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Polymorphic nanoparticles as all-optical memory elements

Polymorphic nanoparticles as all-optical memory elements
Polymorphic nanoparticles as all-optical memory elements
A nanoparticle undergoing light-induced transformations between structural phases with different optical properties is an inheritably bistable structure and this bistability can be used to create a resonator-free optical memory element, operating at very low power levels. We experimentally demonstrate this memory functionality using a film of gallium nanoparticles, and we present a method for differentially accessing the logic state of the memory using a modulated optical probe beam.
1094-4087
10652-10656
Soares, B.F.
c9b6c349-36ef-4fa0-9724-e8bbf9e47d54
Bashevoy, M.V.
f45e1ca1-96ab-48d3-94af-534f2f77aaa7
Jonsson, F.
7c3532cd-4995-47d6-bae9-137d829afeb1
MacDonald, K.F.
76c84116-aad1-4973-b917-7ca63935dba5
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Soares, B.F.
c9b6c349-36ef-4fa0-9724-e8bbf9e47d54
Bashevoy, M.V.
f45e1ca1-96ab-48d3-94af-534f2f77aaa7
Jonsson, F.
7c3532cd-4995-47d6-bae9-137d829afeb1
MacDonald, K.F.
76c84116-aad1-4973-b917-7ca63935dba5
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Soares, B.F., Bashevoy, M.V., Jonsson, F., MacDonald, K.F. and Zheludev, N.I. (2006) Polymorphic nanoparticles as all-optical memory elements. Optics Express, 14 (22), 10652-10656. (doi:10.1364/OE.14.010652).

Record type: Article

Abstract

A nanoparticle undergoing light-induced transformations between structural phases with different optical properties is an inheritably bistable structure and this bistability can be used to create a resonator-free optical memory element, operating at very low power levels. We experimentally demonstrate this memory functionality using a film of gallium nanoparticles, and we present a method for differentially accessing the logic state of the memory using a modulated optical probe beam.

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Published date: 30 October 2006

Identifiers

Local EPrints ID: 43699
URI: https://eprints.soton.ac.uk/id/eprint/43699
ISSN: 1094-4087
PURE UUID: 73973292-048d-4ca5-af6a-399c66cbaaa6
ORCID for K.F. MacDonald: ORCID iD orcid.org/0000-0002-3877-2976
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

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Date deposited: 02 Feb 2007
Last modified: 26 Nov 2019 02:03

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Contributors

Author: B.F. Soares
Author: M.V. Bashevoy
Author: F. Jonsson
Author: K.F. MacDonald ORCID iD
Author: N.I. Zheludev ORCID iD

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