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SUMMARY:IC Colloquium: Photonic Links for Rydberg Atom Arrays
DTSTART:20240222T101500
DTEND:20240222T111500
DTSTAMP:20260916T034350Z
UID:f9fb25c38602d152a4ed63535fe32b51e222c664c11ac3ebeabefd40
CATEGORIES:Conferences - Seminars
DESCRIPTION:By: Ivana Dimitrova - Harvard University\nIC/SB Faculty candid
 ate\n\nAbstract\nScaling up the number of qubits available in experimental
  systems is one of the most significant challenges in quantum computation.
  A promising path forward is to modularize the quantum processors and then
  connect many processors using quantum channels\, realized using photons a
 nd optical fibers. For Rydberg atom arrays\, one of the leading platforms 
 for quantum information processing\, this could be done by developing an i
 nterface for photons\, such as an optical cavity. In addition\, an optical
  cavity can be used for fast mid-circuit readout for error detection. In t
 his talk\, I will discuss recent progress with two types of cavities and t
 heir feasibility as a photonic link. First\, we show coherent control of R
 ydberg qubits and two-atom entanglement as close as 130um away from a nano
 photonic cavity. Second\, we show fast high-fidelity qubit state readout a
 t a fiber Fabry Perot cavity. In addition\, a fiber cavity also allows for
  cavity-mediated atom-atom gates\, which could enable novel quantum networ
 king capabilities.\n\nBio\nIvana Dimitrova is a postdoctoral researcher at
  Harvard University. She obtained her PhD from the Massachusetts Institute
  of Technology in 2020 and her BA from Princeton University. She uses ultr
 acold atoms to engineer quantum systems for quantum information processing
  and quantum simulation. During her doctoral work\, she built an experimen
 t using ultracold atoms in an optical lattice to simulate the anisotropic 
 spin-1/2 Hamiltonian\, a paradigmatic model in Condensed Matter Physics. W
 ith this experiment\, she investigated different dynamical regimes of spin
  systems\, relevant for bridging the knowledge gap between material proper
 ties and microscopic interparticle interactions. During her postdoctoral w
 ork\, she has been working on novel approaches to scaling up the number of
  qubits available for computation in Rydberg atom arrays. By interfacing t
 he atom array with an optical cavity\, the computational power of many ato
 m arrays can be combined by establishing quantum channels between them.\n\
 nMore information
LOCATION:BC 420 https://plan.epfl.ch/?room==BC%20420 https://epfl.zoom.us/
 j/69879963592
STATUS:CONFIRMED
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