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Appl. Sci. 2017, 7(6), 542; doi:10.3390/app7060542

Near-Field Coupling and Mode Competition in Multiple Anapole Systems

PRIMALIGHT, Faculty of Electrical Engineering, Applied Mathematics and Computational Science, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
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Academic Editor: Boris Malomed
Received: 17 April 2017 / Revised: 9 May 2017 / Accepted: 11 May 2017 / Published: 24 May 2017
(This article belongs to the Special Issue Guided-Wave Optics)
View Full-Text   |   Download PDF [1088 KB, uploaded 24 May 2017]   |  

Abstract

All-dielectric metamaterials are a promising platform for the development of integrated photonics applications. In this work, we investigate the mutual coupling and interaction of an ensemble of anapole states in silicon nanoparticles. Anapoles are intriguing non-radiating states originated by the superposition of internal multipole components which cancel each other in the far-field. While the properties of anapole states in single nanoparticles have been extensively studied, the mutual interaction and coupling of several anapole states have not been characterized. By combining first-principles simulations and analytical results, we demonstrate the transferring of anapole states across an ensemble of nanoparticles, opening to the development of advanced integrated devices and robust waveguides relying on non-radiating modes. View Full-Text
Keywords: anapole; silicon nanoparticles; integrated photonics; FDTD; near-field coupling anapole; silicon nanoparticles; integrated photonics; FDTD; near-field coupling
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Mazzone, V.; Totero Gongora, J.S.; Fratalocchi, A. Near-Field Coupling and Mode Competition in Multiple Anapole Systems. Appl. Sci. 2017, 7, 542.

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