Superconducting Qubits: Improved Gates

Presentations

• Stable CNOT-gate on inductively-coupled fluxoniums with over 99.9% fidelity – part 1

  ORAL

  March 21, 2025, 11:00 AM – March 21, 2025, 11:12 AM

  Publication: Lin, Wei-Ju, et al. "Verifying the analogy between transversely coupled spin-1/2 systems and inductively-coupled fluxoniums." arXiv preprint arXiv:2407.15450 (2024).

  Presenters

  • Hyunheung Cho

    University of Maryland College Park

  Authors

  • Hyunheung Cho

    University of Maryland College Park

  • Wei-Ju Lin

    University of Maryland College Park

  • Yinqi Chen

    Louisiana State University

  • Kasra Sardashti

    Laboratory for Physical Sciences (LPS)

  • Maxim G Vavilov

    University of Wisconsin - Madison

  • Chen Wang

    University of Massachusetts Amherst, UNIVERSITY OF MASSACHUSETTS AMHERST

  • Vladimir E Manucharyan

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

  View abstract →

• Stable CNOT-gate on inductively-coupled fluxoniums with over 99.9% fidelity – part 2

  ORAL

  March 21, 2025, 11:12 AM – March 21, 2025, 11:24 AM

  Publication: Lin, Wei-Ju, et al. "24 days-stable CNOT-gate on fluxonium qubits with over 99.9% fidelity." arXiv preprint arXiv:2407.15783 (2024).

  Presenters

  • Wei-Ju Lin

    University of Maryland College Park

  Authors

  • Wei-Ju Lin

    University of Maryland College Park

  • Hyunheung Cho

    University of Maryland College Park

  • Yinqi Chen

    Louisiana State University

  • Kasra Sardashti

    Laboratory for Physical Sciences (LPS)

  • Maxim G Vavilov

    University of Wisconsin - Madison

  • Chen Wang

    University of Massachusetts Amherst, UNIVERSITY OF MASSACHUSETTS AMHERST

  • Vladimir E Manucharyan

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

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• Two-qubit gates in an inductively coupled fluxonium system

  ORAL

  March 21, 2025, 11:24 AM – March 21, 2025, 11:36 AM

  Presenters

  • Valeria Diaz Moreno

    University of Wisconsin - Madison

  Authors

  • Valeria Diaz Moreno

    University of Wisconsin - Madison

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• In-situ mixer sideband calibration with superconducting qubits

  ORAL

  March 21, 2025, 11:36 AM – March 21, 2025, 11:48 AM

  Presenters

  • Masaya Fukami

    Google LLC, Google Quantum AI

  Authors

  • Masaya Fukami

    Google LLC, Google Quantum AI

  • Jonathan A Gross

    Google LLC, Google Quantum AI

  • Elie Genois

    Universite de Sherbrooke, Google Quantum AI, Université de Sherbrooke

  • Wojciech Mruczkiewicz

    Google LLC, Google Quantum AI

  • Zhang Jiang

    Google LLC

  View abstract →

• Leakage Reduction in Single Qubit Gates on Transmon Qubits

  ORAL

  March 21, 2025, 11:48 AM – March 21, 2025, 12:00 PM

  Presenters

  • Benjamin T Chiaro

    Google LLC

  Authors

  • Benjamin T Chiaro

    Google LLC

  • Yaxing Zhang

    Google LLC

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• High-derivative DRAG for error reduction in single-qubit gates

  ORAL

  March 21, 2025, 12:00 PM – March 21, 2025, 12:12 PM

  Presenters

  • José Jesus

    Forschungszentrum Juelich GmbH, juelich forschungszentrum

  Authors

  • José Jesus

    Forschungszentrum Juelich GmbH, juelich forschungszentrum

  • Boxi Li

    Forschungszentrum Juelich GmbH

  • Tommaso Calarco

    Forschungszentrum Juelich GmbH, Forschungszentrum Jülich

  • Francisco A Cárdenas-López

    Forschungszentrum Juelich GmbH, Forschungszentrum Jülich

  • Felix Motzoi

    Forschungszentrum Juelich GmbH, Forschungszentrum Jülich GmbH

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• High-derivative DRAG for error reduction in two-qubit and qudit gates

  ORAL

  March 21, 2025, 12:12 PM – March 21, 2025, 12:24 PM

  Publication: [1] B. Li, et. al., Experimental error suppression in Cross-Resonance gates via multi-derivative pulse shaping, npj Quantum Information 10.1 (2024): 66.<br>[2] B. Li, et. al., Recursive pulse construction for fast universal qudit gate set in nonlinear oscillators, in preparation.<br>[3] B. Li, et. al., Nonperturbative Analytical Diagonalization of Hamiltonians with Application to Circuit QED, PRX Quantum 3.3 (2022): 030313.

