title: Temperature and magnetic field effects on the transport controlled charge state of a single quantum dot.
abstract: Individual InAs/GaAs quantum dots are studied by micro-photoluminescence. By varying the strength of an applied external magnetic field and/or the temperature, it is demonstrated that the charge state of a single quantum dot can be tuned. This tuning effect is shown to be related to the in-plane electron and hole transport, prior to capture into the quantum dot, since the photo-excited carriers are primarily generated in the barrier.
authors.affiliation: IFM, Semiconductor Materials, Linköping University, 58183, Linköping, Sweden. alarsson@ifm.liu.se.
authors.forename: L A
authors.initials: LA
authors.lastname: Larsson
authors.forename: M
authors.initials: M
authors.lastname: Larsson
authors.forename: Es
authors.initials: E
authors.lastname: Moskalenko
authors.forename: Po
authors.initials: P
authors.lastname: Holtz