Nonlinear relaxation of 0-dimension-trapped microcavity polaritons

Details Nonlinear relaxation of 0-dimension-trapped microcavity polaritons Nonlinear relaxation of 0-dimension-trapped microcavity polaritons

2009-05-19

arxiv.org/abs/0905.3186v1

Applied Physics Letters, Vol 92, pages 081910 (2008)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Citations updated with respect to the journal version, and figures made clearer. 8 pages, 4 figures

Scientific paper

10.1063/1.2885018

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 towards 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.

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