Superconducting Qubits: Quasiparticles and Noise

Presentations

• Characterizing superconducting quantum circuits at a deep-underground facility

  Oral-In-person

  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

  • Ibrahim Nsanzineza

    • University of Waterloo

  • Per Delsing

    • Chalmers Univ of Tech

  • C. Wilson

  View abstract →

• Phonon-targeted quasiparticle poisoning mitigation in superconducting circuits

  Oral-In-person · Withdrawn

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

  Presenters

  • Joyce Christiansen-Salameh

    • Cornell University

  Authors

  • Joyce Christiansen-Salameh

    • Cornell University

  • Zhiting Tian

  • Daniel Baxter

    • Fermi National Accelerator Laboratory (Fermilab)

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• Focused Optical Illumination of Superconducting Qubit Arrays: Quasiparticle Poisoning

  Oral-In-person

  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 Dodge

    • Syracuse University

  • Clayton Larson

    • Syracuse University

  • Eric Yelton

    • Syracuse University

  • John Batarekh

    • University of Wisconsin - Madison

  • Taylor Aralis

    • SLAC National Accelerator Laboratory

  • Kelly Stifter

    • SLAC National Accelerator Laboratory

  • Noah Kurinsky

    • Stanford University / SLAC National Accelerator Laboratory

  • B.L.T. Plourde

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

  Oral-In-person

  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 Dodge

    • Syracuse University

  • Clayton Larson

    • Syracuse University

  • Eric Yelton

    • Syracuse University

  • John Batarekh

    • University of Wisconsin - Madison

  • Taylor Aralis

    • SLAC National Accelerator Laboratory

  • Kelly Stifter

    • SLAC National Accelerator Laboratory

  • Noah Kurinsky

    • Stanford University / SLAC National Accelerator Laboratory

  • B.L.T. Plourde

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

  Oral-In-person

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

  Presenters

  • Eva Gurra

    • University of Colorado Boulder

  Authors

  • Eva Gurra

    • University of Colorado Boulder

  • Xiaoyue Jin

  • John Mates

  • Shannon Duff

  • Tony McFadden

    • National Institute of Standards and Technology (NIST)

  • Miranda Thompson

    • National Institute of Standards and Technology (NIST)

  • Zachary Parrott

    • NIST, Boulder

  • Florent Lecocq

    • National Institute of Standards and Technology

  • Dan Schmidt

  • Douglas Bennett

    • National Institute of Standards and Technology (NIST)

  • Joel Ullom

    • National Institute of Standards and Technology Boulder

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

  Oral-In-person

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

  Presenters

  • X. Y. Jin

    • NIST Boulder

  Authors

  • X. Y. Jin

    • NIST Boulder

  • Eva Gurra

    • University of Colorado Boulder

  • John Mates

  • Shannon Duff

  • Tony McFadden

    • National Institute of Standards and Technology (NIST)

  • Miranda Thompson

    • National Institute of Standards and Technology (NIST)

  • Zachary Parrott

    • NIST, Boulder

  • Florent Lecocq

    • National Institute of Standards and Technology

  • Dan Schmidt

  • Douglas Bennett

    • National Institute of Standards and Technology (NIST)

  • Joel Ullom

    • National Institute of Standards and Technology Boulder

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

  Invited-In-person · 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

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

  Oral-In-person

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

  Presenters

  • Efe Gümüs

    • Alice & Bob

  Authors

  • Efe Gümüs

    • Alice & Bob

  • Mattis Hallén

    • ALICE & BOB

  • Sébastien Jezouin

  • Romeck Kloezen

  • Anil Murani

    • Karlsruhe Institute of Technology

  • Jeremy Stevens

  View abstract →

• Improving Phase Coherence in Flux Tunable Qubit Lattices

  Oral-In-person

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

  Presenters

  • nathan holman

    • Rigetti Computing

  Authors

  • nathan holman

    • Rigetti Computing

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

  Oral-In-person

  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

  • Jan Krzywda

  • Lukas Pahl

    • Massachusetts Institute of Technology

  • Melvin Mathews

    • Google Quantum

  • Oswin Krause

  • Réouven Assouly

    • Massachussets Institute of Technology

  • Malthe Marciniak

  • Svend Krøjer

    • Niels Bohr Institute

  • Johann Severin

  • Tom Dvir

  • Jeffrey Grover

    • Massachusetts Institute of Technology

  • Jacob Hastrup

    • Niels Bohr Institute, University of Copenhagen

  • Anasua Chatterjee

    • Delft University of Technology

  • William Oliver

    • Massachusetts Institute of Technology

  • Morten Kjaergaard

    • Niels Bohr Institute, University of Copenhagen

  • Jeroen Danon

    • Norwegian Univ Tech (NTNU)

  • Ferdinand Kuemmeth

  View abstract →

• Dephasing in Flux-Tunable Transmon Qubits

  Oral-In-person

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

  Presenters

  • David Harrison

    • Qolab

  Authors

  • David Harrison

    • Qolab

  • Paul Buttles

  • Stanislav Eilhart

  • Nathaniel Kabat

  • Sridhar Majety

  • Felix Schupp

    • Qolab

  • Yutaka Takeda

    • University of Wisconsin - Madison

  • Britton Plourde

  • Robert McDermott

  • John Martinis

    • Qolab

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

  Oral-In-person

  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 Joshi

    • Israel Physical Society

  • Fabien Lafont

  • Serge Rosenblum

    • Weizmann Institute of Science

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

  Oral-In-person

  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 Rosen

    • Lawrence Livermore National Laboratory

  • Gregory Quiroz

    • Johns Hopkins Applied Physics Laboratory

  View abstract →