Collective spontaneous emission from pairs of quantum dots: long-range vs. short-range couplings

Details Collective spontaneous emission from pairs of quantum dots: long-range vs. short-range couplings Collective spontaneous emission from pairs of quantum dots: long-range vs. short-range couplings

2011-08-26

arxiv.org/abs/1108.5337v1

Acta Phys. Pol. 120, 865 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

3 pages, 2 figures. Conference "Jaszowiec 2011"

Scientific paper

We study the spontaneous emission from a coherently delocalized exciton state in a double quantum dot as a function of the distance between the dots, focusing on the similarities and differences between the cases of radiative (long-range, dipole) and tunnel coupling between the excitons in the dots. We show that there may be no qualitative difference between the collective emission induced by these two coupling types in spite of their essentially different physical properties.

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