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Superdirective all-dielectric nanoantennas: Theory and experiment

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2014

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Abstract

We introduce a novel concept of superdirective nanoantennas based on the generation of higherorder optically-induced magnetic multipoles. Such an all-dielectric nanoantenna can be realized as an optically small spherical dielectric nanoparticle with a notch excited by a point source located in the notch. We also confirm the predicted superdirectivity effect experimentally through scaling to the microwave frequency range.

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https://dspace-test.anu.edu.au/handle/1885/733761497

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DevOps Integration

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IOP Conference Series: Materials Science and Engineering

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Conference paper

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10.1088/1757-899X/67/1/012008

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