Superconducting Qubits: Characterizing Loss in Devices

Presentations

• Observation of Piezoelectricity at the Metal-Sapphire Interface

  ORAL

  March 19, 2025, 3:00 PM – March 19, 2025, 3:12 PM

  Presenters

  • Kangdi Yu

    • University of California, Berkeley
    • UC Berkeley

  Authors

  • Kangdi Yu

    • University of California, Berkeley
    • UC Berkeley

  • Haoxin Zhou

    • University of California, Berkeley and Lawrence Berkeley National Laboratory
    • University of California, Berkeley

  • John W Garmon

    • Yale University

  • Zihuai Zhang

    • University of California, Berkeley and Lawrence Berkeley National Laboratory
    • University of California, Berkeley

  • Robert J Schoelkopf

    • Yale University

  • Alp Sipahigil

    • University of California Berkeley
    • University of California, Berkeley
    • University of California, Berkeley and Lawrence Berkeley National Laboratory

  View abstract →

• Improving the characterization of low loss rate superconducting qubits

  ORAL

  March 19, 2025, 3:12 PM – March 19, 2025, 3:24 PM

  Presenters

  • KARTHIK BALAKRISHNAN

    • IBM Thomas J. Watson Research Center

  Authors

  • Andrew E Dane

    • IBM Thomas J. Watson Research Center

  • KARTHIK BALAKRISHNAN

    • IBM Thomas J. Watson Research Center

  • Brent Wacaser

    • IBM Thomas J. Watson Research Center

  • Li-Wen Hung

    • IBM Thomas J. Watson Research Center

  • John Mamin

    • IBM Thomas J. Watson Research Center

  • Daniel Rugar

    • IBM Thomas J. Watson Research Center

  • Robert M Shelby

    • IBM Thomas J. Watson Research Center

  • Conal E Murray

    • IBM Thomas J. Watson Research Center

  • Kenneth Rodbell

    • IBM Thomas J. Watson Research Center

  • Jeffrey William Sleight

    • IBM Thomas J. Watson Research Center

  View abstract →

• Fluctuations of Qubit Energy-Relaxation Times

  ORAL

  March 19, 2025, 3:24 PM – March 19, 2025, 3:36 PM

  Presenters

  • Spencer Weeden

    • University of Wisconsin - Madison

  Authors

  • Spencer Weeden

    • University of Wisconsin - Madison

  • Elam James Blackwell

    • University of Wisconsin Madison

  • David C Harrison

    • University of Wisconsin - Madison

  • Britton L Plourde

    • University of Wisconsin-Madison
    • University of Wisconsin - Madison

  • Robert F McDermott

    • University of Wisconsin - Madison
    • Qolab

  View abstract →

• Mapping the positions of TLS defects in superconducting qubits

  ORAL

  March 19, 2025, 3:36 PM – March 19, 2025, 3:48 PM

  Presenters

  • Jürgen Lisenfeld

    • Karlsruhe Institute of Technology

  Authors

  • Jürgen Lisenfeld

    • Karlsruhe Institute of Technology

  • Alexander K Händel

    • Physikalisches Institut, Karlsruhe Institute of Technology (KIT)

  • Benedikt Berlitz

    • Physikalisches Institut, Karlsruhe Institute of Technology (KIT)

  • Alexey V Ustinov

    • Karlsruhe Institute of Technology
    • Physikalisches Institut, Karlsruhe Institute of Technology (KIT)

  • Alexander Bilmes

    • Google LLC

  View abstract →

• Dielectric loss in long arrays of Josephson junctions

  ORAL

  March 19, 2025, 3:48 PM – March 19, 2025, 4:00 PM

  Presenters

  • Priyadarshini Rajkumar

    • University of Wisconsin - Madison

  Authors

  • Priyadarshini Rajkumar

    • University of Wisconsin - Madison

  • Ansibert Sixbert Miruko

    • University of Wisconsin - Madison

  • Brooke Becker

    • University of Wisconsin-Madison
    • University of Wisconsin - Madison

  • Rafael Alapisco

    • University of Wisconsin - Madison

  • Yeqing Zhou

    • University of Wisconsin - Madison

  • Roman Kuzmin

    • University of Wisconsin-Madison
    • University of Wisconsin - Madison

  View abstract →

• Understanding Materials-Level Sources of Performance Variations in Superconducting Qubits

