Title :
Charge separation of dense 2D electron-hole gases: cold exciton ring pattern formation
Author :
Chen, Gang ; Rapaport, R. ; Simon, S.H. ; Pfeiffer, L.N. ; West, K. ; Snoke, D. ; Liu, Y. ; Denev, S.
Abstract :
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
Keywords :
electron density; electron-hole recombination; excitons; hole density; semiconductor quantum wells; solid-state plasma; two-dimensional electron gas; two-dimensional hole gas; 2D electron-hole gases; charge separation; cold electron/hole density; cold exciton; dense electron-hole gases; electron hole plasma recombination; inplane electron-hole separation; modulation doped quantum wells; optically induced electron-hole separation; ring emission patterns; ring pattern formation; thermalized cold excitons;
Conference_Titel :
Quantum Electronics Conference, 2004. (IQEC). International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-778-4
