Anticrossings in Foerster Coupled Quantum Dots

Abstract

We consider two coupled generic quantum dots, each modelled by a simple potential which allows the derivation of an analytical expression for the inter-dot Foerster coupling, in the dipole-dipole approximation. We investigate the energy level behaviour of this coupled two-dot system under the influence of an external applied electric field and predict the presence of anticrossings in the optical spectra due to the Foerster interaction.

13 pages, 7 figures. Published version. Substantially revised, new sections on decay rates, absorption spectra, and tunneling

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