Metamaterial electro-optic switch of nanoscale thickness
Metamaterial electro-optic switch of nanoscale thickness
We demonstrate an innovative concept for nanoscale electro-optic switching. It exploits the frequency shift of a narrow-band Fano resonance mode in a plasmonic planar metamaterial induced by a change in the dielectric properties of an adjacent chalcogenide glass layer. An electrically stimulated transition between amorphous and crystalline forms of the glass brings about a 150 nm shift in the near-infrared resonance providing transmission modulation with a contrast ratio of 4:1 in a device of subwavelength thickness.
chalcogenide glasses, dielectric properties, electron spin polarisation, electro-optical switches, metamaterials, photoemission
143105
Sámson, Z.L.
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MacDonald, K.F.
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De Angelis, F.
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Gholipour, Behrad
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Knight, K.
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Huang, C.C.
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Di Fabrizio, E.
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Hewak, D.W.
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Zheludev, N.I.
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5 April 2010
Sámson, Z.L.
baef8935-31da-42a5-9772-53f28dfe5672
MacDonald, K.F.
76c84116-aad1-4973-b917-7ca63935dba5
De Angelis, F.
756de3f3-3aa1-456b-9931-8b48f0e71a47
Gholipour, Behrad
c17bd62d-9df6-40e6-bc42-65272d97e559
Knight, K.
8834be4f-7dce-43fe-bafd-959e5893bd51
Huang, C.C.
825f7447-6d02-48f6-b95a-fa33da71f106
Di Fabrizio, E.
548c09c1-ce38-4037-bb49-d18ed1c834b7
Hewak, D.W.
87c80070-c101-4f7a-914f-4cc3131e3db0
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Sámson, Z.L., MacDonald, K.F., De Angelis, F., Gholipour, Behrad, Knight, K., Huang, C.C., Di Fabrizio, E., Hewak, D.W. and Zheludev, N.I.
(2010)
Metamaterial electro-optic switch of nanoscale thickness.
Applied Physics Letters, 96 (14), .
(doi:10.1063/1.3355544).
Abstract
We demonstrate an innovative concept for nanoscale electro-optic switching. It exploits the frequency shift of a narrow-band Fano resonance mode in a plasmonic planar metamaterial induced by a change in the dielectric properties of an adjacent chalcogenide glass layer. An electrically stimulated transition between amorphous and crystalline forms of the glass brings about a 150 nm shift in the near-infrared resonance providing transmission modulation with a contrast ratio of 4:1 in a device of subwavelength thickness.
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Published date: 5 April 2010
Keywords:
chalcogenide glasses, dielectric properties, electron spin polarisation, electro-optical switches, metamaterials, photoemission
Organisations:
Optoelectronics Research Centre
Identifiers
Local EPrints ID: 148949
URI: http://eprints.soton.ac.uk/id/eprint/148949
ISSN: 0003-6951
PURE UUID: 21b1b6f3-fcf6-4b73-867a-d8ebabedd823
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Date deposited: 29 Apr 2010 11:24
Last modified: 14 Mar 2024 02:50
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Contributors
Author:
Z.L. Sámson
Author:
K.F. MacDonald
Author:
F. De Angelis
Author:
Behrad Gholipour
Author:
K. Knight
Author:
C.C. Huang
Author:
E. Di Fabrizio
Author:
N.I. Zheludev
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