Optical magnetic response without metamaterials

Li, Jinxiang, Papasimakis, Nikitas, MacDonald, Kevin F. and Zheludev, Nikolay I. (2021) Optical magnetic response without metamaterials. APL Photonics, 6 (7), [071303]. (doi:10.1063/5.0054752).

Record type: Article

Abstract

One of the main achievements of metamaterials research has been the development of structured matter exhibiting optical magnetism: first, in an array of microwave split-ring resonators and, soon after, in plasmonic and dielectric metamaterials at THz to visible frequencies. We show here that metamaterial structuring is not necessary to achieve optical magnetic response. Indeed, such a response is an essential characteristic of homogeneous dielectric thin films—Fabry–Pérot resonances, for example, depend on interference among electromagnetic multipoles including the magnetic dipole.

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Accepted/In Press date: 5 July 2021

Published date: 15 July 2021

Additional Information: Funding Information: This work was supported by the Engineering and Physical Sciences Research Council, UK (Grant No. EP/M009122/1 and EP/T02643X/1), the Singapore Ministry of Education (Grant No. MOE2016-T3-1-006), and the China Scholarship Council (Grant No. 201708440254). Publisher Copyright: © 2021 Author(s).

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