Bulletin of the American Physical Society
2024 APS March Meeting
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session D52: Quantum Error Mitigation and Machine Learning
3:00 PM–6:00 PM,
Monday, March 4, 2024
Room: 201AB
Sponsoring
Unit:
DQI
Chair: Sohair Abdullah, University of Wisconsin-Madison
Abstract: D52.00009 : Modeling and testing novel quasiparticle traps on superconducting qubits via geometric gap engineering*
5:00 PM–5:12 PM
Presenter:
Ugur Alyanak
(Fermilab, University of Chicago)
Authors:
Ugur Alyanak
(Fermilab, University of Chicago)
Ziwen Huang
(Fermilab)
Wei-Ting Lin
(University of Michigan)
Xinyuan You
(Fermilab)
Alexander Romanenko
(Fermilab)
Anna Grassellino
(Fermilab)
Young-Kee Kim
(University of Chicago)
Shaojiang Zhu
(Fermilab)
Collaborations:
Fermilab, University of Chicago, University of Michigan
perconducting qubits. Strategies to mitigate the quasiparticle loss are highly demanded. We
propose an improved microscopic model of quasiparticle diffusion that is not constrained to
equilibrium energies. Based on this model, we explore new qubit architectures and demon-
strate the improvement of qubit relaxation and dephasing times.
*This material is based upon work supported by the U.S. Department of Energy, Office of Science, National Quantum Information Science Research Centers, Superconducting Quantum Materials and Systems Center (SQMS) under contract number DE-AC02-07CH11359.
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