Superconducting Qubits: Quasiparticles and Noise

Presentations

• Characterizing superconducting quantum circuits at a deep-underground facility

  ORAL

  March 18, 2026, 3:30 PM – March 18, 2026, 3:42 PM

  Presenters

  • Guangyu Peng

    • University of Waterloo

  Authors

  • Guangyu Peng

    • University of Waterloo

  • Richard Germond

    • University of Waterloo

  • Anna Klepikova

    • Chalmers University of Technology

  • Ibrahim Nsanzineza

    • University of Waterloo

  • Per Delsing

    • Chalmers Univ of Tech
    • Chalmers University of Technology

  • C. M Wilson

    • University of Waterloo

  View abstract →

• Abstract Withdrawn

  ORAL · Withdrawn

  March 18, 2026, 3:42 PM – March 18, 2026, 3:54 PM

  View abstract →

• Focused Optical Illumination of Superconducting Qubit Arrays: Quasiparticle Poisoning

  ORAL

  March 18, 2026, 3:54 PM – March 18, 2026, 4:06 PM

  Presenters

  • Kiichi Okubo

    • University of Wisconsin - Madison

  Authors

  • Kiichi Okubo

    • University of Wisconsin - Madison

  • . Manabputra

    • University of Wisconsin - Madison

  • Kenneth R Dodge

    • Syracuse University

  • Clayton Larson

    • Syracuse University

  • Eric Yelton

    • Syracuse University

  • John V Batarekh

    • University of Wisconsin - Madison

  • Taylor Aralis

    • SLAC National Accelerator Laboratory

  • Kelly Stifter

    • SLAC National Accelerator Laboratory

  • Noah Alexander Kurinsky

    • Stanford University / SLAC National Accelerator Laboratory
    • SLAC National Accelerator Laboratory

  • B.L.T. L Plourde

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

  View abstract →

• Focused Optical Illumination of Superconducting Qubit Arrays: Substrate Charge Dynamics

  ORAL

  March 18, 2026, 4:06 PM – March 18, 2026, 4:18 PM

  Presenters

  • . Manabputra

    • University of Wisconsin - Madison

  Authors

  • . Manabputra

    • University of Wisconsin - Madison

  • Kiichi Okubo

    • University of Wisconsin - Madison

  • Kenneth R Dodge

    • Syracuse University

  • Clayton Larson

    • Syracuse University

  • Eric Yelton

    • Syracuse University

  • John V Batarekh

    • University of Wisconsin - Madison

  • Taylor Aralis

    • SLAC National Accelerator Laboratory

  • Kelly Stifter

    • SLAC National Accelerator Laboratory

  • Noah Alexander Kurinsky

    • Stanford University / SLAC National Accelerator Laboratory
    • SLAC National Accelerator Laboratory

  • B.L.T. L Plourde

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

  View abstract →

• Developing active protection of superconducting qubits from background radiation with on-chip transition-edge sensors

  ORAL

  March 18, 2026, 4:18 PM – March 18, 2026, 4:30 PM

  Presenters

  • Eva Gurra

    • University of Colorado Boulder, Boulder, CO 80302, USA
    • University of Colorado Boulder

  Authors

  • Eva Gurra

    • University of Colorado Boulder, Boulder, CO 80302, USA
    • University of Colorado Boulder

  • Xiaoyue Jin

    • National Institute of Standards and Technology Boulder

  • John B Mates

    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology Boulder

  • Shannon M Duff

    • National Institute of Standards and Technology (NIST)
    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology Boulder
    • NIST

  • Tony McFadden

    • National Institute of Standards and Technology Boulder
    • National Institute of Standards and Technology
    • National Institute of Standards and Technology, Boulder CO 80305
    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology (NIST)
    • University of California, Santa Barbara
    • National Institute of Standards and Technology, Boulder

