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.
Lo Franco, R., Compagno, G., Messina, A., Napoli, A. (2010). Efficient generation of N-photon binomial states and their use in quantum gates in cavity QED. PHYSICS LETTERS A, 2010, 2235-2242 [10.1016/j.physleta.2010.03.036].
Efficient generation of N-photon binomial states and their use in quantum gates in cavity QED
LO FRANCO, Rosario;COMPAGNO, Giuseppe;MESSINA, Antonino;NAPOLI, Anna
2010-01-01
Abstract
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.
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