Few-photons model of the optical emission of semiconductor quantum dots

Details Few-photons model of the optical emission of semiconductor quantum dots Few-photons model of the optical emission of semiconductor quantum dots

2009-04-22

arxiv.org/abs/0904.3454v2

Phys. Rev. Lett. 103, 087407 (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Paper slightly shortened. Accepted for publication in Physical Review Letters

Scientific paper

10.1103/PhysRevLett.103.087407

The Jaynes-Cummings model provides a well established theoretical framework for single electron two level systems in a radiation field. Similar exactly solvable models for semiconductor light emitters such as quantum dots dominated by many particle interactions are not known. We access these systems by a generalized cluster expansion, the photon-probability-cluster-expansion: a reliable approach for few photon dynamics in many body electron systems. As a first application, we discuss vacuum Rabi flopping and show that their amplitude determines the number of electrons in the quantum dot.

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