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Friday, December 5, 2003
Physics Building, Room 204
Note special time.
[Host: Olivier Pfister]
U. of Maryland
"Conditional Dynamics and quantum feedback; an experiment in cavity QED"
Quantum systems that are strongly coupled have fluctuations that
are larger than the average value of their steady state. When the
fluctuation is a single photon, as is the case in cavity QED, the return
to the steady state after the detection of a single photon follows
conditional dynamics measurable with quantum optical correlations. The
conditional dynamics can be modified, via quantum feedback, based on a
single quantum and the knowledge of the conditional state.
Work performed in collaboration with J. E. Reiner, W. P. Smith, M. L.
Terraciano, and H. M. Wiseman with support from NSF and NIST of the USA.
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