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Article Dans Une Revue Applied Physics Letters Année : 2008

Nonlinear relaxation of zero-dimension-trapped microcavity polaritons

Résumé

We study the emission properties of confined polariton states in shallow zero-dimensional traps under non resonant excitation. We evidence several relaxation regimes. For slightly negative photon-exciton detuning, we observe a nonlinear increase of the emission intensity, characteristic of carrier-carrier scattering assisted relaxation under strong-coupling regime. This demonstrates the efficient relaxation toward a confined state of the system. For slightly positive detuning, we observe the transition from strong to weak coupling regime and then to single-mode lasing.

Dates et versions

hal-00805877 , version 1 (29-03-2013)

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Ounsi El Daif, Gaël Nardin, Taofiq Paraïso, Augustin Baas, Maxime Richard, et al.. Nonlinear relaxation of zero-dimension-trapped microcavity polaritons. Applied Physics Letters, 2008, 92, pp.081910. ⟨10.1063/1.2885018⟩. ⟨hal-00805877⟩
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