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VERSION:2.0
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PRODID:UW-Madison-Physics-Events
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SEQUENCE:2
UID:UW-Physics-Event-4655
DTSTART:20171109T160000Z
DURATION:PT1H0M0S
DTSTAMP:20260419T021600Z
LAST-MODIFIED:20171026T145533Z
LOCATION:5310 Chamberlin Hall
SUMMARY:Enhancing cavity QED via anti-squeezing: synthetic ultra-stron
 g coupling and entangled cat-states\, R. G. Herb Condensed Matter Semi
 nar\, Dr. Luke Govia\, University of Chicago
DESCRIPTION:We present applications of parametric (two-photon) driving
  of a cavity in a generic cavity QED setup\, which can be used to expo
 nentially enhance the light-matter coupling. This can take a weakly co
 upled system into the strong coupling regime (where the coupling excee
 ds dissipative rates) and even the ultra-strong coupling regime (where
  the coupling is comparable to the cavity frequency). As an example\, 
 we show how this allows one to use a weak-coupling system to adiabatic
 ally prepare the highly entangled ground state of the ultra-strong cou
 pling system. Furthermore\, we show that by adding local Kerr nonlinea
 rities to parametrically driven cavities one can stabilize an entangle
 d cat-state between the cavities.
URL:https://www.physics.wisc.edu/events/?id=4655
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