Quantum nondemolition measurement of a single electron spin in a quantum dot

Details Quantum nondemolition measurement of a single electron spin in a quantum dot Quantum nondemolition measurement of a single electron spin in a quantum dot

2003-01-15

arxiv.org/abs/quant-ph/0301064v1

Physics

Quantum Physics

6 pages, 6 figures

Scientific paper

We propose a scheme for the quantum nondemolition (QND) measurement of a
single electron spin in a single quantum dot (QD). Analytical expressions are
obtained for the optical Faraday effect between a quantum dot exciton and
microcavity field. The feasibility of the QND measurement of a single electron
spin is discussed for a GaAs/AlAs microcavity with an InAs QD.

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