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Giant femtosecond optical nonlinearity of gold metamaterial nanostructures

Giant femtosecond optical nonlinearity of gold metamaterial nanostructures
Giant femtosecond optical nonlinearity of gold metamaterial nanostructures
We demonstrate that the magnitude and sign of the third-order nonlinear susceptibility of plasmonic metals can be controlled by nanostructuring. By patterning a gold film on the nanoscale to support a high quality plasmonic mode, enhancement of its two-photon absorption coefficient by two orders of magnitude is realized. With a response time of <115 fs, nonlinear gold metamaterials have potential applications in ultrafast optical limiting and all-optical data processing with terahertz bandwidth.
Ren, M.
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Jia, B.
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Ou, J-Y.
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Plum, E.
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MacDonald, K.F.
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Nikolaenko, A.E.
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Xu, J.J.
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Gu, M.
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Zheludev, N.I.
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Ren, M.
85c262e2-b760-4b14-bb8e-4747ce7a9d6d
Jia, B.
70bc629f-74e2-4306-8d5f-8ec45dd63bfc
Ou, J-Y.
3fb703e3-b222-46d2-b4ee-75f296d9d64d
Plum, E.
50761a26-2982-40df-9153-7aecc4226eb5
MacDonald, K.F.
76c84116-aad1-4973-b917-7ca63935dba5
Nikolaenko, A.E.
62341850-7828-48f6-8d5a-3778f44d170c
Xu, J.J.
505e1982-22e9-48a6-adbe-0fbcc66cd008
Gu, M.
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Zheludev, N.I.
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Ren, M., Jia, B., Ou, J-Y., Plum, E., MacDonald, K.F., Nikolaenko, A.E., Xu, J.J., Gu, M. and Zheludev, N.I. (2011) Giant femtosecond optical nonlinearity of gold metamaterial nanostructures. Metamaterials 2011, Spain. 10 - 15 Oct 2011. 3 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

We demonstrate that the magnitude and sign of the third-order nonlinear susceptibility of plasmonic metals can be controlled by nanostructuring. By patterning a gold film on the nanoscale to support a high quality plasmonic mode, enhancement of its two-photon absorption coefficient by two orders of magnitude is realized. With a response time of <115 fs, nonlinear gold metamaterials have potential applications in ultrafast optical limiting and all-optical data processing with terahertz bandwidth.

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e-pub ahead of print date: October 2011
Published date: October 2011
Venue - Dates: Metamaterials 2011, Spain, 2011-10-10 - 2011-10-15
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 341399
URI: https://eprints.soton.ac.uk/id/eprint/341399
PURE UUID: 669e863d-45c4-43e7-99ba-ed05f33bfc59
ORCID for J-Y. Ou: ORCID iD orcid.org/0000-0001-8028-6130
ORCID for E. Plum: ORCID iD orcid.org/0000-0002-1552-1840
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

Catalogue record

Date deposited: 24 Jul 2012 10:34
Last modified: 24 Aug 2019 00:37

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Contributors

Author: M. Ren
Author: B. Jia
Author: J-Y. Ou ORCID iD
Author: E. Plum ORCID iD
Author: K.F. MacDonald ORCID iD
Author: A.E. Nikolaenko
Author: J.J. Xu
Author: M. Gu
Author: N.I. Zheludev ORCID iD

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