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Electric field control and optical signature of entanglement in quantum dot molecules

Gabriel Bester·Alex Zunger
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Abstract

The degree of entanglement of an electron with a hole in a vertically coupled self-assembled dot molecule is shown to be tunable by an external electric field. Using atomistic pseudopotential calculations followed by a configuration interaction many-body treatment of correlations, we calculate the electronic states, degree of entanglement and optical absorption. We offer a novel way to spectroscopically detect the magnitude of electric field needed to maximize the entanglement.

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Gabriel Bester, Alex Zunger. 2005-05-11. Electric field control and optical signature of entanglement in quantum dot molecules. https://doi.org/10.1103/physrevb.72.165334

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