Colloquia

Colloquium
Friday, December 5, 2003
4:00 PM
Physics Building, Room 204
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Note special room.

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"Conditional Dynamics and quantum feedback; an experiment in cavity QED"


Luis Orozco , U. of Maryland
[Host: Olivier Pfister]
ABSTRACT:
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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