Nonlinear dynamics of polariton scattering in semiconductor microcavity: bistability vs stimulated scattering

Details Nonlinear dynamics of polariton scattering in semiconductor microcavity: bistability vs stimulated scattering Nonlinear dynamics of polariton scattering in semiconductor microcavity: bistability vs stimulated scattering

2003-12-09

arxiv.org/abs/cond-mat/0312214v2

Physics

Condensed Matter

Other Condensed Matter

5 pages, 4 Postscript figures; corrected typos

Scientific paper

10.1209/epl/i2004-10133-6

We demonstrate experimentally an unusual behavior of the parametric polariton scattering in semiconductor microcavity under a strong cw resonant excitation. The maximum of the scattered signal above the threshold of stimulated parametric scattering does not shift along the microcavity lower polariton branch with the change of pump detuning or angle of incidence but is stuck around the normal direction. We show theoretically that such a behavior can be modelled numerically by a system of Maxwell and nonlinear Schroedinger equations for cavity polaritons and explained via the competition between the bistability of a driven nonlinear MC polariton and the instabilities of parametric polariton-polariton scattering.

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