Decoherence from Quasiparticles

Presentations

• Resisting light-induced quasiparticle poisoning in superconducting qubit arrays

  ORAL

  March 21, 2025, 11:00 AM – March 21, 2025, 11:12 AM

  Publication: M. McEwen, K. C. Miao, et al., "Resisting high-energy impact events through gap engineering in superconducting qubit arrays", arXiv:2402.15644 (2024)

  Presenters

  • Kevin C Miao

    Google Quantum AI, Google LLC

  Authors

  • Kevin C Miao

    Google Quantum AI, Google LLC

  • Matthew J McEwen

    Google Quantum AI, Google LLC

  • Juan Atalaya

    Google Quantum AI

  • Jenna Bovaird

    Google Quantum AI

  • John Mark Kreikebaum

    Google Quantum AI

  • Anthony E Megrant

    Google Quantum AI

  • Yu Chen

    Google Quantum AI, Google LLC

  • Charles J Neill

    Google Quantum AI, University of California, Santa Barbara

  • Daniel T Sank

    Google Quantum AI

  • Michel H. Devoret

    Yale University, Google Quantum AI

  • Alexander M Opremcak

    Google Quantum AI, Google LLC

  View abstract →

• Time dependence of the rate of catastrophic bursts of globally suppressed relaxation time in a 5-qubit superconducting processor.

  ORAL

  March 21, 2025, 11:12 AM – March 21, 2025, 11:24 AM

  Presenters

  • Giuseppe Ruggero Di Carlo

    QuTech and Kavli Institute of Nanoscience, Delft University of Technology, The Netherlands

  Authors

  • Giuseppe Ruggero Di Carlo

    QuTech and Kavli Institute of Nanoscience, Delft University of Technology, The Netherlands

  • Bart M Segers

    QuTech and Kavli Institute of Nanoscience, Delft University of Technology, The Netherlands

  • Marios Samiotis

    QuTech and Kavli Institute of Nanoscience, Delft University of Technology, The Netherlands

  • Leonardo DiCarlo

    QuTech and Kavli Institute of Nanoscience, Delft University of Technology, The Netherlands, Delft University of Technology

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• Superconducting qubit decay and dephasing correlated with radiating events

  ORAL

  March 21, 2025, 11:24 AM – March 21, 2025, 11:36 AM

  Presenters

  • Alessandro R Castelli

    Lawrence Livermore National Laboratory

  Authors

  • Alessandro R Castelli

    Lawrence Livermore National Laboratory

  • Kristin M Beck

    Lawrence Livermore National Laboratory

  • Loren D Alegria

    Lawrence Livermore National Laboratory

  • Luis A Martinez

    Lawrence Livermore National Laboratory

  • Kevin R Chaves

    Lawrence Livermore National Laboratory

  • Sean R O'Kelley

    Lawrence Livermore National Lab, Lawrence Livermore National Laboratory

  • Nicholas Materise

    Lawrence Livermore National Laboratory

  • Yaniv J Rosen

    Lawrence Livermore National Laboratory

  • Jonathan L DuBois

    Lawrence Livermore National Laboratory

  View abstract →

• Abstract Withdrawn

  ORAL Withdrawn

  March 21, 2025, 11:36 AM – March 21, 2025, 11:48 AM

  View abstract →

• Superconducting Qubits Underground: Design, Measurement, and Scalability

  ORAL

  March 21, 2025, 11:48 AM – March 21, 2025, 12:00 PM

  Presenters

  • Olivia Seidel

    University of Texas at Arlington

  Authors

  • Olivia Seidel

    University of Texas at Arlington

  • Arianna H Colon Cesani

    Northwestern University

  • Grace Bratrud

    Northwestern University

  • Israel Hernandez

    Illinois Institute of Technology, illinois institute of technology, Illinois Institute Of Technology

  • Sara F Sussman

    Princeton University

  • Daniel S Baxter

    Fermi National Accelerator Laboratory (Fermilab)

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• Impact of quasiparticle pumping on the recovery time of catastrophic bursts of globally suppressed relaxation time in few-qubit superconducting processors with different Josephson-junction types.

