Photoluminescence of exciton systems confined in small areas evolves into extensive ordered ring structures. These systems exhibit oscillatory long (μs) photoluminescence decays, suggesting continuous exciton formation associated with the carrier injection and space charge buildup.
© 2004 Optical Society of America
C. Lai, A. Gossard, and D. S. Chemla, "Formation mechanisms of statistically degenerate quasi-2D confined exciton systems," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper IMO2.
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