Superconducting Qubits: Unconventional Readout and Strong Driving

Presentations

• Junction readout without flux loops or parasitic modes

  ORAL

  March 19, 2026, 3:30 PM – March 19, 2026, 3:42 PM

  Publication: https://arxiv.org/abs/2501.09010

  Presenters

  • Alex Arimoto Chapple

    • Universite de Sherbrooke

  Authors

  • Alex Arimoto Chapple

    • Universite de Sherbrooke

  • Othmane Benhayoune Khadraoui

    • Université de Sherbrooke
    • Universite de Sherbrooke

  • Alexandre Blais

    • Université de Sherbrooke
    • University of Sherbrooke
    • Universite de Sherbrooke
    • Institut Quantique, Département de Physique, Université de Sherbrooke

  View abstract →

• High-fidelity junction readout via nonperturbative cross-Kerr coupling with intrinsic purcell protection

  ORAL

  March 19, 2026, 3:42 PM – March 19, 2026, 3:54 PM

  Presenters

  • Guillaume Beaulieu

    • Ecole Polytechnique Federale de Lausanne

  Authors

  • Guillaume Beaulieu

    • Ecole Polytechnique Federale de Lausanne

  • Junzhe Chen

    • Ecole Polytechnique Federale de Lausanne

  • Marco Scigliuzzo

    • Federal Institute of Technology (EPFL)
    • Ecole Polytechnique Federale de Lausanne
    • EPFL

  • Alex Arimoto Chapple

    • Universite de Sherbrooke

  • Othmane Benhayoune Khadraoui

    • Université de Sherbrooke
    • Universite de Sherbrooke

  • Alexandre Blais

    • Université de Sherbrooke
    • University of Sherbrooke
    • Universite de Sherbrooke
    • Institut Quantique, Département de Physique, Université de Sherbrooke

  • Pasquale Scarlino

    • Ecole Polytechnique Federale de Lausanne
    • EPFL

  View abstract →

• Fast, low-photon-number readout using the arm qubit: Part I

  ORAL

  March 19, 2026, 3:54 PM – March 19, 2026, 4:06 PM

  Publication: [1] J. B. Kline, A. Yen, S. Chen, and K. P. O'Brien, "The Arm Qubit: A Superconducting Qubit Co-Designed for Coherence and Coupling," June 05, 2025, arXiv: arXiv:2506.05315.

  Presenters

  • Jeremy B Kline

    • Massachusetts Institute of Technology

  Authors

  • Jeremy B Kline

    • Massachusetts Institute of Technology

  • Alec Yen

    • Massachusetts Institute of Technology

  • Stanley Chen

    • Massachusetts Institute of Technology

  • Kaidong Peng

    • Massachusetts Institute of Technology

  • Andres Esteban Lombo

    • Massachusetts Institute of Technology

  • Eric Q Bui

    • Massachusetts Institute of Technology

  • Kevin P O'Brien

    • Massachusetts Institute of Technology

  View abstract →

• Fast, low-photon-number readout using the arm qubit: Part II

  ORAL

  March 19, 2026, 4:06 PM – March 19, 2026, 4:18 PM

  Publication: [1] J. B. Kline, A. Yen, S. Chen, and K. P. O'Brien, "The Arm Qubit: A Superconducting Qubit Co-Designed for Coherence and Coupling," June 05, 2025, arXiv: arXiv:2506.05315.

  Presenters

  • Alec Yen

    • Massachusetts Institute of Technology

  Authors

  • Alec Yen

    • Massachusetts Institute of Technology

  • Jeremy B Kline

    • Massachusetts Institute of Technology

  • Stanley Chen

    • Massachusetts Institute of Technology

  • Kaidong Peng

    • Massachusetts Institute of Technology

  • Andres Esteban Lombo

    • Massachusetts Institute of Technology

  • Eric Q Bui

    • Massachusetts Institute of Technology

  • Kevin P O'Brien

    • Massachusetts Institute of Technology

  View abstract →

• Shelving readout using even- and odd-parity electromagnetic eigenmodes of a dimon

  ORAL

  March 19, 2026, 4:18 PM – March 19, 2026, 4:30 PM

  Presenters

  • Masato Shigefuji

    • Univ of Tokyo

  Authors

  • Masato Shigefuji

    • Univ of Tokyo

  • Shotaro Shirai

    • RIKEN

  • Atsushi Noguchi

    • Univ of Tokyo

  View abstract →

• Quantum measurement based on subharmonic parametric driving

  ORAL

  March 19, 2026, 4:30 PM – March 19, 2026, 4:42 PM

  Presenters

  • Mingkang Xia

    • University of Pittsburgh
    • University of Pittsburgh, Yale University

  Authors

  • Mingkang Xia

    • University of Pittsburgh
    • University of Pittsburgh, Yale University

  • Roman A Baskov

    • Yale University

  • Girish B Kumbhar

    • Yale University

  • Jacob J Repicky

    • Yale University

  • Maria F Nowicki

    • University of Pittsburgh

  • Steven M Girvin

    • Yale University

  • Michael Hatridge

    • Yale University
    • University of Pittsburgh
    • Department of Applied Physics, Yale University

