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Sharp toroidal resonances in planar terahertz metasurfaces

Sharp toroidal resonances in planar terahertz metasurfaces
Sharp toroidal resonances in planar terahertz metasurfaces
A toroidal dipole in metasurfaces provides an alternate approach for the excitation of high-Q resonances. In contrast to conventional multipoles, toroidal dipole interaction strength depends on the time derivative of the surrounding electric field. A characteristic feature of a toroidal dipole is tightly confined loops of oscillating magnetic field that curl around the fictitious arrow of a toroidal dipole vector.
1521-4095
8206-8211
Gupta, Manoj
5cafd9ad-2bbe-4cac-a29f-cb526b63ab7c
Savinov, Vassili
147c7954-4636-4438-a305-cd78539f7c0a
Xu, Ningning
1a83ad8e-3855-4fd7-b1cd-cb67861e8a6d
Cong, Longqing
b0f8a1be-0ae3-419d-b90a-fead0aa2b88c
Dayal, Govind
4658b7e7-ee80-4834-81d4-11e71a883dc7
Wang, Shuang
24200e7b-2b93-4d48-96e7-8c8059ff4ccd
Zhang, Weili
e7aadbd4-230f-4a39-8b06-9aaef4183de0
Zheludev, Nikolay I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Singh, Ranjan
895cd3c3-d3d4-4c1f-81f9-f7cbbd13eae8
Gupta, Manoj
5cafd9ad-2bbe-4cac-a29f-cb526b63ab7c
Savinov, Vassili
147c7954-4636-4438-a305-cd78539f7c0a
Xu, Ningning
1a83ad8e-3855-4fd7-b1cd-cb67861e8a6d
Cong, Longqing
b0f8a1be-0ae3-419d-b90a-fead0aa2b88c
Dayal, Govind
4658b7e7-ee80-4834-81d4-11e71a883dc7
Wang, Shuang
24200e7b-2b93-4d48-96e7-8c8059ff4ccd
Zhang, Weili
e7aadbd4-230f-4a39-8b06-9aaef4183de0
Zheludev, Nikolay I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Singh, Ranjan
895cd3c3-d3d4-4c1f-81f9-f7cbbd13eae8

Gupta, Manoj, Savinov, Vassili, Xu, Ningning, Cong, Longqing, Dayal, Govind, Wang, Shuang, Zhang, Weili, Zheludev, Nikolay I. and Singh, Ranjan (2016) Sharp toroidal resonances in planar terahertz metasurfaces. Advanced Materials, 28 (37), 8206-8211. (doi:10.1002/adma.201601611).

Record type: Article

Abstract

A toroidal dipole in metasurfaces provides an alternate approach for the excitation of high-Q resonances. In contrast to conventional multipoles, toroidal dipole interaction strength depends on the time derivative of the surrounding electric field. A characteristic feature of a toroidal dipole is tightly confined loops of oscillating magnetic field that curl around the fictitious arrow of a toroidal dipole vector.

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More information

e-pub ahead of print date: 15 July 2016
Published date: 5 October 2016

Identifiers

Local EPrints ID: 441715
URI: http://eprints.soton.ac.uk/id/eprint/441715
ISSN: 1521-4095
PURE UUID: 735ffeab-ce54-420e-805d-edfe8cdc24b7
ORCID for Vassili Savinov: ORCID iD orcid.org/0000-0001-7203-7222
ORCID for Nikolay I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 24 Jun 2020 16:49
Last modified: 26 Nov 2021 02:36

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Contributors

Author: Manoj Gupta
Author: Vassili Savinov ORCID iD
Author: Ningning Xu
Author: Longqing Cong
Author: Govind Dayal
Author: Shuang Wang
Author: Weili Zhang
Author: Ranjan Singh

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