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Linear and coherent non-linear resonant high resolution laser spectroscopy was used to characterize In0.54Ga0.46N disks in nanowires. Nonlinear optical spectroscopy and PLE reveal narrow excitonic resonances and evidence of coupling between separate excited states.
We demonstrate entanglement between an InAs quantum dot (QD) electron spin qubit and a photon. This valuable quantum information resource can be used to mediate spin-spin entanglement between distant nodes of a QD spin network.
We use coherent transient resonance fluorescence to follow the time evolution of Rabi oscillations in a semiconductor quantum dot. We obtain a lifetime limited decoherence rate.
We demonstrate the use of optically generated geometric phases to modify the phase of one of the spin states of an electron confined in an InAs quantum dot, effectively executing a spin phase gate.
We demonstrate, to our knowledge, the first coherent transient measurements of a single self-assembled InAs quantum dot charged with a single electron. The measurements show both trion Rabi oscillations and spin quantum beats.
We report the demonstration of the Autler-Townes splitting and Mollow absorption spectrum by means of coherent optical spectroscopy of a strongly driven quantum dot.
We demonstrate coherent nonlinear response from a singly-charged self assembled quantum dot. A degenerate differential transmission spectrum shows carrier tunneling, leading to a Fano profile.
We report the demonstration of fast spin state initialization with near unity efficiency in a singly-charged quantum dot by optically cooling an electron spin.
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