Stark effect on the exciton complexes of individual quantum dots

Details Stark effect on the exciton complexes of individual quantum dots Stark effect on the exciton complexes of individual quantum dots

2005-10-17

arxiv.org/abs/cond-mat/0510431v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

13pages and 7 figures

Scientific paper

The emission spectrum of exciton complexes formed in individual self-assembled quantum dots (QDs) embedded into a p-n junction is theoretically studied using an effective mass model. We calculate the particle Coulomb interactions, eletron-hole overlaps and transition energies of exciton complexes for the different strength and direction of electric field. Both redshifts and blueshifts are observed in exciton, trions and biexciton. The Stark effect may be applied to manipulate the spontaneous emission rate of individual QDs embedded in microcavities.

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