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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:4
UID:UW-Physics-Event-8580
DTSTART:20240214T180000Z
DTEND:20240214T190000Z
DTSTAMP:20260413T223253Z
LAST-MODIFIED:20240131T143600Z
LOCATION:5310 Chamberlin Hall
SUMMARY:Photonic Links for Rydberg Atom Arrays\, Atomic Physics Semina
 r\, Ivana Dimitrova\, Harvard University
DESCRIPTION:Scaling up the number of qubits available in experimental 
 systems is one of the most significant challenges in quantum computati
 on. A promising path forward is to modularize the quantum processors a
 nd then connect many processors using quantum channels\, realized usin
 g photons and optical fibers. For Rydberg atom arrays\, one of the lea
 ding platforms for quantum information processing\, this could be done
  by developing an interface for photons\, such as an optical cavity. I
 n addition\, an optical cavity can be used for fast mid-circuit readou
 t for error detection. In this talk\, I will discuss recent progress w
 ith two types of cavities and their feasibility as a photonic link. Fi
 rst\, we show coherent control of Rydberg qubits and two-atom entangle
 ment as close as 130um away from a nanophotonic cavity. Second\, we sh
 ow fast high-fidelity qubit state readout at a fiber Fabry Perot cavit
 y. In addition\, a fiber cavity also allows for cavity-mediated atom-a
 tom gates\, which could enable novel quantum networking capabilities. 
 
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URL:https://www.physics.wisc.edu/events/?id=8580
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