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Electron-polariton scattering in semiconductor microcavities

Electron-polariton scattering in semiconductor microcavities
Electron-polariton scattering in semiconductor microcavities
In semiconductor microcavities, electron-polariton scattering has been proposed as an efficient process that can drive polaritons from the bottleneck region to the ground state, achieving Bose amplification of the optical emission. We present clear experimental observation of this process in a structure that allows control of the electron density and we report substantial enhancement of photoluminescence. We show that this enhancement is more effective at higher temperatures due to the different way that electron scattering processes either broaden or relax polaritons.
206401-[4pp]
Lagoudakis, P.G.
ea50c228-f006-4edf-8459-60015d961bbf
Martin, M.D.
569eee6b-5126-4c7d-82cd-34c19b6ff1a2
Baumberg, J.J.
78e1ea7e-8c70-404c-bf84-59aafe75cd07
Qarry, A.
deae5b05-5c50-4747-b86d-7754ea82906a
Cohen, E.
d4a91bd9-8327-4e21-999b-a088634a151a
Pfeiffer, L.N.
4980cf61-b072-4c45-b597-d53782f26bda
Lagoudakis, P.G.
ea50c228-f006-4edf-8459-60015d961bbf
Martin, M.D.
569eee6b-5126-4c7d-82cd-34c19b6ff1a2
Baumberg, J.J.
78e1ea7e-8c70-404c-bf84-59aafe75cd07
Qarry, A.
deae5b05-5c50-4747-b86d-7754ea82906a
Cohen, E.
d4a91bd9-8327-4e21-999b-a088634a151a
Pfeiffer, L.N.
4980cf61-b072-4c45-b597-d53782f26bda

Lagoudakis, P.G., Martin, M.D., Baumberg, J.J., Qarry, A., Cohen, E. and Pfeiffer, L.N. (2003) Electron-polariton scattering in semiconductor microcavities. Physical Review Letters, 90 (20), 206401-[4pp]. (doi:10.1103/PhysRevLett.90.206401).

Record type: Article

Abstract

In semiconductor microcavities, electron-polariton scattering has been proposed as an efficient process that can drive polaritons from the bottleneck region to the ground state, achieving Bose amplification of the optical emission. We present clear experimental observation of this process in a structure that allows control of the electron density and we report substantial enhancement of photoluminescence. We show that this enhancement is more effective at higher temperatures due to the different way that electron scattering processes either broaden or relax polaritons.

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Published date: 2003
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Organisations: Nanoelectronics and Nanotechnology
Learn more about Physics & Astronomy research

Identifiers

Local EPrints ID: 259965
URI: http://eprints.soton.ac.uk/id/eprint/259965
DOI: doi:10.1103/PhysRevLett.90.206401
PURE UUID: 9568f4dc-8c92-47ee-b909-643e4a3548b5
ORCID for P.G. Lagoudakis: ORCID iD orcid.org/0000-0002-3557-5299

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Date deposited: 21 Oct 2004
Last modified: 09 Jan 2022 03:09

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Contributors

Author: P.G. Lagoudakis ORCID iD
Author: M.D. Martin
Author: J.J. Baumberg
Author: A. Qarry
Author: E. Cohen
Author: L.N. Pfeiffer

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