  View abstract →

• High-fidelity pulsed qubit readout with a latched cavity state in a parametric circuit-QED system

  ORAL

  March 19, 2026, 4:42 PM – March 19, 2026, 4:54 PM

  Presenters

  • Sudhir Sahu

    • University of Colorado Boulder, National Institute of Standards and Technology, Department of Physics and Applied Physics, University of Massachusetts Lowell
    • University of Colorado Boulder, National Institute of Standards and Technology
    • National Institute of Standards and Technology

  Authors

  • Sudhir Sahu

    • University of Colorado Boulder, National Institute of Standards and Technology, Department of Physics and Applied Physics, University of Massachusetts Lowell
    • University of Colorado Boulder, National Institute of Standards and Technology
    • National Institute of Standards and Technology

  • 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

  • Trevyn F.Q. F Larson

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

  • Debsuvra Mukhopadhyay

    • Northwestern University Evanston

  • Benton T Miller

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

  • 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

  • Kaixuan Ji

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

  • Tongyu Zhao

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

  • Kristen L Genter

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

  • Katarina Cicak

    • National Institute of Standards and Technology Boulder
    • National Institute of Standards and Technology
    • National Institute of Standards and Technology (NIST)

  • Tarush Tiwari

    • University of Massachusetts Lowell

  • 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

  • Leonardo M Ranzani

    • Raytheon BBN Technologies
    • RTX BBN Technologies, Quantum Photonics and Computing Group, Cambridge, MA
    • RTX BBN Technologies

  • Archana Kamal

    • Northwestern University
    • Northwestern University Evanston, University of Massachusetts Lowell
    • Northwestern University, Evanston, USA
    • University of Massachusetts

  • Ray W Simmonds

    • National Institute of Standards and Technology, University of Colorado Boulder
    • National Institute of Standards and Technology
    • National Institute of Standards and Technology Boulder
    • The Global Coherence Project

  View abstract →

• Ultrafast flux-assisted non-dispersive readout of a fluxonium qubit

  ORAL

  March 19, 2026, 4:54 PM – March 19, 2026, 5:06 PM

  Publication: Ultrafast flux-assisted non-dispersive readout of a fluxonium qubit (in preparation)

  Presenters

  • Nina del Ser

    • Caltech

  Authors

  • Nina del Ser

    • Caltech

  • Yinan Chen

    • Caltech

  • Jacob F Steiner

    • Caltech

  • Manshuo Lin

    • University of Texas at Dallas

  • Michael Kolodrubetz

    • University of Texas at Dallas

  • Gil Refael

    • Caltech

  View abstract →

• Fluxonium Qubit Readout Using Its Josephson Junction Array Mode

  ORAL

  March 19, 2026, 5:06 PM – March 19, 2026, 5:18 PM

  Presenters

  • Kotaro Hida

    • Massachusetts Institute of Technology

  Authors

  • Kotaro Hida

    • Massachusetts Institute of Technology

  • Kohei Matsuura

    • Univ of Tokyo
    • Univ. of Tokyo

  • Yasunobu Nakamura

    • RIKEN

  • Max Hays

    • Massachusetts Institute of Technology

  • Jeffrey A Grover

    • Massachusetts Institute of Technology

  • William D Oliver

    • Massachusetts Institute of Technology

  View abstract →

• Fast fluxonium readout with photon pumping and bath engineering

  ORAL

  March 19, 2026, 5:18 PM – March 19, 2026, 5:30 PM

  Presenters

  • Manshuo Lin

    • University of Texas at Dallas

  Authors

  • Manshuo Lin

    • University of Texas at Dallas

  • Nina del Ser

    • Caltech

  • Yinan Chen

    • Caltech

  • Jacob F Steiner

    • Caltech

  • Gil Refael

    • Caltech

  • Michael Kolodrubetz

    • University of Texas at Dallas

  View abstract →

• Measurement Induced State Transitions and Quantum Non-Demolition Readout in Fluxonium Qubits

  ORAL

  March 19, 2026, 5:30 PM – March 19, 2026, 5:42 PM

  Presenters

  • Miguel S Moreira

    • Massachusetts Institute of Technology

  Authors

  • Miguel S Moreira

    • Massachusetts Institute of Technology

  • Jorge F Marques

    • Massachusetts Institute of Technology

  • Alex Arimoto Chapple

    • Universite de Sherbrooke

  • Othmane Benhayoune Khadraoui

    • Université de Sherbrooke
    • Universite de Sherbrooke

  • Boris Varbanov

    • University of Sherbrooke
    • Université de Sherbrooke
    • Universite de Sherbrooke

