Abstract

This chapter reviews the coherent manipulation of excitons and spins in self-assembled InGaAs quantum dots by ultrafast laser pulses. We begin with a review of the basic theory of coherent control of two-level systems, followed by a discussion of the beneficial features of quantum dots. Experiments on ultrafast coherent control of excitons in neutral dots and spins in charged dots are then presented, before concluding with a comparison of the two different approaches in the context of applications in quantum information processing.

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