Flux and Unconventional Qubits I

Presentations

• Lattice field theory for superconducting circuits

  Oral-In-person

  March 16, 2026, 3:30 PM – March 16, 2026, 3:42 PM

  Presenters

  • Neill Warrington

    • MIT Center for Theoretical Physics

  Authors

  • Neill Warrington

    • MIT Center for Theoretical Physics

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• Engineering Josephson junction arrays for fluxonium qubits resilient to coherent quantum phase-slips

  Oral-In-person

  March 16, 2026, 3:42 PM – March 16, 2026, 3:54 PM

  Presenters

  • Jinlun Hu

    • Delft university of techonology

  Authors

  • Jinlun Hu

    • Delft university of techonology

  • Siddharth Singh

    • Delft University of Technology

  • Eugene Huang

    • Delft University of Technology

  • Figen Yilmaz

    • Delft University of Technology

  • Martijn Zwanenburg

    • QuTech and Delft University of Technology

  • Christian Kraglund Andersen

    • Delft University of Technology

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• Loss mechanisms in fluxonium molecules

  Oral-In-person

  March 16, 2026, 3:54 PM – March 16, 2026, 4:06 PM

  Presenters

  • Aayam Bista

    • University of Illinois at Urbana-Champaign

  Authors

  • Aayam Bista

    • University of Illinois at Urbana-Champaign

  • Ke Nie

    • University of Illinois at Urbana-Champaign

  • Edmond Chow

  • Angela Kou

    • University of Illinois at Urbana-Champaign

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• Zero-field operation of NbN-based flux qubits with ferromagnetic π-junctions

  Invited-In-person · Invited

  March 16, 2026, 4:06 PM – March 16, 2026, 4:42 PM

  Publication: [1] T. Yamashita et al., Phys. Rev. Lett. 95, 097001 (2005).
  [2] S. Kim et al., Commun. Mater. 2, 98 (2021).
  [3] D. Pham et al., Sci. Rep. 12, 6863 (2022).
  [4] S. Kim et al., Commun. Mater. 5, 216 (2024).
  [5] A. K. Feofanov et al., Nat. Phys. 6, 593 (2010).

  Presenters

  • Sunmi Kim

    • NICT

  Authors

  • Sunmi Kim

    • NICT

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• Towards experimental realization of a non-degenerate noise-resilient superconducting qubit

  Oral-In-person

  March 16, 2026, 4:42 PM – March 16, 2026, 4:54 PM

  Presenters

  • Junghyun Kim

    • Massachusetts Institute of Technology

  Authors

  • Junghyun Kim

    • Massachusetts Institute of Technology

  • Hung-Yu Tsao

    • Massachusetts Institute of Technology

  • Junyoung An

    • Massachusetts Institute of Technology

  • Chia-Chin Tsai

    • Massachusetts Institute of Technology

  • Helin Zhang

    • Massachusetts Institute of Technology

  • Farid Hassani Bijarbooneh

    • Massachusetts Institute of Technology

  • Aranya Goswami

    • Nokia Bell Labs

  • Jeffrey Gertler

    • MIT Lincoln Laboratory

  • Kate Azar

    • MIT

  • Jeffrey Grover

    • Massachusetts Institute of Technology

  • Kyle Serniak

    • MIT Lincoln Laboratory

  • Max Hays

    • Massachusetts Institute of Technology

  • William Oliver

    • Massachusetts Institute of Technology

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• Fraunhofer Qubit

  Oral-In-person

  March 16, 2026, 4:54 PM – March 16, 2026, 5:06 PM

  Presenters

  • Longyu Ma

    • University of Wisconsin - Madison

  Authors

  • Longyu Ma

    • University of Wisconsin - Madison

  • Tony Liu

    • University of Washington

  • Maxim Vavilov

    • University of Wisconsin - Madison

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• Fourier engineering of the energy-phase relation for parity protected superconducting qubits

  Oral-In-person · Withdrawn

  March 16, 2026, 5:06 PM – March 16, 2026, 5:18 PM

  Publication: [1] A. M. Bozkurt, et al., SciPost Phys. 15, 204 (2023)

  Presenters

  • Nataliia Zhurbina

    • QuTech

  Authors

  • Nataliia Zhurbina

    • QuTech

  • Lukas Splitthoff

  • Siddharth Singh

    • Delft University of Technology

  • Eugene Huang

    • Delft University of Technology

  • Christian Kraglund Andersen

    • Delft University of Technology

  • Mert Bozkurt

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• Realizing higher Josephson harmonics in a double-junction transmon

  Oral-In-person

  March 16, 2026, 5:18 PM – March 16, 2026, 5:30 PM

  Publication: K. Shagalov et al., Realizing higher Josephson harmonics in a double-junction transmon (in preparation).

