Spin state readout by quantum jump technique: for the purpose of quantum computing

Details Spin state readout by quantum jump technique: for the purpose of quantum computing Spin state readout by quantum jump technique: for the purpose of quantum computing

2004-04-21

arxiv.org/abs/cond-mat/0404494v1

IEEE Trans. Nanotechnol. 3, 10 (2004)

Physics

Condensed Matter

Other Condensed Matter

11 pages, 4 eps figures

Scientific paper

10.1109/TNANO.2003.820516

Utilizing the Pauli-blocking mechanism we show that shining circular polarized light on a singly-charged quantum dot induces spin dependent fluorescence. Employing the quantum-jump technique we demonstrate that this resonance luminescence, due to a spin dependent optical excitation, serves as an excellent readout mechanism for measuring the spin state of a single electron confined to a quantum dot.

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