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Generation of superpositions of coherent states on a circle

  • F. Plastina
  • F. Piperno

Abstract:

We propose a simple method to obtain a superposition of coherent states on a circle, including Schrödinger cat states as a special case, via conditional measurement of the state of three level atoms interacting with a one mode cavity field. In the low amplitude limit, very good approximation of Fock states can also be generated in this way.

PACS. 42.50.Dv Nonclassical field states; squeezed, antibunched, and sub-Poissonian states; operational definitions of the phase of the field; phase measurements 

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Copyright information

© EDP Sciences, Springer-Verlag 1999

Authors and Affiliations

  • F. Plastina
    • 1
  • F. Piperno
    • 1
  1. 1.Dipartimento di Fisica Università della Calabria and Unità INFM Cosenza, 87036 Arcavacata di Rende (CS), ItalyIT

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