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Stimulated spin dynamics of polaritons in semiconductor microcavities

Stimulated spin dynamics of polaritons in semiconductor microcavities
Stimulated spin dynamics of polaritons in semiconductor microcavities
Time-resolved polarization spectroscopy of polariton pair scattering in semiconductor microcavities enables complete measurement of the polariton spin dynamics. In addition to spin-preserving interactions previously reported, we observe two additional even stronger scattering processes, which mix polaritons of opposite spin. Because of the polaritons' bosonic character, this results in the stimulation of spin flips. Such mechanisms should allow realization of spin-sensitive interferometers.
1550-235X
161310-[4pp]
Lagoudakis, P.G.
ea50c228-f006-4edf-8459-60015d961bbf
Savvidis, P.G.
94ddd90f-ba89-4a68-85ca-5581f33105de
Baumberg, J.J.
78e1ea7e-8c70-404c-bf84-59aafe75cd07
Whittaker, D.M.
c2c77600-df06-4a2a-81a2-628964c9204c
Eastham, P.R.
29c566dd-a026-4a1c-a5f9-30a14fea0cd8
Skolnick, M.S.
f3155840-dc44-4f68-8329-a139a585cc6a
Roberts, J.S.
c4eae59e-8356-4436-b317-670038103d16
Lagoudakis, P.G.
ea50c228-f006-4edf-8459-60015d961bbf
Savvidis, P.G.
94ddd90f-ba89-4a68-85ca-5581f33105de
Baumberg, J.J.
78e1ea7e-8c70-404c-bf84-59aafe75cd07
Whittaker, D.M.
c2c77600-df06-4a2a-81a2-628964c9204c
Eastham, P.R.
29c566dd-a026-4a1c-a5f9-30a14fea0cd8
Skolnick, M.S.
f3155840-dc44-4f68-8329-a139a585cc6a
Roberts, J.S.
c4eae59e-8356-4436-b317-670038103d16

Lagoudakis, P.G., Savvidis, P.G., Baumberg, J.J., Whittaker, D.M., Eastham, P.R., Skolnick, M.S. and Roberts, J.S. (2002) Stimulated spin dynamics of polaritons in semiconductor microcavities. Physical Review B, 65 (16), 161310-[4pp]. (doi:10.1103/PhysRevB.65.161310).

Record type: Article

Abstract

Time-resolved polarization spectroscopy of polariton pair scattering in semiconductor microcavities enables complete measurement of the polariton spin dynamics. In addition to spin-preserving interactions previously reported, we observe two additional even stronger scattering processes, which mix polaritons of opposite spin. Because of the polaritons' bosonic character, this results in the stimulation of spin flips. Such mechanisms should allow realization of spin-sensitive interferometers.

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Published date: April 2002

Identifiers

Local EPrints ID: 256690
URI: http://eprints.soton.ac.uk/id/eprint/256690
ISSN: 1550-235X
PURE UUID: 8ca5991e-4d45-49d3-bcaa-0c56ddb0be56

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Date deposited: 18 Jul 2002
Last modified: 25 Nov 2019 21:09

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