Stimulated secondary  emission from semiconductor  microcavities

John Erland Østergaard; V. Mizeikis; Wolfgang Werner Langbein; Jacob Riis Jensen; Jørn Märcher Hvam

doi:10.1103/PhysRevLett.86.5791

Stimulated secondary emission from semiconductor microcavities

John Erland Østergaard, V. Mizeikis, Wolfgang Werner Langbein, Jacob Riis Jensen, Jørn Märcher Hvam

Technical University of Denmark

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Abstract

We find strong influence of final-state stimulation on the time-resolved light emission dynamics from semiconductor microcavities after pulsed excitation allowing angle-resonant polariton-polariton scattering on the lower-polariton branch. The polariton dynamics can be controlled by injection of final-state polaritons at densities below a polariton saturation density of 5 x 108 cm(-2). A bosonic enhancement factor in the dynamics of up to 700 is evaluated.

Original language	English
Journal	Physical Review Letters
Volume	86
Issue number	25
Pages (from-to)	5791-5794
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.86.5791
Publication status	Published - 2001

Bibliographical note

Copyright (2001) American Physical Society

Keywords

PHOTOLUMINESCENCE
POLARITON
SCATTERING
DISORDER

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10.1103/PhysRevLett.86.5791

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http://link.aps.org/doi/10.1103/PhysRevLett.86.5791

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abstract = "We find strong influence of final-state stimulation on the time-resolved light emission dynamics from semiconductor microcavities after pulsed excitation allowing angle-resonant polariton-polariton scattering on the lower-polariton branch. The polariton dynamics can be controlled by injection of final-state polaritons at densities below a polariton saturation density of 5 x 108 cm(-2). A bosonic enhancement factor in the dynamics of up to 700 is evaluated.",

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AU - Hvam, Jørn Märcher

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AB - We find strong influence of final-state stimulation on the time-resolved light emission dynamics from semiconductor microcavities after pulsed excitation allowing angle-resonant polariton-polariton scattering on the lower-polariton branch. The polariton dynamics can be controlled by injection of final-state polaritons at densities below a polariton saturation density of 5 x 108 cm(-2). A bosonic enhancement factor in the dynamics of up to 700 is evaluated.

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