Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2007-08-14
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
Scientific paper
10.1002/pssb.200777623
We study the system of two quantum dots lying on the central plane of a planar semiconductor microcavity. By solving the full Maxwell problem, we demonstrate that the rate of resonant excitation transfer between the two dots decays as $d^{-1/2}$ as a function of the distance $d$ at long distance. This very long-range mechanism is due to the leaky and guided modes of the microcavity, which act as effective radiative transfer channels. At short distance, the $d^{-3}$ dependence of the F\"orster mechanism, induced by the electrostatic dipole-dipole interaction, is recovered.
Parascandolo Gaetano
Savona Vincenzo
Tarel Guillaume
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