Longitudinal optical phonon assisted polariton laser

We demonstrate the role of longitudinal optical (LO)-phonon assisted polariton relaxation in reducing the stimulation threshold in strongly coupled microcavities. When the energy of the relaxation bottleneck is one LO-phonon above the ground polariton state, we observe a tenfold improvement of the p...

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Veröffentlicht in:Applied physics letters 2010-09, Vol.97 (11), p.111110-111110-3
Hauptverfasser: Maragkou, M., Grundy, A. J. D., Ostatnický, T., Lagoudakis, P. G.
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creator Maragkou, M.
Grundy, A. J. D.
Ostatnický, T.
Lagoudakis, P. G.
description We demonstrate the role of longitudinal optical (LO)-phonon assisted polariton relaxation in reducing the stimulation threshold in strongly coupled microcavities. When the energy of the relaxation bottleneck is one LO-phonon above the ground polariton state, we observe a tenfold improvement of the polariton relaxation rate in the linear regime, and a twofold reduction in the threshold to the nonlinear polariton lasing regime.
doi_str_mv 10.1063/1.3488012
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title Longitudinal optical phonon assisted polariton laser
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