  ORAL

  March 21, 2025, 12:00 PM – March 21, 2025, 12:12 PM

  Presenters

  • Marios Samiotis

    QuTech and Kavli Institute of Nanoscience, Delft University of Technology, The Netherlands

  Authors

  • Marios Samiotis

    QuTech and Kavli Institute of Nanoscience, Delft University of Technology, The Netherlands

  • Giuseppe Ruggero Di Carlo

    QuTech and Kavli Institute of Nanoscience, Delft University of Technology, The Netherlands

  • Anand Kamlapure

    QuTech and Kavli Institute of Nanoscience, Delft University of Technology, The Netherlands

  • Matvey Finkel

    QuTech and Kavli Institute of Nanoscience, Delft University of Technology, The Netherlands

  • Marc Beekman

    QuTech and Netherlands Organisation for Applied Scientific Research, The Netherlands

  • Leonardo DiCarlo

    QuTech and Kavli Institute of Nanoscience, Delft University of Technology, The Netherlands, Delft University of Technology

  View abstract →

• Quasiparticle poisoning of superconducting qubits through spurious millimeter-wave antenna modes

  ORAL · Invited

  March 21, 2025, 12:12 PM – March 21, 2025, 12:48 PM

  Publication: DOI: https://doi.org/10.1103/PhysRevLett.132.017001

  Presenters

  • Chuan-Hong Liu

    University of California, Berkeley, Univ of California, Berkeley

  Authors

  • Chuan-Hong Liu

    University of California, Berkeley, Univ of California, Berkeley

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• Cosmic-ray and cosmic-ray-like events in a modular superconducting quantum processor

  ORAL

  March 21, 2025, 12:48 PM – March 21, 2025, 1:00 PM

  Presenters

  • Yash J Joshi

    University of Chicago

  Authors

  • Xuntao Wu

    University of Chicago

  • Yash J Joshi

    University of Chicago

  • Amber M King

    University of Chicago

  • Howard L Malc

    University of Chicago

  • Haoxiong Yan

    Applied Materials, University of Chicago

  • Gustav Andersson

    University of Chicago

  • Alexander Anferov

    University of Chicago

  • Christopher R Conner

    University of Chicago

  • Shiheng Li

    University of Chicago, Univ of Chicago

  • Jacob M Miller

    University of Chicago

  • Harsh Mishra

    University of Chicago

  • Hong Qiao

    University of Chicago

  • Minseok Ryu

    University of Chicago

  • Jian Shi

    Rensselaer Polytechnic Institute

  • Andrew N Cleland

    University of Chicago

  View abstract →

• Two-level Tunneling Defects in Superconducting Devices

  ORAL

  March 21, 2025, 1:00 PM – March 21, 2025, 1:12 PM

  Presenters

  • Wei-Ting Lin

    Louisiana State University

  Authors

  • Wei-Ting Lin

    Louisiana State University

  • Junguang He

    Northwestern University

  • J. A Sauls

    Louisiana State University

  View abstract →

• Significant changes to projected dipoles for two-level systems using alternating bias

  ORAL

  March 21, 2025, 1:12 PM – March 21, 2025, 1:24 PM

  Publication: V. Iaia et al., In preparation (2024)

