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Asymmetric angular emission in semiconductor microcavities

Asymmetric angular emission in semiconductor microcavities
Asymmetric angular emission in semiconductor microcavities
Strongly angular-dependent emission properties are observed from a semiconductor microcavity pumped along a critical angle of incidence. In contrast to the luminescence from conventional semiconductor heterostructures, the emission is completely asymmetrical with respect to the sample normal. The results imply that parametric scattering dominates the energy relaxation of polaritons, and is enhanced by the deformed shape of the dispersion relations.
278-281
Savvidis, P.G.
94ddd90f-ba89-4a68-85ca-5581f33105de
Baumberg, J.J.
78e1ea7e-8c70-404c-bf84-59aafe75cd07
Stevenson, R.M.
aeca1469-391c-4574-a511-06e27b4c61c7
Skolnick, M.S.
f3155840-dc44-4f68-8329-a139a585cc6a
Whittaker, D.M.
c2c77600-df06-4a2a-81a2-628964c9204c
Roberts, J.S.
c4eae59e-8356-4436-b317-670038103d16
Savvidis, P.G.
94ddd90f-ba89-4a68-85ca-5581f33105de
Baumberg, J.J.
78e1ea7e-8c70-404c-bf84-59aafe75cd07
Stevenson, R.M.
aeca1469-391c-4574-a511-06e27b4c61c7
Skolnick, M.S.
f3155840-dc44-4f68-8329-a139a585cc6a
Whittaker, D.M.
c2c77600-df06-4a2a-81a2-628964c9204c
Roberts, J.S.
c4eae59e-8356-4436-b317-670038103d16

Savvidis, P.G., Baumberg, J.J., Stevenson, R.M., Skolnick, M.S., Whittaker, D.M. and Roberts, J.S. (2000) Asymmetric angular emission in semiconductor microcavities. Physical Review B, 62 (20), 278-281, [R13278(R)]. (doi:10.1103/PhysRevB.62.R13278).

Record type: Article

Abstract

Strongly angular-dependent emission properties are observed from a semiconductor microcavity pumped along a critical angle of incidence. In contrast to the luminescence from conventional semiconductor heterostructures, the emission is completely asymmetrical with respect to the sample normal. The results imply that parametric scattering dominates the energy relaxation of polaritons, and is enhanced by the deformed shape of the dispersion relations.

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Published date: November 2000
Organisations: Nanoelectronics and Nanotechnology
Learn more about Physics & Astronomy research

Identifiers

Local EPrints ID: 256698
URI: http://eprints.soton.ac.uk/id/eprint/256698
DOI: doi:10.1103/PhysRevB.62.R13278
PURE UUID: 36d1d642-3263-4307-b32b-7738c53ccae4

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Date deposited: 19 Jul 2002
Last modified: 14 Mar 2024 05:47

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Contributors

Author: P.G. Savvidis
Author: J.J. Baumberg
Author: R.M. Stevenson
Author: M.S. Skolnick
Author: D.M. Whittaker
Author: J.S. Roberts

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