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Conference Paper
International Quantum Electronics Conference
San Francisco, California United States
May 16, 2004
ISBN: 1-55752-770-9
Semiconductor Optical Physics (IMO)

Charge separation of dense 2D electron-hole gases: Cold exciton ring pattern formation

Gang Chen, Ronen Rapaport, Steve Simon, Loren Pfeiffer, Ken West, David Snoke, Yingmei Liu, and Sava Denev


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A novel optically induced, in-plane separation of electrons and holes in modulation doped quantum wells leads to a long-lifetime supply of dense gas of thermalized cold excitons, forming ring emission patterns with large diameters.

© 2004 Optical Society of America

OCIS Codes
(250.0250) Optoelectronics : Optoelectronics
(250.5230) Optoelectronics : Photoluminescence
(300.0300) Spectroscopy : Spectroscopy
(300.6470) Spectroscopy : Spectroscopy, semiconductors

G. Chen, R. Rapaport, S. Simon, L. Pfeiffer, K. West, D. Snoke, Y. Liu, and S. Denev, "Charge separation of dense 2D electron-hole gases: Cold exciton ring pattern formation," 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 IMO1.

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