  ORAL · Invited

  March 19, 2025, 4:00 PM – March 19, 2025, 4:36 PM

  Publication: Full author list:
  Akshay A. Murthy1, Mustafa Bal1, Shaojiang Zhu1, Francesco Crisa1, Jaeyel Lee1, Zuhawn Sung1, Andrei Lunin1, Daniel Bafia1, Cameron J. Kopas2, Ella O. Lachman2, Josh Y. Mutus2, Hilal Cansizoglu2, Jayss Marshall2, David P. Pappas2, Jin-Su Oh3, Lin Zhou3, Kamal Joshi3, Amlan Datta3, Sunil Ghimire3, Makariy Tanatar3, Ruslan Prozorov3, Richard Kim3, Sam Haeuser3, Joong-mok Park3, Randall K. Chan, Jigang Wang3, Matthew J. Kramer3, Dominic P. Goronzy4, Mitchell J. Walker4, Celeo D. Matute Diaz4, Mark C. Hersam4, David A. Garcia-Wetten4, William Mah4, Michael J. Bedzyk4, Peter G. Lim4, Roberto dos Reis4, Vinayak P. Dravid4, Dieter Isheim4, David Seidman4, Yanpei Deng4, Maxwell Wisne4, Venkat Chandrasekhar4, Alexander Romanenko1, and Anna Grassellino1
  
  1Fermilab; 2Rigetti Computing; 3Ames National Lab; 4Northwestern University

  Presenters

  • Akshay Murthy

    • Fermi National Accelerator Laboratory
    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab

  Authors

  • Akshay Murthy

    • Fermi National Accelerator Laboratory
    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab

  • Mustafa Bal

    • Fermi National Accelerator Laboratory
    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab

  • Shaojiang Zhu

    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab
    • Fermi National Accelerator Laboratory

  • Francesco Crisa

    • Fermi National Accelerator Laboratory
    • Fermilab
    • Fermilab, SQMS
    • Fermi National Accelerator Laboratory (Fermilab)

  • Matthew J Kramer

    • Ames National Laboratory

  • Lin Zhou

    • Ames National Laboratory

  • Dominic Pascal Goronzy

    • Northwestern University

  • Michael J Bedzyk

    • Northwestern University

  • Cameron J Kopas

    • Rigetti Computing

  • Ella O Lachman

    • Rigetti Computing

  • Alexander Romanenko

    • Fermi National Accelerator Laboratory
    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab

  • Anna Grassellino

    • Fermi National Accelerator Laboratory
    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab

  View abstract →

• Compact low-loss superconducting inductors utilizing vertically stacked Josephson junctions

  ORAL

  March 19, 2025, 4:36 PM – March 19, 2025, 4:48 PM

  Publication: A. Kreuzer, et al. In preperation (2024)

  Presenters

  • Alex S Kreuzer

    • Karlsruhe Institute of Technology

  Authors

  • Alex S Kreuzer

    • Karlsruhe Institute of Technology

  • Hossam Tohamy

    • Karlsruhe Institute of Technology

  • Thilo Krumrey

    • Karlsruhe Institute of Technology

  • Andras Di Giovanni

    • Karlsruhe Institute of Technology

  • Hannes Rotzinger

    • Karlsruhe Institute of Technology

  • Alexey V Ustinov

    • Karlsruhe Institute of Technology
    • Physikalisches Institut, Karlsruhe Institute of Technology (KIT)

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• Characterization and comparison of energy relaxation in planar fluxonium qubits

  ORAL

  March 19, 2025, 4:48 PM – March 19, 2025, 5:00 PM

  Presenters

  • Kate Azar

    • Wellesley College

  Authors

  • Kate Azar

    • Wellesley College

  • Mallika T Randeria

    • MIT Lincoln Laboratory

  • Renée D DePencier Piñero

    • MIT Lincoln Laboratory

  • Jeffrey M Gertler

    • MIT Lincoln Laboratory

  • Lamia Ateshian

    • Massachusetts Institute of Technology

  • Helin Zhang

    • Massachusetts Institute of Technology

  • Junyoung An

    • Massachusetts Institute of Technology

  • Felipe Contipelli

    • MIT Lincoln Laboratory

  • Michael Gingras

    • MIT Lincoln Laboratory

  • Kevin A Grossklaus

    • MIT Lincoln Laboratory

  • Max Hays

    • MIT
    • Massachusetts Institute of Technology (MIT)
    • Massachusetts Institute of Technology

  • Thomas M Hazard

    • MIT Lincoln Laboratory

  • David K Kim

    • MIT Lincoln Lab
    • Lincoln Laboratory, Massachusetts Institute of Technology

  • Junghyun Kim

    • Massachusetts Institute of Technology

  • Bethany M Niedzielski

    • MIT Lincoln Laboratory

  • Ilan T Rosen

    • Massachusetts Institute of Technology

  • Hannah M Stickler

    • MIT Lincoln Laboratory

  • Kunal L. Tiwari

    • MIT Lincoln Laboratory

  • Jeffrey A Grover

    • Massachusetts Institute of Technology (MIT)
    • Massachusetts Institute of Technology
    • MIT

  • Jonilyn L Yoder

    • MIT Lincoln Laboratory
    • Lincoln Laboratory, Massachusetts Institute of Technology

