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Phys. Rev. A 72, 045803 (2005) [4 pages]

Synthesis of arbitrary Fock states via conditional measurement on beam splitters

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B. M. Escher1, A. T. Avelar1,2,*, and B. Baseia1
1Instituto de Física, Universidade Federal de Goiás, 74.001-970, Goiânia (GO), Brazil
2Instituto de Física, Universidade de Brasília, 70.919-970, Brasília (DF), Brazil

Received 3 September 2004; revised 28 June 2005; published 13 October 2005

In a previous work Opt. Commun. 138 71 (1997) a scheme was proposed to create traveling fields in the Fock state ∣2J. Here we show how to extend this result to arbitrary Fock states. The procedure combines one-photon states impinging on a sequence of distinct beam splitters, each one associated with a (zero detection) single-photon photodetector, with optimization of the success probability to get the desired state. Advantages and disadvantages of this scheme are discussed.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.72.045803
DOI:
10.1103/PhysRevA.72.045803
PACS:
42.50.Dv

*Corresponding author. Email address: ardiley@unb.br