Phys. Rev. Lett. 89, 133601 (2002) [4 pages]Capture and Release of a Conditional State of a Cavity QED System by Quantum FeedbackReceived 8 February 2002; published 4 September 2002 Detection of a single photon escaping an optical cavity QED system prepares a nonclassical state of the electromagnetic field. The evolution of the state can be modified by changing the drive of the cavity. For the appropriate feedback, the conditional state can be captured (stabilized) and then released. This is observed by a conditional intensity measurement that shows suppression of vacuum Rabi oscillations for the length of the feedback pulse and their subsequent return. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.89.133601
DOI:
10.1103/PhysRevLett.89.133601
PACS:
42.50.Lc, 03.65.Ta, 03.67.–a, 42.50.Dv
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