Skip to Main Content
Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.1949717
We have studied the coherent dynamics of injected electrons when they are either free or bound in excitons and trions (charged excitons). We have considered a remotely doped asymmetric double quantum well where an excess of free electrons together with direct-created excitons generates trions. We have used the matrix density formalism to analyze the electron dynamics for different concentrations of the three species. Calculations show a significant modification of the free-electron intersublevel oscillations caused by electrons bound in excitons and trions. Based on these calculations we propose a method to detect trions through the emitted electromagnetic radiation or the current density.