  • Alexander McDonald

    • Université de Sherbrooke
    • Universite de Sherbrooke

  • Max Hays

    • Massachusetts Institute of Technology

  • Konstantin Nesterov

    • Atlantic Quantum

  • Jeffrey M Knecht

    • MIT Lincoln Laboratory

  • Bethany M Niedzielski

    • MIT Lincoln Laboratory

  • Hannah M Stickler

    • MIT Lincoln Laboratory

  • Mollie E. Schwartz

    • MIT Lincoln Laboratory

  • Alexandre Blais

    • Université de Sherbrooke
    • University of Sherbrooke
    • Universite de Sherbrooke
    • Institut Quantique, Département de Physique, Université de Sherbrooke

  • Kyle Serniak

    • MIT Lincoln Laboratory

  • Jeffrey A Grover

    • Massachusetts Institute of Technology

  • William D Oliver

    • Massachusetts Institute of Technology

  View abstract →

• Readout-induced degradation of transmon lifetimes: interplay of TLSs and qubit number splitting

  ORAL

  March 19, 2026, 5:42 PM – March 19, 2026, 5:54 PM

  Presenters

  • Ziwen Huang

    • AWS Center for Quantum Computing

  Authors

  • Ziwen Huang

    • AWS Center for Quantum Computing

  • Jimmy Shih-Chun Hung

    • AWS Center for Quantum Computing

  • Arbel Haim

    • AWS Center for Quantum Computing

  • Aashish A Clerk

    • University of Chicago
    • University of Chicago, AWS Center for Quantum Computing
    • U Chicago

  • Mouktik Raha

    • AWS Center for Quantum Computing
    • AWS Center for Quantum Computing, Pasadena, 91006, CA, USA

  • Ming-Han Chou

    • AWS Center for Quantum Computing

  • Harry Levine

    • University of California, Berkeley, AWS Center for Quantum Computing

  • Alex Retzker

    • AWS Center for Quantum Computing

  • Connor T Hann

    • AWS Center for Quantum Computing

  • David J Hover

    • AWS Center for Quantum Computing

  • Fernando G Brandão

    • AWS Center for Quantum Computing

  • Oskar Painter

    • AWS Center for Quantum Computing

  View abstract →

• Readout with strong drives beyond static or semi-classical approximations

  ORAL

  March 19, 2026, 5:54 PM – March 19, 2026, 6:06 PM

  Presenters

  • Alexander McDonald

    • Université de Sherbrooke

  Authors

  • Alexander McDonald

    • Université de Sherbrooke

  • Alex Arimoto Chapple

    • Universite de Sherbrooke

  • Othmane Benhayoune Khadraoui

    • Université de Sherbrooke
    • Universite de Sherbrooke

  • Boris Varbanov

    • University of Sherbrooke
    • Université de Sherbrooke
    • Universite de Sherbrooke

  • Alexandre Blais

    • Université de Sherbrooke
    • University of Sherbrooke
    • Universite de Sherbrooke
    • Institut Quantique, Département de Physique, Université de Sherbrooke

  View abstract →

• Efficiently simulating high-dimensional entangled qubit-resonator quantum trajectories

  ORAL

  March 19, 2026, 6:06 PM – March 19, 2026, 6:18 PM

  Presenters

  • Sacha Greenfield

    • University of Southern California

  Authors

  • Sacha Greenfield

    • University of Southern California

  • Cory Panttaja

    • Chapman University

  • Eli Levenson-Falk

    • University of Southern California

  • Justin Dressel

    • Chapman University

  View abstract →

• Order from chaos with adaptive circuits on quantum hardware

  ORAL

  March 19, 2026, 6:18 PM – March 19, 2026, 6:30 PM

  Publication: https://arxiv.org/pdf/2509.18259

  Presenters

  • Bibek B Pokharel

    • IBM Thomas J. Watson Research Center

  Authors

  • Bibek B Pokharel

    • IBM Thomas J. Watson Research Center

  • Haining Pan

    • Rutgers University

  • Kemal Aziz

    • Rutgers University

  • Luke CG Govia

    • IBM Thomas J. Watson Research Center

  • Sriram Ganeshan

    • City College of New York

  • Thomas P Iadecola

    • Iowa State University
    • Penn State University

  • Justin H Wilson

    • Louisiana State University

  • Barbara A Jones

    • IBM Thomas J. Watson Research Center

  • Abhinav Deshpande

    • IBM Thomas J. Watson Research Center

  • Jedediah Pixley

    • Rutgers University

  • Maika Takita

    • IBM Thomas J. Watson Research Center

  View abstract →