Single-mode subwavelength waveguides with wire metamaterials
classification
⚛️ physics.optics
keywords
frequencysingle-modewireanalyticalbelowcomparedeep-subwavelengthdemonstrate
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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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