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Chalcogenide plasmonic metamaterial switches

Record type: Conference or Workshop Item (Paper)

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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Citation

Sámson, Z.L., Zhang, J., Adamo, G., Uchino, T., Gholipour, B., Knight, K., Huang, C.C., De Angelis, F., MacDonald, K.F., Ashburn, P., Di Fabrizio, E., Hewak, D.W. and Zheludev, N.I. (2010) Chalcogenide plasmonic metamaterial switches At SPIE Optics & Photonics 2010, United States. 01 - 05 Aug 2010.

More information

e-pub ahead of print date: 2010
Venue - Dates: SPIE Optics & Photonics 2010, United States, 2010-08-01 - 2010-08-05
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
ORCID for K.F. MacDonald: ORCID iD orcid.org/0000-0002-3877-2976
ORCID for D.W. Hewak: ORCID iD orcid.org/0000-0002-2093-5773

Catalogue record

Date deposited: 28 Jun 2012 10:48
Last modified: 18 Jul 2017 05:42

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Contributors

Author: Z.L. Sámson
Author: J. Zhang
Author: G. Adamo
Author: T. Uchino
Author: B. Gholipour
Author: K. Knight
Author: C.C. Huang
Author: F. De Angelis
Author: K.F. MacDonald ORCID iD
Author: P. Ashburn
Author: E. Di Fabrizio
Author: D.W. Hewak ORCID iD
Author: N.I. Zheludev

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