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Propagation and scattering of exciton-polaritons in a graded semiconductor microcavity

Propagation and scattering of exciton-polaritons in a graded semiconductor microcavity
Propagation and scattering of exciton-polaritons in a graded semiconductor microcavity
Acceleration of the in-plane motion of photons inside the cavity wedge is a well known effect. Acceleration of exciton-polaritons in the same system seemed to be impossible because of the cavity selection rules. Nevertheless, we have observed it experimentally by means of time- and spatially-resolved reflection spectroscopy. The phenomenon is explained in terms of elastic scattering of the polaritons between optically forbidden and allowed states.
71.35.-y, 71.36.+c, 78.47.+p, 78.55.Cr, S7.12
0031-8965
339-343
Sermage, B.
6709441a-07a2-441d-8855-42064f759d66
Thierry-Mieg, V.
18c194f2-451f-402c-b1d0-94e0bfa0f8aa
Malpuech, G.
da5f02e8-b721-4a4b-a3fc-cb756b396e4a
Kavokin, A.V.
70ffda66-cfab-4365-b2db-c15e4fa1116b
Sermage, B.
6709441a-07a2-441d-8855-42064f759d66
Thierry-Mieg, V.
18c194f2-451f-402c-b1d0-94e0bfa0f8aa
Malpuech, G.
da5f02e8-b721-4a4b-a3fc-cb756b396e4a
Kavokin, A.V.
70ffda66-cfab-4365-b2db-c15e4fa1116b

Sermage, B., Thierry-Mieg, V., Malpuech, G. and Kavokin, A.V. (2002) Propagation and scattering of exciton-polaritons in a graded semiconductor microcavity. Physica Status Solidi A-Applied Research, 190 (2), 339-343. (doi:10.1002/1521-396X(200204)190:2<339::AID-PSSA339>3.0.CO;2-C).

Record type: Article

Abstract

Acceleration of the in-plane motion of photons inside the cavity wedge is a well known effect. Acceleration of exciton-polaritons in the same system seemed to be impossible because of the cavity selection rules. Nevertheless, we have observed it experimentally by means of time- and spatially-resolved reflection spectroscopy. The phenomenon is explained in terms of elastic scattering of the polaritons between optically forbidden and allowed states.

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More information

Submitted date: 4 September 2001
Published date: 2002
Keywords: 71.35.-y, 71.36.+c, 78.47.+p, 78.55.Cr, S7.12
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Identifiers

Local EPrints ID: 57588
URI: http://eprints.soton.ac.uk/id/eprint/57588
DOI: doi:10.1002/1521-396X(200204)190:2<339::AID-PSSA339>3.0.CO;2-C
ISSN: 0031-8965
PURE UUID: e9abdf43-71c1-4f36-b424-321804aa6f74

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Date deposited: 14 Aug 2008
Last modified: 15 Mar 2024 11:07

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Contributors

Author: B. Sermage
Author: V. Thierry-Mieg
Author: G. Malpuech
Author: A.V. Kavokin

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