Generation of superpositions of coherent states on a circle
Dipartimento di Fisica Università della Calabria and Unità INFM Cosenza, 87036
Arcavacata di Rende (CS), Italy
Accepted: 30 October 1998
Published online: 15 March 1999
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
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 1999