Quantitative aspects of entanglement in the optically driven quantum dots

Details Quantitative aspects of entanglement in the optically driven quantum dots Quantitative aspects of entanglement in the optically driven quantum dots

2007-08-03

arxiv.org/abs/0708.0552v2

Physical Review B, 75, pp. 195310-195316 (2007)

Physics

Quantum Physics

13 pages, 4 figures

Scientific paper

10.1103/PhysRevB.75.195310

We present a novel approach to look for the existence of maximum entanglement in a system of two identical quantum dots coupled by the Forster process and interacting with a classical laser field. Our approach is not only able to explain the existing treatments, but also provides further detailed insights into the coupled dynamics of quantum dots systems. The result demonstrates that there are two ways for generating maximum entangled states, one associated with far off-resonance interaction, and the other associated with the weak field limit. Moreover, it is shown that exciton decoherence results in the decay of entanglement.

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