Advanced Fabrication for Superconducting Qubits

Presentations

• Modern Materials Engineering for High-Fidelity and Manufacturable Superconducting Qubits

  ORAL

  March 17, 2025, 3:00 PM – March 17, 2025, 3:12 PM

  Presenters

  • Jake Rochman

    • Applied Materials

  Authors

  • Jake Rochman

    • Applied Materials

  • Haoxiong Yan

    • Applied Materials
    • University of Chicago

  • Yue Chen

    • Applied Materials

  • Lei Jiang

    • Applied Materials

  • Wenhui Wang

    • Applied Materials

  • Zihao Yang

    • Applied Materials

  • Ruoyu Li

    • IMEC
    • Applied Materials

  • Leslie Du

    • Applied Materials

  • Zhebo Chen

    • Applied Materials

  • Mingwei Zhu

    • Applied Materials

  • Nag Patibandla

    • Applied Materials

  • Robert Visser

    • Applied Materials

  View abstract →

• Advancing Superconducting Qubits: CMOS-Compatible Processing and Room Temperature Characterization for Scalable Quantum Computing beyond 2D Architectures

  ORAL

  March 17, 2025, 3:12 PM – March 17, 2025, 3:24 PM

  Presenters

  • Simon Lang

    • Fraunhofer EMFT

  Authors

  • Simon Lang

    • Fraunhofer EMFT

  • Thomas Mayer

    • Fraunhofer EMFT

  • Ignaz Eisele

    • Fraunhofer EMFT

  • Daniela Zahn

    • Fraunhofer EMFT

  • Johannes Weber

    • Fraunhofer EMFT

  • Zhen Luo

    • Technical University of Munich (TUM)
    • Fraunhofer EMFT
    • TU Munich

  • Wilfried Lerch

    • Fraunhofer EMFT

  • Rui N Pereira

    • Fraunhofer EMFT

  • Christoph Kutter

    • Fraunhofer EMFT

  View abstract →

• Test methodology and long timescale studies of CMOS-fabricated superconducting qubits

  ORAL

  March 17, 2025, 3:24 PM – March 17, 2025, 3:36 PM

  Presenters

  • Daniela Zahn

    • Fraunhofer EMFT

  Authors

  • Daniela Zahn

    • Fraunhofer EMFT

  • Johannes Weber

    • Fraunhofer EMFT

  • Chawki Dhieb

    • Fraunhofer EMFT

  • Samuel M Taubenberger

    • Fraunhofer EMFT

  • Thomas Mayer

    • Fraunhofer EMFT

  • Simon Lang

    • Fraunhofer EMFT

  • Zhen Luo

    • Technical University of Munich (TUM)
    • Fraunhofer EMFT
    • TU Munich

  • Lars Nebrich

    • Fraunhofer EMFT

  • Ignaz Eisele

    • Fraunhofer EMFT

  • Wilfried Lerch

    • Fraunhofer EMFT

  • Rui N Pereira

    • Fraunhofer EMFT

  • Christoph Kutter

    • Fraunhofer EMFT

  View abstract →

• Realizing Scalable Quantum Processing Units (QPUs): Achievements and Prospects in 200mm Wafer-Level Fabrication by IQM Quantum Computers

