Recent Advances in Cat Qubits

Presentations

• Four-photon dissipative phase-space stabilization of binomial code

  Oral-In-person

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

  Presenters

  • Shruti Shirol

    • University of Massachusetts Amherst

  Authors

  • Shruti Shirol

    • University of Massachusetts Amherst

  • Sean van Geldern

    • University of Massachusetts Amherst

  • Chen Wang

    • University of Massachusetts Amherst

  View abstract →

• Towards Dissipative Stabilization of Four-Legged Cat Qubits in Superconducting Circuits : Part I

  Oral-In-person

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

  Presenters

  • Louis Lattier

    • École Normale Supérieure – PSL

  Authors

  • Louis Lattier

    • École Normale Supérieure – PSL

  • Brieuc Beauseigneur

    • LPENS

  • Aron Vanselow

    • École normal supérieure Paris-Saclay

  • Zaki Leghtas

  • Philippe Campagne-Ibarcq

  View abstract →

• Towards Dissipative Stabilization of Four-Legged Cat Qubits in Superconducting Circuits : Part II

  Oral-In-person

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

  Presenters

  • Brieuc Beauseigneur

    • LPENS

  Authors

  • Brieuc Beauseigneur

    • LPENS

  • Louis Lattier

    • École Normale Supérieure – PSL

  • Aron Vanselow

    • École normal supérieure Paris-Saclay

  • Zaki Leghtas

  • Philippe Campagne-Ibarcq

  View abstract →

• Fluxonium as a control qubit for bosonic quantum information (Part I)

  Oral-In-person

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

  Publication: [1] K. Nie, et al. arXiv:2505.23641 (2025).

  Presenters

  • Ke Nie

    • University of Illinois at Urbana-Champaign

  Authors

  • Ke Nie

    • University of Illinois at Urbana-Champaign

  • Jasper Bradford

    • University of Illinois at Urbana-Champaign

  • Supriya Mandal

    • University of Illinois at Urbana-Champaign

  • Aayam Bista

    • University of Illinois at Urbana-Champaign

  • Wolfgang Pfaff

    • University of Illinois at Urbana-Champaign

  • Angela Kou

    • University of Illinois at Urbana-Champaign

  View abstract →

• Fluxonium as a control qubit for bosonic quantum information (part II)

  Oral-In-person

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

  Publication: K. Nie, J. N. Bradford, S. Mandal, A. Bista, W. Pfaff, and A. Kou, Fluxonium as a control qubit for bosonic quantum
  information (2025), arXiv:2505.23641 [quant-ph].

  Presenters

  • Jasper Bradford

    • University of Illinois at Urbana-Champaign

  Authors

  • Jasper Bradford

    • University of Illinois at Urbana-Champaign

  • Ke Nie

    • University of Illinois at Urbana-Champaign

  • Swadhina Das

  • Aayam Bista

    • University of Illinois at Urbana-Champaign

  • Angela Kou

    • University of Illinois at Urbana-Champaign

  • Wolfgang Pfaff

    • University of Illinois at Urbana-Champaign

  View abstract →

• Engineering a bosonic CZ gate between two superconducting cavities

  Oral-In-person

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

  Presenters

  • Adrian Copetudo Espinosa

    • Natl Univ of Singapore

  Authors

  • Adrian Copetudo Espinosa

    • Natl Univ of Singapore

  • Amon Kasper

    • National University of Singapore

  • Nixon Yang

  • Duoyi Yin

  • Shushen Qin

  • Hui Khoon Ng

    • Natl Univ of Singapore

  • Yvonne Gao

    • Natl Univ of Singapore

  View abstract →

• Experimentally mimicking squeezed vacuum using parametric drives

  Oral-In-person

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

  Presenters

  • Yash Joshi

    • University of Chicago

  Authors

  • Yash Joshi

    • University of Chicago

  • Gustav Andersson

    • University of Chicago

  • Xuntao Wu

    • University of Chicago

  • Christopher Conner

    • University of Chicago

  • Jacob Miller

    • University of Chicago

  • Hong Qiao

    • University of Chicago

  • Bayan Karimi

    • University of Chicago

  • Shiheng Li

    • University of Chicago

  • Amber King

  • Howard Malc

  • Harsh Mishra

  • Minseok Ryu

  • Andrew Cleland

    • University of Chicago

  View abstract →

• Operating the autoparametric cat qubit at the sweet spot in flux of the memory frequency

