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Events in Physics
Title: Circuit Quantum Electrodynamics: Doing Quantum Optics on a Chip    (Colloquia)
Start Date: 03/14/2005
Time: 4:30 pm
Location: 1 LeConte Hall
Speaker: Dr. Andreas Wallraff
Affiliation: Assoc Research Scientist, Dept of Applied Physics, Yale University
Contact Person: K. Lee   (510) 642-3034
Details: I will describe recent experiments with superconducting circuits, in which the strong coherent coupling of a single photon to a quantum two-level system has been realized for the first time. Such a feat was previously only realizable in atomic cavity quantum electrodynamics experiments. I will also show how strong coupling is used to entangle many photons with a single two-level system to perform a quantum non-demolition measurement. This new regime of matter-light interaction in a solid allows us both to perform state of the art quantum optics experiments and to realize new elements for a superconducting quantum information processor.

(click here for webcast)