Near-zero-index wires

Near-zero-index wires

In this work, near-zero-index material boundary properties have been exploited to achieve new electromagnetic functionalities. The extraordinary guiding properties of a cylindrical dielectric rod waveguide surrounded by a thin epsilon-mu-near-zero shell is analyzed and discussed. A closed-form solut...

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Veröffentlicht in:Optics express 2017-10, Vol.25 (20), p.23699-23708
Hauptverfasser: La Spada, Luigi, Vegni, Lucio
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creator La Spada, Luigi
Vegni, Lucio
description In this work, near-zero-index material boundary properties have been exploited to achieve new electromagnetic functionalities. The extraordinary guiding properties of a cylindrical dielectric rod waveguide surrounded by a thin epsilon-mu-near-zero shell is analyzed and discussed. A closed-form solution for the dispersion equation has been developed, able to model and design such properties at will. Analytical and numerical results will confirm that the use of near-zero cover materials leads to extraordinary properties in terms of field configurations, low attenuation, and bandwidth. The dielectric wire acts as an efficient "waveguide" with great potentials for advance nanocircuit and electronics.
doi_str_mv 10.1364/OE.25.023699
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title Near-zero-index wires
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