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Surface lattice resonances in THz metamaterials

Surface lattice resonances in THz metamaterials
Surface lattice resonances in THz metamaterials
Diffraction of light in periodic structures is observed in a variety of systems including atoms, solid state crystals, plasmonic structures, metamaterials, and photonic crystals. In metamaterials, lattice diffraction appears across microwave to optical frequencies due to collective Rayleigh scattering of periodically arranged structures. Light waves diffracted by these periodic structures can be trapped along the metamaterial surface resulting in the excitation of surface lattice resonances, which are mediated by the structural eigenmodes of the metamaterial cavity. This has brought about fascinating opportunities such as lattice-induced transparency, strong near-field confinement as well as resonant field enhancement and line-narrowing of metamaterial structural resonances through lowering of radiative losses. In this review, we describe the mechanisms and implications of metamaterial-engineered surface lattice resonances and lattice-enhanced field confinement in terahertz metamaterials. These universal properties of surface lattice resonances in metamaterials have significant implications for the design of resonant metamaterials, including ultrasensitive sensors, lasers and slow light devices across the electromagnetic spectrum.
Surface lattice resonance, Metamaterial, Terahertz radiation
2304-6732
1-20
CaiWei, Thomas Tan
9bffc8f9-a3f6-4195-9e0d-126a1f1f0f2b
Plum, Eric
50761a26-2982-40df-9153-7aecc4226eb5
Singh, Ranjan
895cd3c3-d3d4-4c1f-81f9-f7cbbd13eae8
CaiWei, Thomas Tan
9bffc8f9-a3f6-4195-9e0d-126a1f1f0f2b
Plum, Eric
50761a26-2982-40df-9153-7aecc4226eb5
Singh, Ranjan
895cd3c3-d3d4-4c1f-81f9-f7cbbd13eae8

CaiWei, Thomas Tan, Plum, Eric and Singh, Ranjan (2019) Surface lattice resonances in THz metamaterials. Photonics, 6 (3), 1-20, [75]. (doi:10.3390/photonics6030075).

Record type: Review

Abstract

Diffraction of light in periodic structures is observed in a variety of systems including atoms, solid state crystals, plasmonic structures, metamaterials, and photonic crystals. In metamaterials, lattice diffraction appears across microwave to optical frequencies due to collective Rayleigh scattering of periodically arranged structures. Light waves diffracted by these periodic structures can be trapped along the metamaterial surface resulting in the excitation of surface lattice resonances, which are mediated by the structural eigenmodes of the metamaterial cavity. This has brought about fascinating opportunities such as lattice-induced transparency, strong near-field confinement as well as resonant field enhancement and line-narrowing of metamaterial structural resonances through lowering of radiative losses. In this review, we describe the mechanisms and implications of metamaterial-engineered surface lattice resonances and lattice-enhanced field confinement in terahertz metamaterials. These universal properties of surface lattice resonances in metamaterials have significant implications for the design of resonant metamaterials, including ultrasensitive sensors, lasers and slow light devices across the electromagnetic spectrum.

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Accepted/In Press date: 21 June 2019
Published date: 26 June 2019
Keywords: Surface lattice resonance, Metamaterial, Terahertz radiation

Identifiers

Local EPrints ID: 431956
URI: http://eprints.soton.ac.uk/id/eprint/431956
ISSN: 2304-6732
PURE UUID: a008582d-154b-4a07-8a91-c2e1c8e57b0f
ORCID for Eric Plum: ORCID iD orcid.org/0000-0002-1552-1840

Catalogue record

Date deposited: 24 Jun 2019 16:30
Last modified: 23 May 2020 00:31

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Contributors

Author: Thomas Tan CaiWei
Author: Eric Plum ORCID iD
Author: Ranjan Singh

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