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Dynamic nuclear spin polarization in resonant laser spectroscopy of a quantum dot
A. Högele, M. Kroner, C. Latta +4
Resonant optical excitation of lowest-energy excitonic transitions in self-assembled quantum dots lead to nuclear spin polarization that is qualitatively different from the well kn…
Hyperfine interaction dominated dynamics of nuclear spins in self-assembled quantum dots
Christian Latta, Ajit Srivastava, Atac Imamoglu
We measure the dynamics of nuclear spins in a self-assembled quantum dot at a magnetic field of 5 Tesla and identify two distinct mechanisms responsible for the decay of the Overha…
Quantum quench of Kondo correlations in optical absorption
Christian Latta, Florian Haupt, Markus Hanl +9
The interaction between a single confined spin and the spins of a Fermionic reservoir leads to one of the most spectacular phenomena of many body physics -- the Kondo effect. Here…
Confluence of resonant laser excitation and bi-directional quantum dot nuclear spin polarization
C. Latta, A. Högele, Y. Zhao +10
Resonant laser scattering along with photon correlation measurements have established the atom-like character of quantum dots. Here, we present measurements which challenge this id…