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Spin transport of excitons

Spin transport of excitons
Spin transport of excitons
We report on observation of the spin transport of spatially indirect excitons in GaAs/AlGaAs coupled quantum wells (CQW). Exciton spin transport over substantial distances, up to several micrometers in the present work, is achieved due to orders of magnitude enhancement of the exciton spin relaxation time in CQW with respect to conventional quantum wells.
1530-6984
4204-4208
Leonard, J.R.
d9b61428-abfb-4e20-8522-d8001a8f1419
Kuznetsova, Y.Y.
e48d52e4-93d0-41a9-a7b8-92d0b7beec9a
Yang, Sen
d65addd5-43fa-41b4-bc76-a3454a5f1d66
Butov, L.V.
d21bf807-ebb3-4239-9b1f-35c0724586ab
Ostatnicky, T.
de4a407d-08a2-47a7-8501-c679947beed7
Kavokin, A.
70ffda66-cfab-4365-b2db-c15e4fa1116b
Gossard, A.C.
0bf0e37b-a9f2-4244-9b61-d1246872c0e0
Leonard, J.R.
d9b61428-abfb-4e20-8522-d8001a8f1419
Kuznetsova, Y.Y.
e48d52e4-93d0-41a9-a7b8-92d0b7beec9a
Yang, Sen
d65addd5-43fa-41b4-bc76-a3454a5f1d66
Butov, L.V.
d21bf807-ebb3-4239-9b1f-35c0724586ab
Ostatnicky, T.
de4a407d-08a2-47a7-8501-c679947beed7
Kavokin, A.
70ffda66-cfab-4365-b2db-c15e4fa1116b
Gossard, A.C.
0bf0e37b-a9f2-4244-9b61-d1246872c0e0

Leonard, J.R., Kuznetsova, Y.Y., Yang, Sen, Butov, L.V., Ostatnicky, T., Kavokin, A. and Gossard, A.C. (2009) Spin transport of excitons. Nano Letters, 9 (12), 4204-4208. (doi:10.1021/nl9024227).

Record type: Article

Abstract

We report on observation of the spin transport of spatially indirect excitons in GaAs/AlGaAs coupled quantum wells (CQW). Exciton spin transport over substantial distances, up to several micrometers in the present work, is achieved due to orders of magnitude enhancement of the exciton spin relaxation time in CQW with respect to conventional quantum wells.

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Published date: 25 September 2009

Identifiers

Local EPrints ID: 149761
URI: http://eprints.soton.ac.uk/id/eprint/149761
ISSN: 1530-6984
PURE UUID: ffd52a7a-a2d7-42ec-866b-071aa5d27854

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Date deposited: 04 May 2010 08:41
Last modified: 20 Nov 2021 00:48

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Contributors

Author: J.R. Leonard
Author: Y.Y. Kuznetsova
Author: Sen Yang
Author: L.V. Butov
Author: T. Ostatnicky
Author: A. Kavokin
Author: A.C. Gossard

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