DCP-FDTD Analysis of an InSb-Coated Dielectric Cylinder Array in the THz Regime

DCP-FDTD Analysis of an InSb-Coated Dielectric Cylinder Array in the THz Regime

The dispersive contour-path (DCP) finite-difference time-domain (FDTD) method is extended to the analysis of arbitrarily shaped dispersive media at terahertz frequencies. For the analysis of a grating consisting of InSb-coated dielectric cylinders, the computation time of the DCP-FDTD method is show...

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Hauptverfasser: Shibayama, Jun, Iwamoto, Tetsuya, Kuroda, Takuma, Yamauchi, Junji, Nakano, Hisamatsu
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Couplings
Dielectrics
dispersive contour-path (DCP)
FDTD method
Frequency conversion
Gratings
Media
terahertz wave
Time-domain analysis
Time-frequency analysis
trapezoidal recursive convolution (TRC)
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Beschreibung
Zusammenfassung:The dispersive contour-path (DCP) finite-difference time-domain (FDTD) method is extended to the analysis of arbitrarily shaped dispersive media at terahertz frequencies. For the analysis of a grating consisting of InSb-coated dielectric cylinders, the computation time of the DCP-FDTD method is shown to be reduced to less than 20%, when compared with the traditional technique. The coupling behavior of the field to the substrate is also explained using the phase matching condition.
ISSN:1054-4887