  ORAL

  March 17, 2025, 3:36 PM – March 17, 2025, 3:48 PM

  Presenters

  • Wei Liu

    • IQM Quantum Computers

  Authors

  • Wei Liu

    • IQM Quantum Computers

  • Alexander Plyushch

    • IQM Quantum Computers

  • Magdalena Lehmuskoski

    • IQM Quantum Computers

  • Anton Komlev

    • IQM Quantum Computers

  • Seung-Goo Kim

    • IQM Quantum Computers

  • Máté Jenei

    • IQM Quantum Computers

  • Wei Qiu

    • IQM Quantum Computers

  • Azad Karis

    • IQM Quantum Computers

  • Lihuang Zhu

    • IQM Quantum Computers

  • Mario Palma

    • IQM Quantum Computers

  • Lily Yang

    • IQM Quantum Computers

  • Fang Dai

    • IQM Quantum Computers

  • Martin Thornton

    • IQM Quantum Computers

  • Laura Pietikainen

    • IQM Quantum Computers

  • Miao Li

    • IQM Quantum Computers

  • Outi Reentilä

    • IQM Quantum Computers

  • Jyrgen Luus

    • IQM Quantum Computers

  • Toivo Kuisma

    • IQM Quantum Computers

  • Juha Hassel

    • IQM Quantum Computers

  View abstract →

• Abstract Withdrawn

  ORAL · Withdrawn

  March 17, 2025, 3:48 PM – March 17, 2025, 4:00 PM

  View abstract →

• Fabrication and characterization of superconducting qubits on a 200mm wafer

  ORAL

  March 17, 2025, 4:00 PM – March 17, 2025, 4:12 PM

  Presenters

  • Gregory Levieil

    • Université de Sherbrooke

  Authors

  • Gregory Levieil

    • Université de Sherbrooke

  • Idris Aboubakari

    • Université de sherbrooke

  • Yannick Lapointe

    • Université de sherbrooke

  • Dominique Drouin

    • Université de Sherbrooke

  • Mathieu L Juan

    • Université de Sherbrooke
    • Universite de Sherbrooke

  View abstract →

• How to Build a Quantum Computer: Advanced Fabrication of Superconducting Qubits

  ORAL · Invited

  March 17, 2025, 4:12 PM – March 17, 2025, 4:48 PM

  Publication: Arxiv 2411.10406

  Presenters

  • John M Martinis

    • Qolab Inc
    • University of California, Santa Barbara
    • Qolab
    • Qolab, Inc

  Authors

  • John M Martinis

    • Qolab Inc
    • University of California, Santa Barbara
    • Qolab
    • Qolab, Inc

  View abstract →

• Scalable and controllable qubit manufacturing via advanced Nb-based trilayer fabrication techniques

  ORAL

  March 17, 2025, 4:48 PM – March 17, 2025, 5:00 PM

  Presenters

  • Valentino Seferai

    • University of Glasgow

  Authors

  • Valentino Seferai

    • University of Glasgow

  • Jharna Paul

    • Kelvin Nanotechnology

  • Wridhdhisom Karar

    • University of Glasgow

  • Hua Feng

    • University of Glasgow

  • Kaivan Karami

    • University of Glasgow
    • Kelvin Nanotechnology

  • Chunlin Qu

    • University of Glasgow

  • Shimeng Xi

    • University of Glasgow

  • Mohammed AlKhalidi

    • University of Glasgow

  • Martin P Weides

    • University of Glasgow

  View abstract →

• Introduction to Alternating Bias Assisted Annealing of Aluminum Oxide Tunnel barriers

  ORAL

  March 17, 2025, 5:00 PM – March 17, 2025, 5:12 PM

  Publication: Pappas, D.P., Field, M., Kopas, C.J. et al. Alternating-bias assisted annealing of amorphous oxide tunnel junctions. Nature Commun Mater 5, 150 (2024). https://doi.org/10.1038/s43246-024-00596-z

  Presenters

  • David P Pappas

    • Rigetti Computing

  Authors

  • David P Pappas

    • Rigetti Computing

  • Mark Field

    • Rigetti Computing

  • Cameron J Kopas

    • Rigetti Computing

  • Joel A Howard

    • Rigetti Computing

  • Xiqiao Wang

    • Rigetti Computing

  • Ella O Lachman

    • Rigetti Computing

  • Jinsu Oh Oh

    • Ames National Lab
    • Ames National Laboratory

  • Lin Zhou

    • Ames National Laboratory

  • Alysson Gold

    • Rigetti Computing

  • Gregory M Stiehl

    • Rigetti Computing

  • Kameshwar Yadavalli

    • Rigetti Computing

  • Eyob A Sete

    • Rigetti Computing

  • Andrew Bestwick

    • Rigetti Computing

  • Matthew J Kramer

    • Ames National Laboratory

  • Joshua Y Mutus

    • Rigetti Computing

  View abstract →

• Precision frequency tuning of tunable transmon qubits using alternating-bias assisted annealing

