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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-3747
DTSTART:20151204T213000Z
DTEND:20151204T223000Z
DTSTAMP:20260419T110933Z
LAST-MODIFIED:20151012T114503Z
LOCATION:2241 Chamberlin Hall (Coffee & Cookies at 3:15pm)
SUMMARY:Quantum Electromechanics\, Physics Department Colloquium\, Kon
 rad Lehnert\, University of Colorado Boulder
DESCRIPTION:What is the largest object whose motion requires a quantum
 \, rather than classical description? This question lies at the very f
 oundation of quantum mechanics. At the same time\, investigating this 
 question experimentally is a highly practical endeavor of isolating an
  object from its environment and taming uncontrolled sources of noise.
  Establishing quantum control over large objects impacts a host of pot
 ential quantum technologies\, such as quantum sensing\, communication\
 , and computation. In this talk\, I will describe our recent success i
 n controlling the quantum state of macroscopic mechanical oscillators 
 and our progress in using this result to develop quantum information p
 rocessing devices that exploit the unique properties of mechanical sys
 tems. In particular\, we are developing a device that uses a mechanica
 l oscillator to transfer information noiselessly between electrical an
 d optical domains. In the quantum regime\, this device would enable a 
 communication network with information security guaranteed by physical
  laws of nature.
URL:https://www.physics.wisc.edu/events/?id=3747
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