Physics – Quantum Physics
Scientific paper
2009-02-26
Physics Letters A 374, 2235 (2010)
Physics
Quantum Physics
8 pages, 2 figures
Scientific paper
10.1016/j.physleta.2010.03.036
Extending a previous result on the generation of two-photon generalized binomial field states, here we propose an efficient scheme to generate with high-fidelity, in a single-mode high-Q cavity, N-photon generalized binomial states with a maximum number of photons N>2. Besides their interest for classical-quantum border investigations, we discuss the applicative usage of these states in realizing universal quantum computation, describing in particular a scheme that performs a controlled-NOT gate by dispersive interaction with a control atom. We finally analyze the feasibility of the proposed schemes, showing that they appear to be within the current experimental capabilities.
Compagno Giuseppe
Franco Rosario Lo
Messina Antonino
Napoli Anna
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