Direct detection of time-resolved Rabi oscillations in a single quantum dot via resonance fluorescence

J. R. Schaibley, A. P. Burgers, G. A. McCracken, D. G. Steel, A. S. Bracker, D. Gammon, L. J. Sham

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

Optical Rabi oscillations are coherent population oscillations of a two-level system coupled by an electric dipole transition when driven by a strong nearly resonant optical field. In quantum dot structures, these measurements have typically been performed as a function of the total pulse area ∫Ω0(t)dt where the pulse area varies as a function of Rabi frequency. Here, we report direct detection of the time-resolved coherent transient response of the resonance fluorescence to measure the time evolution of the optical Rabi oscillations in a single charged InAs quantum dot. We extract a decoherence rate consistent with the limit from the excited state lifetime.

Original languageEnglish (US)
Article number115311
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume87
Issue number11
DOIs
StatePublished - Mar 19 2013
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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