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SUMMARY:Cavity optomechanics in the single-photon strong-coupling regime -
  Andreas Nunnenkamp (University of Basel)
DTSTART:20120522T100000Z
DTEND:20120522T110000Z
UID:TALK38338@talks.cam.ac.uk
CONTACT:6270
DESCRIPTION:In optomechanical systems mechanical degrees of freedom are co
 upled to the modes of the electromagnetic field inside optical or microwav
 e resonators. In most setups the position of the mechanical oscillator lin
 early modulates the cavity frequency. Several experiments\, using ultracol
 d atoms in optical resonators\, optomechanical crystals\, or superconducti
 ng circuits\, are now approaching the limit where the radiation pressure o
 f a single photon displaces the mechanical oscillator by more than its zer
 o-point uncertainty.\n\nIn this talk I will show that this single-photon s
 trong-coupling regime can be detected in the cavity response as well as th
 e optical output spectrum. The system exhibits photon-blockade physics ind
 ucing non-Gaussian states of the mechanics and non-classical states of lig
 ht [PRL 107\, 063602 (2011)]. Moreover\, I will explain how red-sideband c
 ooling is modified in this regime. In the resolved-sideband limit there ar
 e cooling resonances characterized by non-thermal mechanical steady-states
  [arXiv:1202.3263\, PRA(R) in press].\n
LOCATION:Rutherford building\, Seminar Room B
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