We propose an all-optical implementation of quantum-information processing in semiconductor quantum dots, where electron-hole excitations (excitons) serve ve 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.
Quantum-information processing in semiconductor quantum dots / Troiani, Filippo; Hohenester, U; Molinari, Elisa. - In: PHYSICA STATUS SOLIDI B-BASIC RESEARCH. - ISSN 0370-1972. - STAMPA. - 224:3(2001), pp. 849-853. [10.1002/(SICI)1521-3951(200104)224:3<849::AID-PSSB849>3.0.CO;2-Q]
Quantum-information processing in semiconductor quantum dots
TROIANI, Filippo;MOLINARI, Elisa
2001
Abstract
We propose an all-optical implementation of quantum-information processing in semiconductor quantum dots, where electron-hole excitations (excitons) serve ve 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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