Optical control and decoherence of spin qubits in quantum dots

Details Optical control and decoherence of spin qubits in quantum dots Optical control and decoherence of spin qubits in quantum dots

2007-06-02

arxiv.org/abs/0706.0276v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

An introductory review paper, presented at the MAG-EL-MAT meeting 2007

Scientific paper

We discuss various methods of all-optical spin control in semiconductor quantum dots. We present different ways of rotating a single confined electron spin by optical coupling to a trion state. We also discuss a method for controlling the polarization of a confined exciton via a two-photon transition. Finally, we analyze the effect of phonon-induced decoherence on the fidelity of these optical spin control protocols.

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