Gate-defined spin qubits: Multi-electron/hole qubits

Presentations

• The p-Orbital Qubit in the Presence of Valley Orbit Coupling

  ORAL

  March 19, 2026, 8:00 AM – March 19, 2026, 8:12 AM

  Publication: [Caporaletti & Kestner, Phys. Rev. Lett. (2025)]
  [Caporaletti & Kestner, Planned]

  Presenters

  • John H Caporaletti

    • University of Maryland Baltimore County

  Authors

  • John H Caporaletti

    • University of Maryland Baltimore County

  • Jason P Kestner

    • University of Maryland Baltimore County

  View abstract →

• Proposed Three-Hole Quadrupole Qubit

  ORAL

  March 19, 2026, 8:12 AM – March 19, 2026, 8:24 AM

  Presenters

  • Yasuo Oda

    • University of Maryland Baltimore County

  Authors

  • Yasuo Oda

    • University of Maryland Baltimore County

  • John H Caporaletti

    • University of Maryland Baltimore County

  • Jason P Kestner

    • University of Maryland Baltimore County

  View abstract →

• Device simulation of p-orbital qubits on a realistic semiconductor architecture

  ORAL

  March 19, 2026, 8:24 AM – March 19, 2026, 8:36 AM

  Presenters

  • Emily Eagen

    • University of California, Los Angeles

  Authors

  • Emily Eagen

    • University of California, Los Angeles

  • David Wyman Kanaar

    • UCLA
    • University of California, Los Angeles
    • University of Maryland Baltimore County

  • Chris R Anderson

    • University of California, Los Angeles (UCLA)
    • University of California, Los Angeles

  • Mark F Gyure

    • University of California, Los Angeles
    • UCLA

  • John M Nichol

    • University of Rochester

  View abstract →

• Full Configuration Interaction Simulations of Electron and Hole p-Orbital Qubits in Silicon and Germanium

  ORAL

  March 19, 2026, 8:36 AM – March 19, 2026, 8:48 AM

  Presenters

  • David Wyman Kanaar

    • UCLA
    • University of California, Los Angeles
    • University of Maryland Baltimore County

  Authors

  • David Wyman Kanaar

    • UCLA
    • University of California, Los Angeles
    • University of Maryland Baltimore County

  • Emily Eagen

    • University of California, Los Angeles

  • Christopher R Anderson

    • University of California, Los Angeles
    • UCLA

  • Mark F Gyure

    • University of California, Los Angeles
    • UCLA

  View abstract →

• Design of always-on exchange devices for SAGE qubits

  ORAL

  March 19, 2026, 8:48 AM – March 19, 2026, 9:00 AM

  Presenters

  • Ayan Kumar

    • University of California, Los Angeles

  Authors

  • Ayan Kumar

    • University of California, Los Angeles

  • Mark F Gyure

    • University of California, Los Angeles
    • UCLA

  • Chris R Anderson

    • University of California, Los Angeles (UCLA)
    • University of California, Los Angeles

  • David Wyman Kanaar

    • UCLA
    • University of California, Los Angeles
    • University of Maryland Baltimore County

  • Adam R Mills

    • Laboratory for Physical Sciences (LPS)

  • Silas Hoffman

    • Laboratory for Physical Sciences (LPS)

  • Samuel George Carter

    • Laboratory for Physical Sciences (LPS)

  View abstract →

• Abstract Withdrawn

  ORAL · Withdrawn

  March 19, 2026, 9:00 AM – March 19, 2026, 9:12 AM

  View abstract →

• Impact of Alloy Disorder on Resonant Exchange Operation in Triple-Quantum-Dot Qubits

  ORAL

  March 19, 2026, 9:12 AM – March 19, 2026, 9:24 AM

  Presenters

  • Andrew S Pan

    • HRL Laboratories, LLC

  Authors

  • Claire Dickerson

    • HRL Laboratories

  • Andrew S Pan

    • HRL Laboratories, LLC

  View abstract →

• Mitigating noise for singlet-only always-on gapless exchange (SAGE) qubits: Two-qubit gates

  ORAL

  March 19, 2026, 9:24 AM – March 19, 2026, 9:36 AM

  Presenters

  • Katharina Laubscher

    • University of Maryland College Park

  Authors

  • Nathan Foulk

    • Johns Hopkins Applied Physics Laboratory (APL)

  • Silas Hoffman

    • Laboratory for Physical Sciences (LPS)

  • Katharina Laubscher

    • University of Maryland College Park

  View abstract →

• Demonstration of an Always-On Exchange-Only Spin Qubit

  ORAL

  March 19, 2026, 9:36 AM – March 19, 2026, 9:48 AM

  Publication: Broz, J. D., Hoke, J. C., Acuna, E., & Petta, J. R. Demonstration of an always-on exchange-only spin qubit. arXiv:2508.01033 (2025).

