BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:0
UID:UW-Physics-Event-5391
DTSTART:20200220T160000Z
DURATION:PT1H0M0S
DTSTAMP:20260415T041159Z
LAST-MODIFIED:20200220T143655Z
LOCATION:5310 Chamberlin Hall
SUMMARY:Entanglement and metrology in an array of alkaline-earth atoms
  \, R. G. Herb Condensed Matter Seminar\, Jacob P. Covey\, Caltech
DESCRIPTION:Quantum entanglement is the central resource in quantum in
 formation science applications including metrology\, computation\, and
  communication. A defect-free array of isolated\, neutral particles wi
 th long-range\, state-dependent interactions is an attractive architec
 ture for scalable entanglement generation. In this talk\, I will descr
 ibe two platforms that offer long-range interactions: polar molecules\
 , and atoms in highly-excited Rydberg states. I will focus on alkaline
 -earth atoms (AEAs)\, which also possess ultra-narrow ‘clock’ tran
 sitions for precision metrology. I will describe the techniques we pio
 neered for cooling and imaging single AEAs in optical tweezer arrays f
 or the first time [1\,2]\, as well as a new platform for metrology bas
 ed on single-atom readout in an atomic array clock [3]. Further\, I wi
 ll discuss recent observations of high-fidelity control\, detection\, 
 and entanglement using Rydberg states [4]. I will close with an outloo
 k of future research directions.<br>
\n<br>
\n <br>
\n<br>
\n[1] A. Co
 oper\, JPC\, et al.\, “Alkaline-Earth Atoms in Optical Tweezers”\,
  Phys. Rev. X 8\, 041055 (2018).<br>
\n<br>
\n[2] JPC\, et al.\, “20
 00-Times Repeated Imaging of Strontium Atoms in Clock-Magic Tweezer Ar
 rays”\, Phys. Rev. Lett. 122\, 173201 (2019).<br>
\n<br>
\n[3] I. S.
  Madjarov\, …\, JPC\, et al.\, “An Atomic-Array Optical Clock with
  Single-Atom Readout”\, Phys. Rev. X 9\, 041052 (2019).<br>
\n<br>
\
 n[4] I. S. Madjarov*\, JPC*\, et al.\, “High-Fidelity Control\, Dete
 ction\, and Entanglement of Alkaline-Earth Rydberg Atoms”\, arXiv:20
 01.04455 (2020).
URL:https://www.physics.wisc.edu/events/?id=5391
END:VEVENT
END:VCALENDAR