We show that resonance fluorescence, i.e., the resonant emission of a coherently driven two-level system, can be realized with a semiconductor quantum dot. The dot is embedded in a planar optical microcavity and excited in a waveguide mode so as to discriminate its emission from residual laser scattering. The transition from the weak to the strong excitation regime is characterized by the emergence of oscillations in the first-order correlation function of the fluorescence, g(tau), as measured by interferometry. The measurements correspond to a Mollow triplet with a Rabi splitting of up to 13.3 microeV. Second-order correlation measurements further confirm nonclassical light emission.We show that resonance fluorescence, i.e., the resonant emission of a coherently driven two-level system, can be realized with a semiconductor quantum dot. The dot is embedded in a planar optical microcavity and excited in a waveguide mode so as to discriminate its emission from residual laser scattering. The transition from the weak to the strong excitation regime is characterized by the emergence of oscillations in the first-order correlation function of the fluorescence, g(tau), as measured by interferometry. The measurements correspond to a Mollow triplet with a Rabi splitting of up to 13.3 microeV. Second-order correlation measurements further confirm nonclassical light emission.

arXiv:0707.0656Physical Review LettersNov 1, 2007360 citations

Resonance fluorescence from a j=12 to j=12 transition

D. Polder, Martin F. H. Schuurmans

The calculation is given of the spectral distribution of resonance fluorescence from an atom that is driven near a $j=\frac{1}{2}$ to $j=\frac{1}{2}$ transition by a monochromatic, $x$ -polarized electric field and that is subject to radiation damping only. In accordance with Mollow's results for a two-level system, the power spectrum of the scattered radiation corresponding to the $x$ component of the dipole moment contains a coherent part for all driving-field intensities. The coherent part is absent in the fluorescence radiation corresponding to the $y$ and $z$ components of the dipole moment. For weak driving fields all power scattered by these latter components is present in a narrow Lorentzian. Consistent with energy conservation, the width of the Lorentzian corresponds to the probability of excitation of the atom out of its ground level due to the presence of the driving field. For strong driving fields the power spectra corresponding to the $x$ component and to the $y$ or $z$ component mainly differ in the heights and widths of their central incoherent band and their Rabi-precession-frequency-shifted side bands.The calculation is given of the spectral distribution of resonance fluorescence from an atom that is driven near a $j=\frac{1}{2}$ to $j=\frac{1}{2}$ transition by a monochromatic, $x$-polarized electric field and that is subject to radiation damping only. In accordance with Mollow's results for a two-level system, the power spectrum of the scattered radiation corresponding to the $x$ component of the dipole moment contains a coherent part for all driving-field intensities. The coherent part is absent in the fluorescence radiation corresponding to the $y$ and $z$ components of the dipole moment. For weak driving fields all power scattered by these latter components is present in a narrow Lorentzian. Consistent with energy conservation, the width of the Lorentzian corresponds to the probability of excitation of the atom out of its ground level due to the presence of the driving field. For strong driving fields the power spectra corresponding to the $x$ component and to the $y$ or $z$ component mainly differ in the heights and widths of their central incoherent band and their Rabi-precession-frequency-shifted side bands.

Physical Review AOct 1, 197647 citations

Fluorescence spectra of strongly driven three-level atoms

Dmitriy I. Chekhov, A.G. Leonnv, A. A. Panteleev +1 more

European Quantum Electronics Conference (EQEC)Aug 24, 20050 citations

The scattering of light by a coherent system of two-level particles

Oleg N. Gadomsky, V. R. Nagibarov

Physics Letters AFeb 1, 19723 citations

The calculation is given of the spectral distribution of resonance fluorescence from an atom that is driven near a

j=\frac{1}{2}

j=\frac{1}{2}

transition by a monochromatic,

x

-polarized electric field and that is subject to radiation damping only. In accordance with Mollow's results for a two-level system, the power spectrum of the scattered radiation corresponding to the

x

component of the dipole moment contains a coherent part for all driving-field intensities. The coherent part is absent in the fluorescence radiation corresponding to the

y

and

z

components of the dipole moment. For weak driving fields all power scattered by these latter components is present in a narrow Lorentzian. Consistent with energy conservation, the width of the Lorentzian corresponds to the probability of excitation of the atom out of its ground level due to the presence of the driving field. For strong driving fields the power spectra corresponding to the

x

component and to the

y

z

component mainly differ in the heights and widths of their central incoherent band and their Rabi-precession-frequency-shifted side bands.