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Electron-beam-driven collective-mode metamaterial light source

Electron-beam-driven collective-mode metamaterial light source
Electron-beam-driven collective-mode metamaterial light source
We demonstrate experimentally that the energy from a highly localized free-electron-beam excitation can be converted via a planar plasmonic metamaterial to a low-divergence free-space light beam. This emission, which emanates from a collectively oscillating coupled metamolecule nanoantenna ensemble much larger in size than the initial excitation, is distinctly different from cathodoluminescence and bears some similarity with laser light. It offers a novel, flexible paradigm for the development of scalable, threshold-free light sources.
Adamo, Giorgio
73480dbd-5d3e-415a-b569-9606b3dbeecc
Ou, Jun-Yu
3fb703e3-b222-46d2-b4ee-75f296d9d64d
So, J.K.
06a7afea-61c2-439d-9ac4-047ea21a909b
Jenkins, S.D.
65d861fb-b85a-4927-805a-7c906fca26c6
De Angelis, F.
756de3f3-3aa1-456b-9931-8b48f0e71a47
MacDonald, Kevin F.
76c84116-aad1-4973-b917-7ca63935dba5
Di Fabrizio, E.
548c09c1-ce38-4037-bb49-d18ed1c834b7
Ruostekoski, J.
2beb155e-64b0-4ee9-9cfe-079947a9c9f4
Zheludev, Nikolay I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Adamo, Giorgio
73480dbd-5d3e-415a-b569-9606b3dbeecc
Ou, Jun-Yu
3fb703e3-b222-46d2-b4ee-75f296d9d64d
So, J.K.
06a7afea-61c2-439d-9ac4-047ea21a909b
Jenkins, S.D.
65d861fb-b85a-4927-805a-7c906fca26c6
De Angelis, F.
756de3f3-3aa1-456b-9931-8b48f0e71a47
MacDonald, Kevin F.
76c84116-aad1-4973-b917-7ca63935dba5
Di Fabrizio, E.
548c09c1-ce38-4037-bb49-d18ed1c834b7
Ruostekoski, J.
2beb155e-64b0-4ee9-9cfe-079947a9c9f4
Zheludev, Nikolay I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Adamo, Giorgio, Ou, Jun-Yu, So, J.K., Jenkins, S.D., De Angelis, F., MacDonald, Kevin F., Di Fabrizio, E., Ruostekoski, J. and Zheludev, Nikolay I. (2012) Electron-beam-driven collective-mode metamaterial light source. Physical Review Letters, 109, [217401]. (doi:10.1103/PhysRevLett.109.217401).

Record type: Article

Abstract

We demonstrate experimentally that the energy from a highly localized free-electron-beam excitation can be converted via a planar plasmonic metamaterial to a low-divergence free-space light beam. This emission, which emanates from a collectively oscillating coupled metamolecule nanoantenna ensemble much larger in size than the initial excitation, is distinctly different from cathodoluminescence and bears some similarity with laser light. It offers a novel, flexible paradigm for the development of scalable, threshold-free light sources.

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More information

Published date: 20 November 2012
Organisations: Optoelectronics Research Centre, Applied Mathematics
Learn more about Optoelectronics Research Centre research

Identifiers

Local EPrints ID: 346068
URI: http://eprints.soton.ac.uk/id/eprint/346068
DOI: doi:10.1103/PhysRevLett.109.217401
PURE UUID: 2b9a3269-2919-42db-b53d-86115d42f2bd
ORCID for Jun-Yu Ou: ORCID iD orcid.org/0000-0001-8028-6130
ORCID for Kevin F. MacDonald: ORCID iD orcid.org/0000-0002-3877-2976
ORCID for Nikolay I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 14 Dec 2012 11:12
Last modified: 15 Mar 2024 03:39

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Contributors

Author: Giorgio Adamo
Author: Jun-Yu Ou ORCID iD
Author: J.K. So
Author: S.D. Jenkins
Author: F. De Angelis
Author: Kevin F. MacDonald ORCID iD
Author: E. Di Fabrizio
Author: J. Ruostekoski
Author: Nikolay I. Zheludev ORCID iD

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