  Presenters

  • Boxi Li

    Forschungszentrum Juelich GmbH

  Authors

  • Boxi Li

    Forschungszentrum Juelich GmbH

  • Francisco A Cárdenas-López

    Forschungszentrum Juelich GmbH, Forschungszentrum Jülich

  • José Jesus

    Forschungszentrum Juelich GmbH, juelich forschungszentrum

  • Adrian Lupascu

    University of Waterloo

  • Tommaso Calarco

    Forschungszentrum Juelich GmbH, Forschungszentrum Jülich

  • Felix Motzoi

    Forschungszentrum Juelich GmbH, Forschungszentrum Jülich GmbH

  View abstract →

• Enhancing Gate Fidelity via Crosstalk Mitigation and Pulse Predistortion

  ORAL

  March 21, 2025, 12:24 PM – March 21, 2025, 12:36 PM

  Presenters

  • Shravan Patel

    University of Wisconsin - Madison

  Authors

  • Shravan Patel

    University of Wisconsin - Madison

  • Elam James Blackwell

    University of Wisconsin Madison

  • Yutaka Takeda

    University of Wisconsin - Madison

  • Matthew Snyder

    University of Wisconsin - Madison

  • Spencer Weeden

    University of Wisconsin - Madison

  • David C Harrison

    University of Wisconsin - Madison

  • Britton L Plourde

    University of Wisconsin-Madison, University of Wisconsin - Madison

  • Robert F McDermott

    University of Wisconsin - Madison, Qolab

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• Parameter fluctuations and robust gates in superconducting qubits

  ORAL

  March 21, 2025, 12:36 PM – March 21, 2025, 12:48 PM

  Presenters

  • Emily Wright

    TU Munich, Walther-Meißner-Institute

  Authors

  • Emily Wright

    TU Munich, Walther-Meißner-Institute

  • Julian Englhardt

    TU Munich, Walther-Meißner-Institute

  • Leo van Damme

    School of natural sciences, Technical University of Munich, TU Munich, MCQST

  • Amit Devra

    TU Munich, MCQST

  • Max Werninghaus

    TU Munich, TU Munich, Walther-Meißner-Institute

  • Niklas J Glaser

    TU Munich, Walther-Meißner-Institute

  • Federico Roy

    TU Munich, Walther-Meißner-Institute, Walther-Meißner-Institut, Bayerische Akademie der Wissenschaften, 85748 Garching

  • Steffen J Glaser

    School of natural sciences, Technical University of Munich, TU Munich, MCQST

  • Stefan Filipp

    TU Munich, TU Munich, Walther-Meißner-Institute

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• High-fidelity and robust quantum gates for superconducting transmon qubits: Against intrinsic errors and decoherence noise

  ORAL

  March 21, 2025, 12:48 PM – March 21, 2025, 1:00 PM

  Presenters

  • Hsi-Sheng GOAN

    National Taiwan University

  Authors

  • Hsi-Sheng GOAN

    National Taiwan University

  • Chia-Hsien Huang

    National Taiwan University

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• Exploring and benchmarking cross-resonance gates via the second excited state

  ORAL

  March 21, 2025, 1:00 PM – March 21, 2025, 1:12 PM

  Presenters

  • Bryn Bell

    Oxford Quantum Circuits

  Authors

  • Bryn Bell

    Oxford Quantum Circuits

  • Travers Ward

    Oxford Quantum Circuits

  • Ailsa Keyser

    Oxford Quantum Circuits

  • Richard Bounds

    Oxford Quantum Circuits

  • Norbert Deak

    Oxford Quantum Circuits

  • OQC Hardware Team

    Oxford Quantum Circuits

  • Jonathan Burnett

    Oxford Quantum Circuits

  • OQC Hardware Team

    Oxford Quantum Circuits

  • OQC Software

    Oxford Quantum Circuits

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• High Fidelity Cross Resonance Gates on Fixed Frequency Transmons

  ORAL

  March 21, 2025, 1:12 PM – March 21, 2025, 1:24 PM

  Presenters

  • Paal H Prestegaard

    Princeton University

  Authors

  • Paal H Prestegaard

    Princeton University

  • Matthew P Bland

    Princeton University

  • Shashwat Kumar

    Princeton University

  • Faranak Bahrami

    Princeton University

  • Nathalie P de Leon

    Princeton University

  • Andrew A Houck

    Princeton University

  View abstract →

• Environment-assisted Cross-Resonance gate

  ORAL

  March 21, 2025, 1:24 PM – March 21, 2025, 1:36 PM

  Presenters

  • Radhika Hemant Joshi

    Forschungszentrum Jülich GmbH

  Authors

  • Radhika Hemant Joshi

    Forschungszentrum Jülich GmbH

  • Alwin van Steensel

    University of RWTH-Aachen University

  • Julian Rapp

    Forschungszentrum Juelich GmbH, Forschungszentrum Jülich GmbH

  • Mohammad H Ansari

    Forschungszentrum Juelich GmbH, Forschungszentrum Jülich GmbH

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• Fundamental speedup of the controlled-Z gate in superconducting qubits using a triple-state degeneracy

  ORAL

  March 21, 2025, 1:36 PM – March 21, 2025, 1:48 PM

  Presenters

  • Simone D Fasciati

    University of Oxford

  Authors

  • Simone D Fasciati

    University of Oxford

  • Boris Shteynas

    University of Oxford

  • Giulio Campanaro

    University of Oxford

  • Mustafa Bakr

    University of Oxford, University of Oxford/St Peter

  • Mohammed Alghadeer

    University of Oxford

  • Shuxiang Cao

    University of Oxford

  • Michele Piscitelli

    University of Oxford

  • Peter J Leek

    University of Oxford

  View abstract →