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Stability-Improved ADE-FDTD Method for Wideband Modeling of Graphene Structures | IEEE Journals & Magazine | IEEE Xplore

Stability-Improved ADE-FDTD Method for Wideband Modeling of Graphene Structures


Abstract:

A stability-improved auxiliary differential equation finite-difference time-domain (FDTD) method is developed for broadband modeling graphene-based devices in this letter...Show More

Abstract:

A stability-improved auxiliary differential equation finite-difference time-domain (FDTD) method is developed for broadband modeling graphene-based devices in this letter. By introducing an electric polarization term characterized with an auxiliary equation, the graphene sheet is incorporated into the FDTD method without any decrease in the Courant-Friedrich-Levy number. The stability condition is analyzed and numerical experiments are carried out to validate the proposed method with analytical results. It is further applied to investigate some properties of metal-graphene split-ring resonator.
Published in: IEEE Antennas and Wireless Propagation Letters ( Volume: 18, Issue: 1, January 2019)
Page(s): 212 - 216
Date of Publication: 12 December 2018

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