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SUMMARY:Simulating a gravity-wave observatory with a few thousand atoms - 
 Dan Stamper-Kurn (UC Berkeley)
DTSTART:20111024T143000Z
DTEND:20111024T160000Z
UID:TALK34013@talks.cam.ac.uk
CONTACT:6270
DESCRIPTION:In cavity optomechanical systems\, the motion of a mechanical 
 \nelement is sensed by its influence on the field within an \nelectromagne
 tic resonator.  While their experimental realizations are \nquite diverse\
 , with mechanical elements ranging from picogram-scale \nnanofabricated fi
 laments to the kilogram-scale mirrors of the LIGO \ndetector and optical s
 ystems ranging from stripline resonators to \nkilometers-long optical cavi
 ties\, such systems are converging on the \ncommon goal of quantum limited
  operation.   I will discuss the use of \nensembles of ultracold trapped a
 toms as mechanical elements within a \nhigh-finesse optical cavity.  With 
 this system\, we have observed \ndistinctly quantum mechanical properties 
 of both the "opto" and \n"mechanical" parts of our quantum cavity optomech
 anical system.  \nConnections to the dynamics of spin ensembles within opt
 ical resonators \nwill also be discussed.\n\n
LOCATION:Rutherford building\, Seminar Room B
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