Statistics of excitons in quantum dots and the resulting microcavity emission spectra

Details Statistics of excitons in quantum dots and the resulting microcavity emission spectra Statistics of excitons in quantum dots and the resulting microcavity emission spectra

2005-05-30

arxiv.org/abs/cond-mat/0505728v2

Phys. Rev. B 73, 115343 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Extensively expanded revision, 14 pages, 12 figures, submitted to Phys. Rev. B

Scientific paper

10.1103/PhysRevB.73.115343

A theoretical investigation is presented of the statistics of excitons in quantum dots (QDs) of different sizes. A formalism is developed to build the exciton creation operator in a dot from the single exciton wavefunction and it is shown how this operator evolves from purely fermionic, in case of a small QD, to purely bosonic, in case of large QDs. Nonlinear optical emission spectra of semiconductor microcavities containing single QDs are found to exhibit a peculiar multiplet structure which reduces to Mollow triplet and Rabi doublet in fermionic and bosonic limits, respectively.

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