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Continuous wave observation of massive polariton redistribution by stimulated scattering in semiconductor microcavities

Stevenson, R.M., Astratov, V.N., Skolnick, M.S., Whittaker, D.M., Emam-Ismail, M., Tartakovskii, A.I., Savvidis, P.G., Baumberg, J.J. and Roberts, J.S. (2000) Continuous wave observation of massive polariton redistribution by stimulated scattering in semiconductor microcavities. Physical Review Letters, 85 (17). pp. 3680-3683. ISSN 0031-9007

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Abstract

A massive redistribution of the polariton occupancy to two specific wave vectors is observed under conditions of continuous wave excitation of a semiconductor microcavity. The “condensation” of the polaritons to the two specific states arises from stimulated scattering at final state occupancies of order unity. The stimulation phenomena, arising due to the bosonic character of the polariton quasiparticles, occur for conditions of resonant excitation of the lower polariton branch. High energy nonresonant excitation, as in most previous work, instead leads to conventional lasing in the vertical cavity structure.

Item Type: Article
Copyright, Publisher and Additional Information: © 2000 The American Physical Society. Reproduced in accordance with the publisher’s self-archiving policy.
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Electronic and Electrical Engineering (Sheffield)
The University of Sheffield > Faculty of Science (Sheffield) > Department of Physics and Astronomy (Sheffield)
Depositing User: Repository Assistant
Date Deposited: 27 Jul 2006
Last Modified: 09 Jun 2014 10:38
Published Version: http://link.aps.org/abstract/PRL/v85/p3680
Status: Published
Publisher: American Institute of Physics
Refereed: Yes
Identification Number: 10.1103/PhysRevLett.85.3680
URI: http://eprints.whiterose.ac.uk/id/eprint/1465

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