Phys. Rev. A 69, 015802 (2004) [3 pages]Scheme for direct measurement of the Wigner characteristic function in cavity QEDReceived 24 March 2003; published 29 January 2004 We propose a simple scheme for the reconstruction of the single-mode cavity field by considering the resonant atom-cavity interaction in the presence of a strong classical field. With the aid of the strong classical field, it is easy to realize the displacement operator for the cavity field correlated to the internal state of the atom. It is shown that the measurement of the population of the lower internal state directly yields the Wigner characteristic function of the cavity field. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.69.015802
DOI:
10.1103/PhysRevA.69.015802
PACS:
42.50.Dv
|
|
About | Terms and Conditions | Subscriptions | Search | Help
Use of the American Physical Society websites and journals implies that the user has read and agrees to our Terms and Conditions and any applicable Subscription Agreement. Physical Review®, Physical Review Letters®, Reviews of Modern Physics®, and Physical Review Special Topics® are trademarks of the American Physical Society.