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We demonstrate picosecond control of dressed states in a single quantum dot. The Rabi oscillations of the dressed states are directly resolved in the time domain through beating of the Autler-Townes doublet.
We demonstrate conditional exciton-biexciton Rabi rotations in a single self-assembled InGaAs quantum dot using picosecond optical excitation and photocurrent readout, thereby implementing a two-qubit controlled-rotation (C-rot) quantum logic gate.
Historically non-classical sources of single photons have been used to test quantum mechanics and to develop the field of quantum optics. Nowadays the single photon source has become a critical device for quantum communications and optical quantum information processing [Knill, et al., 2001]. A single photon source emits one photon at a time, and its quality can be evaluated by three parameters: quantum...
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