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Quantum Simulation

Ultrafast control of inelastic tunneling in a double semiconductor quantum

arXiv
Authors: Michael Schueler, Yaroslav Pavlyukh, Jamal Berakdar

Year

2010

Paper ID

10921

Status

Preprint

Abstract Read

~2 min

Abstract Words

98

Citations

N/A

Abstract

In a semiconductor-based double quantum well (QW) coupled to a degree of freedom with an internal dynamics, we demonstrate that the electronic motion is controllable within femtoseconds by applying appropriately shaped electromagnetic pulses. In particular, we consider a pulse-driven AlxGa1-xAs based symmetric double QW coupled to uniformly distributed or localized vibrational modes and present analytical results for the lowest two levels. These predictions are assessed and generalized by full-fledged numerical simulations showing that localization and time-stabilization of the driven electron dynamics is indeed possible under the conditions identified here, even with a simultaneous excitations of vibrational modes.

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  • In a semiconductor-based double quantum well (QW) coupled to a degree of freedom with an internal dynamics, we demonstrate that the electronic motion is controllable within...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1010.2004 [2] arXiv https://arxiv.org/abs/1010.2004 [3] Publisher https://arxiv.org/abs/1010.2004

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