  Oral-In-person

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

  Presenters

  • Simon Dupouy

    • ENS de Lyon

  Authors

  • Simon Dupouy

    • ENS de Lyon

  • Sergey Hazanov

    • Weizmann Institute of Science

  • Antoine Marquet

    • ALICE & BOB

  • Antoine Essig

    • ALICE & BOB

  • Felix Rautschke

    • ALICE & BOB

  • Audrey Bienfait

    • Ecole Normale Superieure de Lyon

  • Raphael Lescanne

    • ALICE & BOB

  • Benjamin Huard

    • Ecole Normale Superieure de Lyon

  View abstract →

• Cat qubit stabilization with a DC-biased Josephson junction

  Oral-In-person

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

  Presenters

  • Marco Paradina

    • Ecole Normale Superieure de Lyon

  Authors

  • Marco Paradina

    • Ecole Normale Superieure de Lyon

  • Ambroise Peugeot

  • Jean-Loup Ville

    • ALICE & BOB

  • Raphael Lescanne

    • ALICE & BOB

  • Anil Murani

    • Karlsruhe Institute of Technology

  • Sébastien Jezouin

  • Audrey Bienfait

    • Ecole Normale Superieure de Lyon

  • Benjamin Huard

    • Ecole Normale Superieure de Lyon

  View abstract →

• Preparing Schrödinger cat states in a microwave cavity using a neural network

  Invited-In-person · Invited

  March 19, 2026, 5:18 PM – March 19, 2026, 5:54 PM

  Presenters

  • Hector Hutin

    • INRIA Paris

  Authors

  • Hector Hutin

    • INRIA Paris

  • Pavlo Bilous

  • Chengzhi Ye

  • Sepideh Abdollahi

  • Loris Cros

  • Tom Dvir

  • Tirth Shah

    • Friedrich-Alexander University Erlangen-Nuremberg

  • Yonatan Cohen

    • Q.M Technologies Ltd. (Quantum Machines)

  • Audrey Bienfait

    • Ecole Normale Superieure de Lyon

  • Florian Marquardt

    • Friedrich-Alexander University Erlangen-Nuremberg

  • Benjamin Huard

    • Ecole Normale Superieure de Lyon

  View abstract →

• Exponentially robust control of bosonic modes using dissipative cat qubits

  Oral-In-person

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

  Presenters

  • Connor Hann

    • AWS Center for Quantum Computing

  Authors

  • Connor Hann

    • AWS Center for Quantum Computing

  • Kyungjoo Noh

    • Amazon.com, Inc.

  • Harald Putterman

    • AWS Center for Quantum Computing

  • Yufeng Ye

  • Akshay Koottandavida

  • Lennart Maximilian Seifert

  • Fernando Brandão

  View abstract →

• Dynamically suppressing cavity dephasing induced by frequency fluctuations of a nonlinear mode

  Oral-In-person

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

  Presenters

  • Yunwei Lu

    • Northwestern University

  Authors

  • Yunwei Lu

    • Northwestern University

  • Xinyuan You

    • Fermi National Accelerator Laboratory (Fermilab)

  • Ziwen Huang

    • Fermi National Accelerator Laboratory (Fermilab)

  • Jens Koch

    • Northwestern University

  • Yao Lu

    • Fermi National Accelerator Laboratory (Fermilab)

  View abstract →

• Cats, Chaos Dissipation

  Oral-In-person

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

  Publication: Ferrari et al, Phys. Rev. Res. (2025)
  Ferrari et al., in preparation

  Presenters

  • Fabrizio Minganti

    • Alice & Bob

  Authors

  • Fabrizio Minganti

    • Alice & Bob

  • Filippo Ferrari

    • Federal Institute of Technology (EPFL)

  • Joachim Cohen

    • ALICE & BOB

  • Vincenzo Savona

  View abstract →