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Coexistence of low threshold lasing and strong coupling in microcavities

Lagoudakis, P.G., Martin-Fernandez, M.D., Baumberg, J.J., Malpuech, G. and Kavokin, A. (2004) Coexistence of low threshold lasing and strong coupling in microcavities Journal of Applied Physics, 95, (5), pp. 2487-2489. (doi:10.1063/1.1643191).

Record type: Article


We report the coexistence of low threshold lasing and strong coupling in a high-quality semiconductor microcavity under near-resonant optical pumping. A sharp laser mode splits from the lower-polariton branch and approaches the bare cavity mode frequency as the pump power increases. The lasing is produced by low density localized exciton states, which are weakly coupled to the cavity mode. The appearance of this lasing mode distinguishes quantum-well excitons into those which are strongly or weakly coupled with the cavity mode.

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Published date: 1 March 2004
Keywords: semiconductor microcavities lasing threshold


Local EPrints ID: 11159
ISSN: 0021-8979
PURE UUID: b11b86eb-1084-485b-9602-80afffbc2891

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Date deposited: 29 Oct 2004
Last modified: 17 Jul 2017 17:04

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Author: P.G. Lagoudakis
Author: M.D. Martin-Fernandez
Author: J.J. Baumberg
Author: G. Malpuech
Author: A. Kavokin

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