  ORAL

  March 17, 2025, 5:12 PM – March 17, 2025, 5:24 PM

  Publication: [1] Wang, X., Howard, J., Sete, E. A., ... & Pappas, D. P. (2024). Precision frequency tuning of tunable transmon qubits using alternating-bias assisted annealing. arXiv preprint arXiv:2407.06425.
  [2] Pappas, D. P., Field, M., Kopas, C. J., Howard, J. A., Wang, X., ... & Mutus, J. Y. (2024). Alternating-bias assisted annealing of amorphous oxide tunnel junctions. Communications Materials, 5(1), 150.

  Presenters

  • Xiqiao Wang

    • Rigetti Computing

  Authors

  • Xiqiao Wang

    • Rigetti Computing

  • Joel A Howard

    • Rigetti Computing

  • Eyob A Sete

    • Rigetti Computing

  • Gregory M Stiehl

    • Rigetti Computing

  • Cameron Kopas

    • Rigetti Computing

  • Stefano Poletto

    • Rigetti Computing

  • Xian Wu

    • Rigetti Computing

  • Mark Field

    • Rigetti Computing

  • Nicholas Sharac

    • Rigetti Computing

  • Christopher Eckberg

    • Rigetti Computing

  • Hilal Cansizoglu

    • Rigetti Computing

  • Raja Katta

    • Rigetti Computing

  • Joshua Y Mutus

    • Rigetti Computing

  • Andrew Bestwick

    • Rigetti Computing

  • Kameshwar Yadavalli

    • Rigetti Computing

  • Joel A Howard

    • Rigetti Computing

  View abstract →

• Effect of Josephson junction probing bias on qubit loss

  ORAL

  March 17, 2025, 5:24 PM – March 17, 2025, 5:36 PM

  Presenters

  • Cameron J Kopas

    • Rigetti Computing

  Authors

  • Cameron J Kopas

    • Rigetti Computing

  • Xiqiao Wang

    • Rigetti Computing

  • Rory Cochrane

    • Rigetti Computing

  • Daniel Setiawan

    • Rigetti Computing

  • Pradeep Manandhar

    • Rigetti Computing

  • Nicholas Sharac

    • Rigetti Computing

  • Raja Katta

    • Rigetti Computing

  • Hilal Cansizoglu

    • Rigetti Computing

  • Kameshwar Yadavalli

    • Rigetti Computing

  View abstract →

• Oral: Expanded Parameter Search of Alternating-Bias Assisted Annealing (ABAA)

  ORAL

  March 17, 2025, 5:36 PM – March 17, 2025, 5:48 PM

  Publication: (Pappas et al., 2024)

  Presenters

  • Kevin Chaves

    • Lawrence Livermore National Laboratory

  Authors

  • Kevin Chaves

    • Lawrence Livermore National Laboratory

  • Vito M Iaia

    • Lawrence Livermore National Laboratory

  • Davis B Rash

    • Lawrence Livermore National Laboratory

  • Yaniv J Rosen

    • Lawrence Livermore National Laboratory

  • Loren D Alegria

    • Lawrence Livermore National Laboratory

  • Alex Abelson

    • Lawrence Livermore National Laboratory

  View abstract →

• Post-fabrication adjustment of Josephson junctions - materials and techniques

  ORAL

  March 17, 2025, 5:48 PM – March 17, 2025, 6:00 PM

  Presenters

  • Oscar W Kennedy

    • Oxford Quantum Circuits

  Authors

  • Oscar W Kennedy

    • Oxford Quantum Circuits

  • Jared H Cole

    • RMIT University

  • Connor D Shelly

    • Oxford Quantum Circuits

  • OQC Hardware Team

    • Oxford Quantum Circuits

  View abstract →