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Metamaterial engineering of plasmonic metal luminescence

Metamaterial engineering of plasmonic metal luminescence
Metamaterial engineering of plasmonic metal luminescence
While metamaterials research has been focused on engineering the electric, magnetic and nonlinear responses of periodic sub-wavelength metallic structures, we show for the first time that metamaterial structuring can also be used to engineer the luminescent properties of this metal framework.
We demonstrate this experimentally by creating new luminescent bands in metallic gold. While the natural luminescence spectrum of bulk gold is dominated by a peak at about 516 nm resulting from the Fermi level to d-band transition, nanostructuring can create new, intense luminescent lines at frequencies anywhere below the natural band.
The wavelength of the new artificial emission line is linked to the plasmonic mode of metamaterial and its wavelength scales with the metamaterial's unit cell size. Using optical excitation at 400 nm we observed resonant emission in the range from 640 to 710 nm, controlled by scaling the nanostructure. Similar luminescent bands were observed in cathodoluminescence experiments
Ren, M.
85c262e2-b760-4b14-bb8e-4747ce7a9d6d
Adamo, G.
73480dbd-5d3e-415a-b569-9606b3dbeecc
Plum, E.
50761a26-2982-40df-9153-7aecc4226eb5
So, J.
06a7afea-61c2-439d-9ac4-047ea21a909b
MacDonald, K.F.
76c84116-aad1-4973-b917-7ca63935dba5
Xu, J.
e3837799-f55a-4049-a5d5-75b4ed981dd5
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Ren, M.
85c262e2-b760-4b14-bb8e-4747ce7a9d6d
Adamo, G.
73480dbd-5d3e-415a-b569-9606b3dbeecc
Plum, E.
50761a26-2982-40df-9153-7aecc4226eb5
So, J.
06a7afea-61c2-439d-9ac4-047ea21a909b
MacDonald, K.F.
76c84116-aad1-4973-b917-7ca63935dba5
Xu, J.
e3837799-f55a-4049-a5d5-75b4ed981dd5
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Ren, M., Adamo, G., Plum, E., So, J., MacDonald, K.F., Xu, J. and Zheludev, N.I. (2012) Metamaterial engineering of plasmonic metal luminescence. SPIE Photonics Europe 2012, Belgium. 16 - 19 Apr 2012.

Record type: Conference or Workshop Item (Poster)

Abstract

While metamaterials research has been focused on engineering the electric, magnetic and nonlinear responses of periodic sub-wavelength metallic structures, we show for the first time that metamaterial structuring can also be used to engineer the luminescent properties of this metal framework.
We demonstrate this experimentally by creating new luminescent bands in metallic gold. While the natural luminescence spectrum of bulk gold is dominated by a peak at about 516 nm resulting from the Fermi level to d-band transition, nanostructuring can create new, intense luminescent lines at frequencies anywhere below the natural band.
The wavelength of the new artificial emission line is linked to the plasmonic mode of metamaterial and its wavelength scales with the metamaterial's unit cell size. Using optical excitation at 400 nm we observed resonant emission in the range from 640 to 710 nm, controlled by scaling the nanostructure. Similar luminescent bands were observed in cathodoluminescence experiments

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More information

Published date: 2012
Venue - Dates: SPIE Photonics Europe 2012, Belgium, 2012-04-16 - 2012-04-19
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 365094
URI: https://eprints.soton.ac.uk/id/eprint/365094
PURE UUID: 28c05380-031a-4066-a5ea-8031734da48c
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: 22 May 2014 10:23
Last modified: 03 Aug 2019 00:38

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Contributors

Author: M. Ren
Author: G. Adamo
Author: E. Plum ORCID iD
Author: J. So
Author: K.F. MacDonald ORCID iD
Author: J. Xu
Author: N.I. Zheludev ORCID iD

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