Excitons in Electrostatic Traps
arXiv:cond-mat/0504045 · doi:10.1063/1.2181276
Abstract
We consider in-plane electrostatic traps for indirect excitons in coupled quantum wells, where the traps are formed by a laterally modulated gate voltage. An intrinsic obstacle for exciton confinement in electrostatic traps is an in-plane electric field that can lead to exciton dissociation. We propose a design to suppress the in-plane electric field and, at the same time, to effectively confine excitons in the electrostatic traps. We present calculations for various classes of electrostatic traps and experimental proof of principle for trapping of indirect excitons in electrostatic traps.
4 pages, 3 figures
References in corpus (3)
Cited by in corpus (42)
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- Observations of indirect exciton trapping in one- and two-dimensional magnetic lattices
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