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Quantum‐Information Processing in Semiconductor Quantum Dots
Author(s) -
Troiani F.,
Hohenester U.,
Molinari E.
Publication year - 2001
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/(sici)1521-3951(200104)224:3<849::aid-pssb849>3.0.co;2-q
Subject(s) - quantum dot , qubit , physics , quantum mechanics , quantum computer , quantum information processing , quantum information , quantum technology , renormalization , exciton , semiconductor , quantum , open quantum system
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.