title: Full counting statistics of quantum dot resonance fluorescence.
abstract: The electronic energy levels and optical transitions of a semiconductor quantum dot are subject to dynamics within the solid-state environment. In particular, fluctuating electric fields due to nearby charge traps or other quantum dots shift the transition frequencies via the Stark effect. The environment dynamics are mapped directly onto the fluorescence under resonant excitation and diminish the prospects of quantum dots as sources of indistinguishable photons in optical quantum computing. Here, we present an analysis of resonance fluorescence fluctuations based on photon counting statistics which captures the underlying time-averaged electric field fluctuations of the local environment. The measurement protocol avoids dynamic feedback on the electric environment and the dynamics of the quantum dot's nuclear spin bath by virtue of its resonant nature and by keeping experimental control parameters such as excitation frequency and external fields constant throughout. The method introduced here is experimentally undemanding.
authors.affiliation: 1] Cavendish Laboratory, Department of Physics, University of Cambridge, JJ Thomson Avenue, CB3 0HE Cambridge, UK [2].
authors.forename: Clemens
authors.initials: C
authors.lastname: Matthiesen
authors.affiliation: 1] Cavendish Laboratory, Department of Physics, University of Cambridge, JJ Thomson Avenue, CB3 0HE Cambridge, UK [2].
authors.forename: Megan J
authors.initials: MJ
authors.lastname: Stanley
authors.affiliation: CNRS-CRHEA, rue Bernard Grégory, 06560 Valbonne, France.
authors.forename: Maxime
authors.initials: M
authors.lastname: Hugues
authors.affiliation: EPSRC National Centre for III-V Technologies, University of Sheffield, Sheffield S1 3JD, UK.
authors.forename: Edmund
authors.initials: E
authors.lastname: Clarke
authors.affiliation: Cavendish Laboratory, Department of Physics, University of Cambridge, JJ Thomson Avenue, CB3 0HE Cambridge, UK.
authors.forename: Mete
authors.initials: M
authors.lastname: Atatüre