electromagnetics, 2005.  

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We present electromagnetic analysis and radiation efficiency calculations for on-chip terahertz (THz) structures based on a hybrid, finite-difference, time-domain (HFDTD) technique. The method employs the FDTD technique to calculate S-parameters for one cell of a periodic structure. The transmission ABCD matrix is then estimated and multiplied by itself n times to obtain the n-cell periodic structure ABCD parameters that are then converted back to S-parameters. Validation of the method is
more » ... d out by comparing the results of the hybrid technique with FDTD calculations of the entire periodic structure as well as with HFSS which all agree quite well. This procedure reduces the CPU-time and allows efficient design and optimization of periodic THz radiation sources. Future research will involve coupling of Maxwell's equations with a more detailed, physics-based transport model for higher-order effects.
doi:10.1109/wcacem.2005.1469705 fatcat:dd5x6eh6cjb7nfn7af4wahgwpi
Citation

Y.A. Hussein, J.E. Spencer. "Hybrid FDTD Analysis for Periodic On-Chip Terahertz (THz) Structures." IEEE/ACES International Conference on Wireless Communications and Applied Computational Electromagnetics, 2005.