Journal
IEEE TRANSACTIONS ON NANOTECHNOLOGY
Volume 14, Issue 2, Pages 250-258Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNANO.2014.2387576
Keywords
Auxiliary differential equation finite-difference time-domain (ADE-FDTD); conformal technique; graphene; surface plasmon polarization (SPP); temperature; terahertz band; vector fitting
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Funding
- National Natural Science Foundation of China [61171037, 61431014]
- Zhejiang Provincial National Natural Science Foundation of China [LZ14F010001, LQ14F010010]
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An efficient finite-difference time-domain (FDTD) algorithm is proposed for studying frequency-and temperature-dependent characteristics of some graphene-based structures, with auxiliary differential equation-FDTD method and its conformal modification technique integrated together for handling such atomically thin and electrically dispersive periodic geometries. Numerical results are presented to show their tunable transmittances, surface plasmon polarization-mode characteristics and Fano resonances, where the effects of chemical potential of graphene, biasing electric field strength, as well as operating temperature are captured and investigated in detail.
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