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arXiv · 1710.03685

High-quality trapped modes in all-dielectric metamaterials

Vladimir R. Tuz·Vyacheslav V. Khardikov·Anton S. Kupriianov·Kateryna L. Domina·Su Xu·Hai Wang·Hong-Bo Sun
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Abstract

A planar all-dielectric metamaterial made of a double-periodic lattice whose unit cell consists of a single subwavelength dielectric particle having the form of a disk possessing a penetrating hole is considered. The resonant states in the transmitted spectra of the metamaterial are identified considering modes inherent to the individual cylindrical dielectric resonator. A correlation between the asymmetry in particle's geometry, which arises from the off-centered displacement of the hole, and formation of the Mie-type and trapped modes is established. The advantages of using a coaxial-sector notch instead of a round hole for the trapped mode excitation are explained.

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Vladimir R. Tuz, Vyacheslav V. Khardikov, Anton S. Kupriianov, Kateryna L. Domina, Su Xu, Hai Wang, Hong-Bo Sun. 2017-10-02. High-quality trapped modes in all-dielectric metamaterials. https://doi.org/10.1364/oe.26.002905

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