Observation of charged excitons in a back-gated undoped quantum well in the integer and the fractional quantum-Hall regimes is reported in magnetic fields depending on the electron density. We find anomalies of the photoluminescence at integer and fractional filling factors.
|Title of host publication
|International Quantum Electronics Conference 2005
|Number of pages
|Published - 2005
|IQEC, International Quantum Electronics Conference Proceedings