  • Mollie E Schwartz

    • 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

  View abstract →

• Loss Mechanisms in Fluxonium Qubits

  ORAL

  March 19, 2025, 5:00 PM – March 19, 2025, 5:12 PM

  Presenters

  • Yun Li

    • University of Sydney

  Authors

  • Yun Li

    • University of Sydney

  • Xanthe G Croot

    • The University of Sydney

  • Dan Osgood

    • The University of Sydney

  • Alex Ryan

    • The University of Sydney

  View abstract →

• Temperature and Magnetic-Field Dependence of Relaxation in a Fluxonium Qubit

  ORAL

  March 19, 2025, 5:12 PM – March 19, 2025, 5:24 PM

  Publication: L. Ateshian, et al. Temperature and Magnetic-Field Dependence of Relaxation in a Fluxonium Qubit. (In preparation.)

  Presenters

  • Lamia Ateshian

    • Massachusetts Institute of Technology

  Authors

  • Lamia Ateshian

    • Massachusetts Institute of Technology

  • Max Hays

    • MIT
    • Massachusetts Institute of Technology (MIT)
    • Massachusetts Institute of Technology

  • David A Rower

    • MIT
    • Massachusetts Institute of Technology

  • Helin Zhang

    • Massachusetts Institute of Technology

  • Kate Azar

    • Massachusetts Institute of Technology
    • MIT
    • MIT Lincoln Laboratory

  • Bethany M Niedzielski

    • MIT Lincoln Laboratory

  • Mollie E Schwartz

    • MIT Lincoln Laboratory
    • Lincoln Laboratory, Massachusetts Institute of Technology

  • Terry P Orlando

    • Massachusetts Institute of Technology

  • Joel I-Jan Wang

    • Massachusetts Institute of Technology

  • Simon Gustavsson

    • Massachusetts Institute of Technology

  • Jeffrey A Grover

    • Massachusetts Institute of Technology

  • Kyle Serniak

    • MIT Lincoln Laboratory
    • Lincoln Laboratory, Massachusetts Institute of Technology

  • William D Oliver

    • Massachusetts Institute of Technology
    • Massachusetts Institute of Technology (MIT)

  View abstract →

• Origin of magnetic field dependence in the dielectric loss of superconducting devices

  ORAL

  March 19, 2025, 5:24 PM – March 19, 2025, 5:36 PM

  Presenters

  • Jose Alberto Nava Aquino

    • Department of Physics and Astronomy, University of Victoria, BC

  Authors

  • Jose Alberto Nava Aquino

    • Department of Physics and Astronomy, University of Victoria, BC

  • Rogério de Sousa

    • Department of Physics and Astronomy, University of Victoria, BC

  View abstract →

• Investigating the impact of magnetic fields on superconducting qubits and 3D superconducting radio-frequency cavities for quantum applications

  ORAL

  March 19, 2025, 5:36 PM – March 19, 2025, 5:48 PM

  Presenters

  • Bektur Abdistarov

    • Fermilab SQMS, Old Dominion University

  Authors

  • Bektur Abdistarov

    • Fermilab SQMS, Old Dominion University

  • Daniel Bafia

    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab
    • Fermi National Accelerator Laboratory

  • Grigory Eremeev

    • Fermi National Accelerator Laboratory (Fermilab)

  • Shaojiang Zhu

    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab
    • Fermi National Accelerator Laboratory

  • Anna Grassellino

    • Fermi National Accelerator Laboratory
    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab

  • Alexander Romanenko

    • Fermi National Accelerator Laboratory
    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab

  • Hani Elsayed Elsayed-Ali

    • Old Dominion University

  View abstract →

• Characterizing microwave losses in superconducting coaxial cables for quantum systems

  ORAL

  March 19, 2025, 5:48 PM – March 19, 2025, 6:00 PM

  Presenters

  • André Vallières

    • Northwestern University

  Authors

  • André Vallières

    • Northwestern University

  • Sergey Kazakov

    • Fermi National Accelerator Laboratory
    • Fermi National Accelerator Laboratory (Fermilab)

  • Timergali Khabiboulline

    • Fermi National Accelerator Laboratory

  • Jae-Yel Lee

    • Fermi National Accelerator Laboratory

  • Akshay Murthy

    • Fermi National Accelerator Laboratory
    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab

  • Roman M Pilipenko

    • Fermilab
    • Fermi National Accelerator Laboratory

  • Oleg V Pronitchev

    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab
    • Fermi National Accelerator Laboratory

  • Vyacheslav P Yakovlev

    • Fermi National Accelerator Laboratory (Fermilab)

  • Anna Grassellino

    • Fermi National Accelerator Laboratory
    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab

  • Jens Koch

    • Northwestern University

  • Yao Lu

    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab

  View abstract →