  Presenters

  • Ksenia Shagalov

    • Niels Bohr Institute, University of Copenhagen

  Authors

  • Ksenia Shagalov

    • Niels Bohr Institute, University of Copenhagen

  • David Feldstein-Bofill

  • Leo Uhre Jakobsen

  • Zhenhai Sun

  • Johann Bock Severin

  • Malthe Marciniak

  • Anders Kringhøj

  • Jacob Hastrup

    • Niels Bohr Institute, University of Copenhagen

  • Karsten Flensberg

    • University of Copenhagen

  • Svend Krøjer

    • Niels Bohr Institute

  • Morten Kjaergaard

    • Niels Bohr Institute, University of Copenhagen

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• Mediator-activated two-qubit gate with static crosstalk suppression using the multimode P-mon circuit

  Oral-In-person

  March 16, 2026, 5:30 PM – March 16, 2026, 5:42 PM

  Presenters

  • Frederik Pfeiffer

    • TU Munich & Walther-Meißner-Institut

  Authors

  • Frederik Pfeiffer

    • TU Munich & Walther-Meißner-Institut

  • Federico Roy

  • Niklas Glaser

    • TU Munich

  • Julius Feigl

  • Leon Koch

    • TU Munich

  • Gleb Krylov

  • Christian Schneider

    • Technical University of Munich / WMI

  • Max Werninghaus

  • Carlos Riofrío

    • BMW Group

  • Stefan Filipp

    • TU Munich

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• Inductive Coupling Scheme in Unimon Qubit Architecture

  Oral-In-person · Withdrawn

  March 16, 2026, 5:42 PM – March 16, 2026, 5:54 PM

  Presenters

  • Akhil Singh

    • Aalto University

  Authors

  • Akhil Singh

    • Aalto University

  • Suman Kundu

  • Priyank Singh Singh

    • Aalto university

  • Ashish Panigrahi

  • Vasilii Vadimov

  • Mikko Möttönen

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• Differential Unimon Qubit: A Distributed-Element Superconducting Qubit Based on an Odd-Mode Transmission Line Resonator

  Oral-In-person

  March 16, 2026, 5:54 PM – March 16, 2026, 6:06 PM

  Presenters

  • Gyum Lee

    • KAIST

  Authors

  • Gyum Lee

    • KAIST

  • Eunseong Kim

    • Korea Adv Inst of Sci & Tech

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• Investigating loss and dephasing mechanisms in constriction-based phase slip qubits

  Oral-In-person

  March 16, 2026, 6:06 PM – March 16, 2026, 6:18 PM

  Presenters

  • Cheeranjeev Purmessur

    • University of Illinois at Urbana-Champaign

  Authors

  • Cheeranjeev Purmessur

    • University of Illinois at Urbana-Champaign

  • Amrita Purkayastha

    • University of Pittsburgh

  • Bernard Van Heck

    • University of Rome La Sapienza

  • Angela Kou

    • University of Illinois at Urbana-Champaign

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• Quasienergy Response and Dynamical Protection in Floquet Superconducting Qubits

  Oral-In-person

  March 16, 2026, 6:18 PM – March 16, 2026, 6:30 PM

  Publication: D. D. B.-Colunga, et al, Dynamical Sweet and Sour Regions in Bichromatically Driven Floquet Qubits, arXiv:2505.22606 (2025)

  Presenters

  • Bibek Bhandari

    • Chapman University

  Authors

  • Bibek Bhandari

    • Chapman University

  • D. Dominic Briseno-Colunga

    • Chapman University

  • Abhishek Chakraborty

  • Chuan-Hong Liu

    • Lawrence Berkeley National Laboratory

  • David Santiago

    • Lawrence Berkeley National Laboratory

  • Irfan Siddiqi

    • University of California, Berkeley

  • Justin Dressel

    • Chapman University

  • Andrew Jordan

    • Chapman University

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