Stimulated secondary emission from semiconductor microcavities

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 fin...

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Veröffentlicht in:	Physical review letters 2001-06, Vol.86 (25), p.5791-5794
Hauptverfasser:	Erland, J, Mizeikis, V, Langbein, W, Jensen, J R, Hvam, J M
Format:	Artikel
Sprache:	eng
Schlagworte:	CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS EXCITATION SATURATION SCATTERING SECONDARY EMISSION STIMULATION
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Zusammenfassung:	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 5x10(8) cm(-2). A bosonic enhancement factor in the dynamics of up to 700 is evaluated.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.86.5791