Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session N08: Long-Range or Anisotropic Interactions
8:00 AM–10:00 AM,
Thursday, June 6, 2024
Room: 203B
Chair: W. Vincent Liu, University of Pittsburgh
Abstract: N08.00005 : Interspecies Förster resonances of Rb-Cs Rydberg d-states for enhanced multi-qubit gate fidelities*
8:48 AM–9:00 AM
Presenter:
Paul M Ireland
(Univercity of Strathclyde)
Authors:
Paul M Ireland
(Univercity of Strathclyde)
Daniel M Walker
(The Univercity of Strathclyde)
Jonathan D Pritchard
(University of Strathclyde)
We present an analysis of interspecies interactions between Rydberg d-states of rubidium and cesium. We identify the Förster resonance channels offering the strongest interspecies couplings, demonstrating the viability for performing high-fidelity two- and multi-qubit CkZ gates up to k=4, including accounting for blockade errors evaluated via numerical diagonalization of the pair-potentials. Our results show d-state orbitals offer enhanced suppression of intraspecies couplings compared to s-states, making them well suited for use in large-scale neutral atom quantum processors.
*Funding: This work was funded by the Royal Academy of Engi- neering Senior Research Fellowship with M Squared Lasers and the Engineering and Physical Sciences Research Council (Grant No. EP/X025055/1).
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