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Observation of dressed excitonic states in a single quantum dot
Gregor Jundt, Lucio Robledo, Alexander Högele +2
We report the observation of dressed states of a quantum dot. The optically excited exciton and biexciton states of the quantum dot are coupled by a strong laser field and the resu…
Strong Electron-Hole Exchange in Coherently Coupled Quantum Dots
Stefan Falt, Mete Atature, Hakan E. Tureci +3
We have investigated few-body states in vertically stacked quantum dots. Due to small inter-dot tunneling rate, the coupling in our system is in a previously unexplored regime wher…
Photon Antibunching in the Photoluminescence Spectra of a Single Carbon Nanotube
Alexander Högele, Christophe Galland, Martin Winger +1
We report the first observation of photon antibunching in the photoluminescence from single carbon nanotubes. The emergence of a fast luminescence decay component under strong opti…
Optical investigations of quantum-dot spin dynamics
Jan Dreiser, Mete Atature, Christophe Galland +3
We have performed all-optical measurements of spin relaxation in single self-assembled InAs/GaAs quantum dots (QD) as a function of static external electric and magnetic fields. To…
Dynamics of Quantum Dot Nuclear Spin Polarization Controlled by a Single Electron
P. Maletinsky, A. Badolato, A. Imamoglu
We present an experimental study of the dynamics underlying the buildup and decay of dynamical nuclear spin polarization in a single semiconductor quantum dot. Our experiment shows…