Time-Resolved Emission from Semiconductor Microcavities

• Authors: Ł. Kłopotowski , L. Viña , A. Kavokin , L. Dang , R. André
• Languages of publication: EN

Abstracts

EN

We present a time-resolved study of the light emission of a CdTe-based microcavity. In the nonlinear regime, under high excitation conditions, in the strong coupling regime, we observe pronounced beats of the intensity of the photoluminescence arising from the bottleneck region of the exciton-polariton band. These beats are very sensitive to the excitation density and vanish under weak pumping conditions. We attribute the beats to a new nonlinear coupling mechanism of optically active and dark crystal states, related to polariton-polariton scattering, which leads to mixing between bright and dark states.

Keywords

EN

71.36.+c; 71.55.Gs; 78.47.+p

Discipline

• 71.55.Gs: II-VI semiconductors
• 71.36.+c: Polaritons (including photon-phonon and photon-magnon interactions)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2004
• Volume: 106
• Issue: 3
• Pages: 435-442

Dates

published

2004-09

received

2004-06-10

Contributors

author

Ł. Kłopotowski

• Departamento de Física de Materiales, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain

author

L. Viña

• Departamento de Física de Materiales, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain

author

A. Kavokin

• Université Blaise-Pascal, 24, av des Landais, 63177 Aubiére, France

author

L. Dang

• LASMEA, UMR 6602 CNRS, Laboratoire de Spectrométrie Physique, Université Joseph Fourier, 38402 Grenoble, France

author

R. André

• LASMEA, UMR 6602 CNRS, Laboratoire de Spectrométrie Physique, Université Joseph Fourier, 38402 Grenoble, France

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Identifiers

DOI

10.12693/APhysPolA.106.435