Abstract
We study the effects of a dc external magnetic field on the polaritons
propagating in hollow dielectric cylinders, taking into account the
retardation effects. In solving Maxwell's equations we show that only
the TM modes can propagate in these systems, and we obtain the
dispersion relation of the confined-surface-polariton modes. The effects
of geometric parameters and the external magnetic field on the
propagation of surface-polariton modes are also analyzed and show
significant influence on the behavior of the modes. Numerical results
are presented for the dispersion relation of surface polaritons with
GaAs as the optically active medium. (C) 2002 Optical Society of
America.
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