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SUMMARY:Laser spectroscopy of a single quantum dot - Dr Richard Warburton\
 , Heriot-Watt University\, Edinburgh
DTSTART:20060306T141500Z
DTEND:20060306T151500Z
UID:TALK4712@talks.cam.ac.uk
CONTACT:K DAS GUPTA
DESCRIPTION:Laser spectroscopy is a technique of immense value in atom opt
 ics as\nrecognised with last year's Nobel Prize for Physics. Can it be app
 lied\nto an artificial atom in the solid state\, a quantum dot? In order t
 o\nremove the inhomogeneous broadening it is essential to attempt these\ne
 xperiments on just a single quantum dot\, a challenging enterprise. We\nha
 ve now succeeded in this mission. The talk presents laser spectroscopy\non
  a single quantum dot presenting the detection scheme\, an exchange\ninter
 action which we can turn on and off simply with a bias voltage\, and\nthe 
 effects of both electron and hole tunneling.\n\n
LOCATION:Mott Seminar Room\, Cavendish Laboratory\, Department of Physics
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