The characteristics of guided modes in the circular waveguide consist of uniaxial chiral medium have been investigated. The characteristic equation of guided modes is derived. The dispersion curves and energy ∞ux of guided modes for three kinds of uniaxial chiral media are presented. Unusual dispersion characteristics and negative energy ∞ux are found, i.e., backward wave is supported in the uniaxial chiral waveguide.
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Dong et al. (2012) studied this question.
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