  • Miranda Thompson

    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology Boulder

  • Zachary Parrott

    • University of Colorado Boulder, National Institute of Standards and Technology
    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • University of Colorado, Boulder
    • University of Colorado Boulder
    • University of Colorado Boulder, National Institute of Standards and Technology Boulder
    • NIST, Boulder

  • Florent Lecocq

    • National Institute of Standards and Technology, University of Colorado Boulder
    • National Institute of Standards and Technology
    • National Institute of Standards and Technology Boulder
    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology Boulder, University of Colorado Boulder

  • Dan Schmidt

    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology Boulder
    • NIST

  • Douglas A Bennett

    • National Institute of Standards and Technology (NIST)
    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology Boulder
    • National Institute of Standards and Technology, Boulder

  • Joel N Ullom

    • National Institute of Standards and Technology Boulder
    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA

  View abstract →

• Simultaneous Operation of Co-fabricated Superconducting Qubits and Transition Edge Sensors

  ORAL

  March 18, 2026, 4:30 PM – March 18, 2026, 4:42 PM

  Presenters

  • X. Y. Jin

    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA

  Authors

  • X. Y. Jin

    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA

  • Eva Gurra

    • University of Colorado Boulder, Boulder, CO 80302, USA
    • University of Colorado Boulder

  • John B Mates

    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology Boulder

  • Shannon M Duff

    • National Institute of Standards and Technology (NIST)
    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology Boulder
    • NIST

  • Tony McFadden

    • National Institute of Standards and Technology Boulder
    • National Institute of Standards and Technology
    • National Institute of Standards and Technology, Boulder CO 80305
    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology (NIST)
    • University of California, Santa Barbara
    • National Institute of Standards and Technology, Boulder

  • Miranda Thompson

    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology Boulder

  • Zachary Parrott

    • University of Colorado Boulder, National Institute of Standards and Technology
    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • University of Colorado, Boulder
    • University of Colorado Boulder
    • University of Colorado Boulder, National Institute of Standards and Technology Boulder
    • NIST, Boulder

  • Florent Lecocq

    • National Institute of Standards and Technology, University of Colorado Boulder
    • National Institute of Standards and Technology
    • National Institute of Standards and Technology Boulder
    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology Boulder, University of Colorado Boulder

  • Dan Schmidt

    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology Boulder
    • NIST

  • Douglas A Bennett

    • National Institute of Standards and Technology (NIST)
    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology Boulder
    • National Institute of Standards and Technology, Boulder

  • Joel N Ullom

    • National Institute of Standards and Technology Boulder
    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA

  View abstract →

• Irradiating superconducting qubits with gamma rays to characterize quasiparticle poisoning mitigation strategies

  ORAL · Invited

  March 18, 2026, 4:42 PM – March 18, 2026, 5:18 PM

  Publication: Larson et al., PRX Quantum 6, 030339 (2025)

  Presenters

  • Clayton Larson

    • Syracuse University

  Authors

  • Clayton Larson

    • Syracuse University

  View abstract →

• Flux Noise Spectroscopy Using Pound-Drever-Hall Tracking of a SQUID-Array based Resonator

  ORAL

  March 18, 2026, 5:18 PM – March 18, 2026, 5:30 PM

  Presenters

  • Efe Gümüs

    • Alice & Bob

  Authors

  • Efe Gümüs

    • Alice & Bob

  • Mattis O Hallén

    • ALICE & BOB

  • Sébastien Jezouin

    • Alice & Bob

  • Romeck Kloezen

    • Alice & Bob
    • Alice & Bob, 53 Bd du Général Martial Valin, 75015 Paris, France

  • Anil Murani

    • Alice & Bob

  • Jeremy Stevens

    • Alice & Bob

  View abstract →

• Improving Phase Coherence in Flux Tunable Qubit Lattices

  ORAL

  March 18, 2026, 5:30 PM – March 18, 2026, 5:42 PM

  Presenters

  • nathan holman

    • Rigetti Computing

  Authors

  • nathan holman

    • Rigetti Computing

  View abstract →

• Real-time adaptive estimation and mitigation of decoherence in superconducting qubits

  ORAL

  March 18, 2026, 5:42 PM – March 18, 2026, 5:54 PM

  Publication: F. Berritta et al. PRX Quantum 6, 030335 (2025), F. Berritta et al. arXiv:2506.09576 (2025).

