Quantum-information processing in semiconductor quantum dots

Details Quantum-information processing in semiconductor quantum dots Quantum-information processing in semiconductor quantum dots

2001-04-09

arxiv.org/abs/cond-mat/0104149v1

Proc. QD2000 conference; phys. stat. sol. (b) 224, 849 (2001)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

3 pages

Scientific paper

We propose an all-optical implementation of quantum-information processing in semiconductor quantum dots, where electron-hole excitations (excitons) serve as the computational degrees of freedom (qubits). The strong dot confinement leads to a strong renormalization of excitonic states, which, in analogy to NMR-based implementations of quantum-information processing, can be exploited for performing conditional and unconditional qubit operations.

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