Sub-diffraction light propagation in fibers with anisotropic dielectric cores
arXiv:physics/0605036 · doi:10.1080/09500340600893925
Abstract
We present a detailed study of light propagation in waveguides with anisotropic metamaterial cores. We demonstrate that in contrast to conventional optical fibers, our structures support free-space-like propagating modes even when the waveguide radius is much smaller than the wavelength. We develop analytical formalism to describe mode structure and propagation in strongly anisotropic systems and study the effects related to waveguide boundaries and material composition.
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