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Localization of electromagnetic fields in disordered metamaterials

Localization of electromagnetic fields in disordered metamaterials
Localization of electromagnetic fields in disordered metamaterials
We study the effects of disorder in planar metamaterials consisting of strongly interacting metamolecules, where coupled electric dipole and magnetic dipole modes give rise to a Fano-type resonant response, and show that positional disorder leads to light localization inherently linked to collective magnetic dipole excitations. We demonstrate that the magnetic excitation persists in disordered arrays and results in the formation of "magnetic hot spots".
1550-235X
Savo, S.
13a30585-d93e-4616-908c-44136934e6f0
Papasimakis, N.
f416bfa9-544c-4a3e-8a2d-bc1c11133a51
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Savo, S.
13a30585-d93e-4616-908c-44136934e6f0
Papasimakis, N.
f416bfa9-544c-4a3e-8a2d-bc1c11133a51
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Savo, S., Papasimakis, N. and Zheludev, N.I. (2012) Localization of electromagnetic fields in disordered metamaterials. Physical Review B, 85 (12). (doi:10.1103/PhysRevB.85.121104).

Record type: Article

Abstract

We study the effects of disorder in planar metamaterials consisting of strongly interacting metamolecules, where coupled electric dipole and magnetic dipole modes give rise to a Fano-type resonant response, and show that positional disorder leads to light localization inherently linked to collective magnetic dipole excitations. We demonstrate that the magnetic excitation persists in disordered arrays and results in the formation of "magnetic hot spots".

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Published date: 15 March 2012
Organisations: Optoelectronics Research Centre, Quantum, Light & Matter Group

Identifiers

Local EPrints ID: 356001
URI: https://eprints.soton.ac.uk/id/eprint/356001
ISSN: 1550-235X
PURE UUID: 89bce9c9-ffda-4e18-98ac-5b77676d1b27
ORCID for N. Papasimakis: ORCID iD orcid.org/0000-0002-6347-6466
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 09 Sep 2013 15:46
Last modified: 24 Sep 2019 00:57

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Contributors

Author: S. Savo
Author: N. Papasimakis ORCID iD
Author: N.I. Zheludev ORCID iD

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