Chalcogenide plasmonic metamaterial switches
Chalcogenide plasmonic metamaterial switches
The material technology behind rewritable optical disks and the latest generation of electronic memory offers a new broadband switching paradigm for metamaterials. Non-volatile, electrically- or optically-addressed switching devices for visible to mid-infrared wavelengths can be created by hybridizing planar metamaterials with functional chalcogenide glass.
We demonstrate experimentally that converting this phase-change medium between amorphous and crystalline states brings about significant changes in the resonant optical properties (transmission, reflection and absorption) of hybrid metamaterials based on metallic nanostructures supporting plasmonic dark-mode resonances. The transition between amorphous and crystalline forms brings about a substantial shift (>10%) in the resonance wavelength of the hybrid structure, providing transmission and reflection modulation functionality with contrast ratios of up to 4:1 in a device of sub-wavelength thickness.
Sámson, Zsolt
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Zhang, J.
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Adamo, G.
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Uchino, T.
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Gholipour, B.
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Knight, K.
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Huang, Kevin Chung-Che
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De Angelis, F.
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MacDonald, K.F.
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Ashburn, P.
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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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Sámson, Zsolt
edc8b2de-2acf-405d-8ffa-ed7344d9ee7a
Zhang, J.
de184393-56fd-4f4d-8019-ae76b3f14b54
Adamo, G.
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Uchino, T.
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Gholipour, B.
c17bd62d-9df6-40e6-bc42-65272d97e559
Knight, K.
8834be4f-7dce-43fe-bafd-959e5893bd51
Huang, Kevin Chung-Che
825f7447-6d02-48f6-b95a-fa33da71f106
De Angelis, F.
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MacDonald, K.F.
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Ashburn, P.
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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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Sámson, Zsolt, Zhang, J., Adamo, G., Uchino, T., Gholipour, B., Knight, K., Huang, Kevin Chung-Che, De Angelis, F., MacDonald, K.F., Ashburn, P., Di Fabrizio, E., Hewak, D.W. and Zheludev, N.I.
(2010)
Chalcogenide plasmonic metamaterial switches.
SPIE Optics & Photonics 2010, San Diego, United States.
31 Jul - 04 Aug 2010.
Record type:
Conference or Workshop Item
(Paper)
Abstract
The material technology behind rewritable optical disks and the latest generation of electronic memory offers a new broadband switching paradigm for metamaterials. Non-volatile, electrically- or optically-addressed switching devices for visible to mid-infrared wavelengths can be created by hybridizing planar metamaterials with functional chalcogenide glass.
We demonstrate experimentally that converting this phase-change medium between amorphous and crystalline states brings about significant changes in the resonant optical properties (transmission, reflection and absorption) of hybrid metamaterials based on metallic nanostructures supporting plasmonic dark-mode resonances. The transition between amorphous and crystalline forms brings about a substantial shift (>10%) in the resonance wavelength of the hybrid structure, providing transmission and reflection modulation functionality with contrast ratios of up to 4:1 in a device of sub-wavelength thickness.
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e-pub ahead of print date: 2010
Venue - Dates:
SPIE Optics & Photonics 2010, San Diego, United States, 2010-07-31 - 2010-08-04
Organisations:
Optoelectronics Research Centre, Nanoelectronics and Nanotechnology
Identifiers
Local EPrints ID: 340615
URI: http://eprints.soton.ac.uk/id/eprint/340615
PURE UUID: 575c1a2f-8de7-4876-827a-9a1ad68075c4
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Date deposited: 28 Jun 2012 10:48
Last modified: 11 Dec 2021 04:05
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Contributors
Author:
Zsolt Sámson
Author:
J. Zhang
Author:
G. Adamo
Author:
T. Uchino
Author:
B. Gholipour
Author:
K. Knight
Author:
F. De Angelis
Author:
E. Di Fabrizio
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