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Proceedings Paper

Transient Electronic Phenomena in a Highly Excited II-VI Compound Semiconductor Quantum Well: CdTe/(Cd,Mn)Te
Author(s): Donghan Lee; Arto V. Nurmikko; Leslie A. Kolodziejski; Robert L. Gunshor
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Paper Abstract

Experimental results of quasi steady state and time-resolved luminescence spectroscopy are reported from highly excited CdTe quantum wells and discussed in terms of the exciton and electron-hole plasma (EHP) phases. Steady state spectra shows the presence of three principal regimes with increasing excitation intensity: exciton gas in the collision dominated regime, exciton-EHP phase transition, and the plasma dominated regime with bandgap renormalization. The phase transition regime has been further investigated by time-resolved spectroscopy which indicates a degree of coexistence for the dense exciton and EHP phases shortly following the excitation by a short laser pulse.

Paper Details

Date Published: 22 August 1988
PDF: 5 pages
Proc. SPIE 0942, Ultrafast Laser Probe Phenomena in Bulk and Microstructure Semiconductors II, (22 August 1988); doi: 10.1117/12.947221
Show Author Affiliations
Donghan Lee, Brown University (United States)
Arto V. Nurmikko, Brown University (United States)
Leslie A. Kolodziejski, Purdue University (United States)
Robert L. Gunshor, Purdue University (United States)

Published in SPIE Proceedings Vol. 0942:
Ultrafast Laser Probe Phenomena in Bulk and Microstructure Semiconductors II
Robert R. Alfano, Editor(s)

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