Superconducting Qubits: Unconventional Readout and Strong Driving

Presentations

• Junction readout without flux loops or parasitic modes

  Oral-In-person

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

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

  Presenters

  • Alex Chapple

    • Universite de Sherbrooke

  Authors

  • Alex Chapple

    • Universite de Sherbrooke

  • Othmane Benhayoune Khadraoui

    • Université de Sherbrooke

  • Alexandre Blais

    • Université de Sherbrooke

  View abstract →

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

  Oral-In-person

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

  Presenters

  • Guillaume Beaulieu

    • Federal Institute of Technology (EPFL)

  Authors

  • Guillaume Beaulieu

    • Federal Institute of Technology (EPFL)

  • Junzhe Chen

  • Marco Scigliuzzo

    • Ecole Polytechnique Federale de Lausanne

  • Alex Chapple

    • Universite de Sherbrooke

  • Othmane Benhayoune Khadraoui

    • Université de Sherbrooke

  • Alexandre Blais

    • Université de Sherbrooke

  • Pasquale Scarlino

    • Ecole Polytechnique Federale de Lausanne

  View abstract →

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

  Oral-In-person

  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 Kline

    • Massachusetts Institute of Technology

  Authors

  • Jeremy Kline

    • Massachusetts Institute of Technology

  • Alec Yen

    • Massachusetts Institute of Technology

  • Stanley Chen

  • Kaidong Peng

    • Massachusetts Institute of Technology

  • Andres Lombo

    • Massachusetts Institute of Technology

  • Eric Bui

  • Kevin O'Brien

    • Massachusetts Institute of Technology

  View abstract →

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

  Oral-In-person

  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 Kline

    • Massachusetts Institute of Technology

  • Stanley Chen

  • Kaidong Peng

    • Massachusetts Institute of Technology

  • Andres Lombo

    • Massachusetts Institute of Technology

  • Eric Bui

  • Kevin O'Brien

    • Massachusetts Institute of Technology

  View abstract →

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

  Oral-In-person

  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-In-person

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

  Presenters

  • Mingkang Xia

    • University of Pittsburgh

  Authors

  • Mingkang Xia

    • University of Pittsburgh

  • Roman Baskov

  • Girish Kumbhar

    • Yale U

  • Jacob Repicky

    • Yale University

  • Maria Nowicki

    • University of Pittsburgh

  • Steven Girvin

    • Yale University

  • Michael Hatridge

    • Yale University

  View abstract →

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

  Oral-In-person

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

  Presenters

  • Sudhir Sahu

    • NIST, Boulder

  Authors

  • Sudhir Sahu

    • NIST, Boulder

  • Zachary Parrott

    • NIST, Boulder

  • Trevyn Larson

    • National Institute of Standards and Technology Boulder

  • Debsuvra Mukhopadhyay

    • University of South Florida

  • Benton Miller

    • University of Colorado, Boulder

  • Tony McFadden

    • National Institute of Standards and Technology (NIST)

  • Kaixuan Ji

    • University of Colorado, Boulder

  • Tongyu Zhao

    • National Institute of Standards and Technology Boulder

  • Kristen Genter

    • University of Colorado, Boulder

  • Katarina Cicak

    • National Institute of Standards and Technology (NIST)

  • Tarush Tiwari

    • University of Massachusetts Lowell

  • Florent Lecocq

    • National Institute of Standards and Technology

  • Leonardo Ranzani

    • Raytheon BBN Technologies

  • Archana Kamal

    • Northwestern University

  • Ray Simmonds

    • National Institute of Standards and Technology Boulder

  View abstract →

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

  Oral-In-person

  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 Steiner

    • Caltech

  • Manshuo Lin

    • University of Texas at Dallas

  • Michael Kolodrubetz

  • Gil Refael

    • Caltech

  View abstract →

• Fluxonium Qubit Readout Using Its Josephson Junction Array Mode

  Oral-In-person

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

  Presenters

  • Kotaro Hida

    • MIT

  Authors

  • Kotaro Hida

    • MIT

  • Kohei Matsuura

    • Univ of Tokyo

  • Yasunobu Nakamura

    • RIKEN

  • Max Hays

    • Massachusetts Institute of Technology

  • Jeffrey Grover

    • Massachusetts Institute of Technology

  • William Oliver

    • Massachusetts Institute of Technology

  View abstract →

• Fast fluxonium readout with photon pumping and bath engineering

  Oral-In-person

  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 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-In-person

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

  Presenters

  • Miguel Moreira

    • Massachusetts Institute of Technology

  Authors

  • Miguel Moreira

    • Massachusetts Institute of Technology

  • Jorge Marques

    • Massachusetts Institute of Technology

  • Alex Chapple

    • Universite de Sherbrooke

  • Othmane Benhayoune Khadraoui

    • Université de Sherbrooke

  • Boris Varbanov

  • Alexander McDonald

  • Max Hays

    • Massachusetts Institute of Technology

  • Konstantin Nesterov

    • Atlantic Quantum

  • Jeffrey Knecht

    • MIT Lincoln Laboratory

  • Bethany Niedzielski

  • Hannah Stickler

    • MIT Lincoln Laboratory

  • Mollie Schwartz

    • MIT Lincoln Laboratory

  • Alexandre Blais

    • Université de Sherbrooke

  • Kyle Serniak

    • MIT Lincoln Laboratory

  • Jeffrey Grover

    • Massachusetts Institute of Technology

  • William Oliver

    • Massachusetts Institute of Technology

  View abstract →

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

  Oral-In-person

  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

  • Aashish Clerk

    • University of Chicago

  • Mouktik Raha

    • University of Chicago

  • Ming-Han Chou

    • Amazon.com, Inc.

  • Harry Levine

    • Amazon.com, Inc.

  • Alex Retzker

  • Connor Hann

  • David Hover

    • Amazon.com, Inc.

  • Fernando Brandão

  • Oskar Painter

  View abstract →

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

  Oral-In-person

  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 Chapple

    • Universite de Sherbrooke

  • Othmane Benhayoune Khadraoui

    • Université de Sherbrooke

  • Boris Varbanov

  • Alexandre Blais

    • Université de Sherbrooke

  View abstract →

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

  Oral-In-person

  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

  • Eli Levenson-Falk

    • University of Southern California

  • Justin Dressel

    • Chapman University

  View abstract →

• Order from chaos with adaptive circuits on quantum hardware

  Oral-In-person

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

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

  Presenters

  • Bibek Pokharel

    • IBM Thomas J. Watson Research Center

  Authors

  • Bibek Pokharel

    • IBM Thomas J. Watson Research Center

  • Haining Pan

    • Rutgers University

  • Kemal Aziz

    • Rutgers University

  • Luke Govia

    • IBM Thomas J. Watson Research Center

  • Sriram Ganeshan

    • City College of New York

  • Thomas Iadecola

    • Penn State University

  • Justin Wilson

    • Louisiana State University

  • Barbara 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 →