  Presenters

  • Vito M Iaia

    Lawrence Livermore National Laboratory

  Authors

  • Vito M Iaia

    Lawrence Livermore National Laboratory

  • Nicholas Materise

    Colorado School of Mines, Lawrence Livermore National Laboratory

  • Sayan Patra

    National Institute of Standards and Technology Boulder

  • CE Kim

    Lawrence Livermore National Laboratory

  • Keith G Ray

    Lawrence Livermore National Laboratory

  • Loren D Alegria

    Lawrence Livermore National Laboratory

  • Sean R O'Kelley

    Lawrence Livermore National Lab, Lawrence Livermore National Laboratory

  • Emily S Joseph

    University of Wisconsin - Madison

  • Nicholas L Hagopian

    University of Wisconsin - Madison, University of Wisconsin Madison

  • Robert F McDermott

    University of Wisconsin - Madison, Qolab

  • Soohyun Im

    University of Wisconsin - Madison

  • Paul M Voyles

    University of Wisconsin - Madison, University of Wisconsin Madison

  • Mark A Eriksson

    University of Wisconsin - Madison

  • Vincenzo Lordi

    Lawrence Livermore National Laboratory

  • Yaniv J Rosen

    Lawrence Livermore National Laboratory

  View abstract →

• Abstract Withdrawn

  ORAL Withdrawn

  March 21, 2025, 1:24 PM – March 21, 2025, 1:36 PM

  View abstract →

• Spectroscopy of two-level system defects in fluxonium

  ORAL

  March 21, 2025, 1:36 PM – March 21, 2025, 1:48 PM

  Presenters

  • Mallika T Randeria

    MIT Lincoln Laboratory

  Authors

  • Mallika T Randeria

    MIT Lincoln Laboratory

  • Jeffrey M Gertler

    MIT Lincoln Laboratory

  • Renée DePencier Piñero

    MIT Lincoln Laboratory, Lincoln Laboratory, MIT

  • Kunal L. Tiwari

    MIT Lincoln Laboratory

  • Thomas M Hazard

    MIT Lincoln Laboratory

  • Duncan Miller

    MIT Lincoln Laboratory

  • Kate Azar

    MIT Lincoln Laboratory

  • Max Hays

    MIT, Massachusetts Institute of Technology (MIT), Massachusetts Institute of Technology

  • Helin Zhang

    Massachusetts Institute of Technology

  • Bethany M Niedzielski

    MIT Lincoln Laboratory

  • Michael Gingras

    MIT Lincoln Laboratory

  • Kevin Grossklaus

    MIT Lincoln Laboratories, MIT Lincoln Laboratory

  • Hannah M Stickler

    MIT Lincoln Laboratory

  • Jeffrey A Grover

    Massachusetts Institute of Technology

  • Jonilyn L Yoder

    MIT Lincoln Laboratory, Lincoln Laboratory, Massachusetts Institute of Technology

  • William D Oliver

    Massachusetts Institute of Technology, Massachusetts Institute of Technology (MIT)

  • Kyle Serniak

    MIT Lincoln Laboratory, Lincoln Laboratory, Massachusetts Institute of Technology

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• Investigating saturable two-level-systems in Josephson junction array based fluxoniums using a Szilard engine

  ORAL

  March 21, 2025, 1:48 PM – March 21, 2025, 2:00 PM

  Presenters

  • Florian Wallner

    Walther-Meissner-Institute, TU Munich

  Authors

  • Florian Wallner

    Walther-Meissner-Institute, TU Munich

  • Johannes Schirk

    Walther-Meißner-Institute, TU Munich

  • Ivan Tsitsilin

    TU Munich

  • Niklas Bruckmoser

    Walther-Meissner-Institute, TU Munich, TUM

  • Leon Koch

    TU Munich

  • Niklas Glaser

    Walther Meissner Inst

  • Klaus Liegener

    Walther Meissner Inst, TU Munich, Walther-Meißner-Institut, Bayerische Akademie der Wissenschaften, 85748 Garching

  • Max Werninghaus

    TU Munich, TU Munich, Walther-Meißner-Institute

  • Christian Schneider

    Walther-Meissner-Institute, TU Munich & Walther-Meißner-Institut, TU Munich, Walther-Meißner-Institut, Bayerische Akademie der Wissenschaften, 85748 Garching, Walther-Meißner-Institute, TUM

  • Stefan Filipp

    TU Munich, TU Munich, Walther-Meißner-Institute

  View abstract →