  Presenters

  • Joseph Broz

    • HRL Laboratories, LLC

  Authors

  • Joseph Broz

    • HRL Laboratories, LLC

  • Jason R Petta

    • HRL Laboratories, LLC
    • HRL Laboratories, LLC.

  • Jesse C Hoke

    • HRL Laboratories, LLC

  • Edwin Acuna

    • HRL Laboratories, LLC

  View abstract →

• Leakage Suppression via Simultaneous Exchange in a Triangular Exchange-Only Qubit

  ORAL

  March 19, 2026, 9:48 AM – March 19, 2026, 10:00 AM

  Publication: [1] Acuna, Edwin, et al. "Coherent control of a triangular exchange-only spin qubit." Physical Review Applied 22(4), 044057 (2024).
  [2] Broz, J. D., Hoke, J. C., Acuna, E., & Petta, J. R. Demonstration of an always-on exchange-only spin qubit. arXiv:2508.01033 (2025).

  Presenters

  • Jesse C Hoke

    • HRL Laboratories, LLC

  Authors

  • Jesse C Hoke

    • HRL Laboratories, LLC

  • Joseph Broz

    • HRL Laboratories, LLC

  • Edwin Acuna

    • HRL Laboratories, LLC

  • Jason R Petta

    • HRL Laboratories, LLC
    • HRL Laboratories, LLC.

  View abstract →

• Exchange-only two-qubit operations in a two-dimensional SLEDGE array

  ORAL

  March 19, 2026, 10:00 AM – March 19, 2026, 10:12 AM

  Presenters

  • Edwin Acuna

    • HRL Laboratories, LLC

  Authors

  • Edwin Acuna

    • HRL Laboratories, LLC

  View abstract →

• Towards multi-qubit characterization with exchange-only qubits

  ORAL

  March 19, 2026, 10:12 AM – March 19, 2026, 10:24 AM

  Presenters

  • Sarah M Thompson

    • Sandia National Laboratories

  Authors

  • Sarah M Thompson

    • Sandia National Laboratories

  • Rohith Vudatha

    • Sandia National Laboratories

  • Dylan Albrecht

    • Sandia National Laboratories

  • Natalie D Foster

    • Sandia National Laboratories

  • Tameem Albash

    • Sandia National Laboratories

  • N T Jacobson

    • Sandia National Laboratories

  • Dwight R Luhman

    • Sandia National Laboratories

  • Ryan M Jock

    • Sandia National Laboratories

  View abstract →

• A Four-Qubit Exchange-Only Quantum Processor On Intel's Tunnel Falls

  ORAL

  March 19, 2026, 10:24 AM – March 19, 2026, 10:36 AM

  Presenters

  • Mayer M Feldman

    • Intel
    • Princeton University

  Authors

  • Mayer M Feldman

    • Intel
    • Princeton University

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• Optimization of gate operations in quantum dot hybrid qubits formed from Ge holes

  ORAL

  March 19, 2026, 10:36 AM – March 19, 2026, 10:48 AM

  Presenters

  • Avani Vivrekar

    • University of Wisconsin-Madison
    • University of Wisconsin - Madison

  Authors

  • Avani Vivrekar

    • University of Wisconsin-Madison
    • University of Wisconsin - Madison

  • Cate E Sturner

    • University of Wisconsin - Madison
    • University of Wisconsin-Madison

  • Jared Benson

    • University of Wisconsin - Madison
    • University of Wisconsin-Madison

  • Mark A Eriksson

    • University of Wisconsin-Madison
    • University of Wisconsin - Madison

  • Benjamin D Woods

    • University of Wisconsin - Madison

  • Mark Friesen

    • University of Wisconsin-Madison
    • University of Wisconsin - Madison

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• Simulating the Open System Dynamics of Multiple Exchange-Only Qubits using Subspace Monte Carlo

  ORAL

  March 19, 2026, 10:48 AM – March 19, 2026, 11:00 AM

  Presenters

  • Tameem Albash

    • Sandia National Laboratories

  Authors

  • Tameem Albash

    • Sandia National Laboratories

  • Noah T Jacobson

    • Sandia National Laboratories

  View abstract →