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Efficient generation of N-photon binomial states and their use in quantum gates in cavity QED

  • Autori: LO FRANCO, R.; Compagno, G.; Messina, A.; Napoli, A.
  • Anno di pubblicazione: 2010
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • Parole Chiave: Cavity QED; Binomial states; Generation; Quantum gates
  • OA Link:


A high-fidelity scheme to generate N-photon generalized binomial states (NGBSs) in a single-mode high-Q cavity is proposed. A method to construct superpositions of exact orthogonal NGBSs is also provided. It is then shown that these states, for any value of N, may be used for a realization of a controlled-NOT gate, based on the dispersive interaction between the cavity field and a control two-level atom. The possible implementation of the schemes is finally discussed.