Single-mode subwavelength waveguides with wire metamaterials
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Belov, Pavel
Dubrovka, Rostislav
Iorsh, Ivan
Yagupov, Ilya
Kivshar, Yuri
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American Institute of Physics
Abstract
We study the eigenmodes of a slab of a wire metamaterial and demonstrate that
such a waveguiding structure supports deep-subwavelength propagating modes
exhibiting properties of a single-mode waveguide at any fixed frequency below
the plasma frequency of metal wires. We compare our analytical results with the
dispersion relations extracted from the experimental measurements.
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Applied Physics Letters
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