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Journal Articles Applied Physics Letters Year : 2011

Polariton lasing in a hybrid bulk ZnO microcavity

Thierry Guillet
Christelle Brimont
Thierry Bretagnon
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Abstract

We demonstrate polariton lasing in a bulk ZnO planar microcavity under non-resonant optical pumping at a small negative detuning (delta~-1/6 the 130 meV vacuum Rabi splitting) and a temperature of 120 K. The strong coupling regime is maintained at lasing threshold since the coherent nonlinear emission from the lower polariton branch (LPB) occurs at zero in-plane wavevector well below the uncoupled cavity mode. The contribution of multiple localized polariton modes above threshold and the non-thermal polariton statistics show that the system is in a far-from-equilibrium regime, likely related to the moderate photon lifetime and in-plane photonic disorder in the cavity.
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hal-00633265 , version 1 (18-10-2011)

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Thierry Guillet, Meletios Mexis, J. Levrat, G. Rossbach, Christelle Brimont, et al.. Polariton lasing in a hybrid bulk ZnO microcavity. Applied Physics Letters, 2011, 99, pp.161104. ⟨10.1063/1.3650268⟩. ⟨hal-00633265⟩
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