Guiding infrared electromagnetic waves through TI nanowires with extremely large wavenumber and azimuthal index
Y W Li,
M N Chen,
J Y Dai
et al.
Abstract:In this paper, the dispersion relations of the surface plasmon polaritons in TI nanowires have been investigated. For simplicity, TI nanowire has been modeled as a dielectric cylinder with a conductive surface, the conductivity of which is an anti-symmetric tensor. The off-diagonal terms of the conductivity tensor only slightly change the dispersion relations. Due to small conductivities, these surface plasmon polaritons have extremely large wavenumbers and azimuthal indices; the electric fields are tightly co… Show more
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