  Presenters

  • Fabrizio Berritta

    • Massachusetts Institute of Technology

  Authors

  • Fabrizio Berritta

    • Massachusetts Institute of Technology

  • Jacob Benestad

    • Norwegian University of Science and Technology

  • Jan A Krzywda

    • Leiden University

  • Lukas Pahl

    • Massachusetts Institute of Technology

  • Melvin Mathews

    • Google Quantum
    • Massachusetts Institute of Technology

  • Oswin Krause

    • University of Copenhagen

  • Réouven Assouly

    • Massachussets Institute of Technology

  • Malthe A Marciniak

    • Niels Bohr Institute, University of Copenhagen

  • Svend Krøjer

    • Niels Bohr Institute
    • Niels Bohr Institute, University of Copenhagen

  • Johann B Bock Severin

    • Niels Bohr Institute, University of Copenhagen

  • Tom Dvir

    • Q.M Technologies Ltd. (Quantum Machines)
    • Quantum Machines

  • Jeffrey A Grover

    • Massachusetts Institute of Technology

  • Jacob Hastrup

    • Niels Bohr Institute, University of Copenhagen

  • Anasua Chatterjee

    • Delft University of Technology

  • William D Oliver

    • Massachusetts Institute of Technology

  • Morten Kjaergaard

    • Niels Bohr Institute, University of Copenhagen

  • Jeroen Danon

    • Norwegian University of Science and Technology

  • Ferdinand Kuemmeth

    • University of Regensburg

  View abstract →

• Dephasing in Flux-Tunable Transmon Qubits

  ORAL

  March 18, 2026, 5:54 PM – March 18, 2026, 6:06 PM

  Presenters

  • David C Harrison

    • University of Wisconsin - Madison
    • Qolab

  Authors

  • David C Harrison

    • University of Wisconsin - Madison
    • Qolab

  • Paul Buttles

    • Qolab

  • Stanislav Eilhart

    • Qolab

  • Nathaniel Kabat

    • Qolab

  • Sridhar Majety

    • Qolab

  • Felix J Schupp

    • Qolab

  • Yutaka Takeda

    • University of Wisconsin - Madison

  • Britton Plourde

    • Qolab

  • Robert McDermott

    • Qolab

  • John M Martinis

    • University of California, Santa Barbara
    • Qolab

  View abstract →

• Noise Spectroscopy in Superconducting Qubits via a High-Quality Cavity Sensor

  ORAL

  March 18, 2026, 6:06 PM – March 18, 2026, 6:18 PM

  Presenters

  • Nitzan Kahn

    • Weizmann Institute of Science

  Authors

  • Nitzan Kahn

    • Weizmann Institute of Science

  • Dror Garti

    • Weizmann Institute of Science

  • Uri Goldblatt

    • Weizmann Institute of Science

  • Barkay Guttel

    • Weizmann Institute of Science

  • Lalit M Joshi

    • Israel Physical Society

  • Fabien Lafont

    • Weizmann Institute of Science

  • Serge Rosenblum

    • Weizmann Institute of Science

  View abstract →

• High-Resolution Multilevel Noise Spectroscopy via Fixed-Time Control

  ORAL

  March 18, 2026, 6:18 PM – March 18, 2026, 6:30 PM

  Presenters

  • Rocio Gonzalez Meza

    • Johns Hopkins University

  Authors

  • Rocio Gonzalez Meza

    • Johns Hopkins University

  • Yaniv J Rosen

    • Lawrence Livermore National Laboratory

  • Gregory Quiroz

    • Johns Hopkins Applied Physics Laboratory
    • Johns Hopkins University Applied Physics Laboratory

  View abstract →