Gate-defined spin qubits: Multi-electron/hole qubits
ORAL · MAR-S10 · ID: MAR-S10
Presentations
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The p-Orbital Qubit in the Presence of Valley Orbit Coupling
Oral-In-person
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Publication: [Caporaletti & Kestner, Phys. Rev. Lett. (2025)]
[Caporaletti & Kestner, Planned]Presenters
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John Caporaletti
- University of Maryland Baltimore County
Authors
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John Caporaletti
- University of Maryland Baltimore County
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Jason Kestner
- University of Maryland Baltimore County
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Proposed Three-Hole Quadrupole Qubit
Oral-In-person
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Presenters
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Yasuo Oda
- University of Maryland Baltimore County
Authors
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Yasuo Oda
- University of Maryland Baltimore County
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John Caporaletti
- University of Maryland Baltimore County
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Jason Kestner
- University of Maryland Baltimore County
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Device simulation of p-orbital qubits on a realistic semiconductor architecture
Oral-In-person
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Presenters
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Emily Eagen
- University of California, Los Angeles
Authors
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Emily Eagen
- University of California, Los Angeles
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David Kanaar
- University of California, Los Angeles
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Chris Anderson
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Mark Gyure
- University of California, Los Angeles
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John Nichol
- University of Rochester
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Full Configuration Interaction Simulations of Electron and Hole p-Orbital Qubits in Silicon and Germanium
Oral-In-person
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Presenters
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David Kanaar
- University of California, Los Angeles
Authors
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David Kanaar
- University of California, Los Angeles
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Emily Eagen
- University of California, Los Angeles
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Christopher Anderson
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Mark Gyure
- University of California, Los Angeles
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Design of always-on exchange devices for SAGE qubits
Oral-In-person
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Presenters
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Ayan Kumar
- University of California, Los Angeles
Authors
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Ayan Kumar
- University of California, Los Angeles
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Mark Gyure
- University of California, Los Angeles
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Chris Anderson
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David Kanaar
- University of California, Los Angeles
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Adam Mills
- Laboratory for Physical Sciences (LPS)
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Silas Hoffman
- Laboratory for Physical Sciences (LPS)
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Samuel Carter
- Laboratory for Physical Sciences (LPS)
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Mitigating noise for singlet-only always-on gapless exchange (SAGE) qubits: Single-qubit gates
Oral-In-person · Withdrawn
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Presenters
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Silas Hoffman
- Laboratory for Physical Sciences (LPS)
Authors
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Silas Hoffman
- Laboratory for Physical Sciences (LPS)
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Katharina Laubscher
- University of Maryland College Park
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Nathan Foulk
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Impact of Alloy Disorder on Resonant Exchange Operation in Triple-Quantum-Dot Qubits
Oral-In-person
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Presenters
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Andrew Pan
- HRL Laboratories, LLC
Authors
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Claire Dickerson
- HRL Laboratories
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Andrew Pan
- HRL Laboratories, LLC
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Mitigating noise for singlet-only always-on gapless exchange (SAGE) qubits: Two-qubit gates
Oral-In-person
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Presenters
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Katharina Laubscher
- University of Maryland College Park
Authors
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Nathan Foulk
- McKeldin Library
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Silas Hoffman
- Laboratory for Physical Sciences (LPS)
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Katharina Laubscher
- University of Maryland College Park
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Demonstration of an Always-On Exchange-Only Spin Qubit
Oral-In-person
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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
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Joseph Broz
- HRL Laboratories, LLC
Authors
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Joseph Broz
- HRL Laboratories, LLC
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Jason Petta
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Jesse Hoke
- HRL Laboratories, LLC
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Edwin Acuna
- HRL Laboratories, LLC
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Leakage Suppression via Simultaneous Exchange in a Triangular Exchange-Only Qubit
Oral-In-person
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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
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Jesse Hoke
- HRL Laboratories, LLC
Authors
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Jesse Hoke
- HRL Laboratories, LLC
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Joseph Broz
- HRL Laboratories, LLC
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Edwin Acuna
- HRL Laboratories, LLC
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Jason Petta
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Exchange-only two-qubit operations in a two-dimensional SLEDGE array
Oral-In-person
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Presenters
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Edwin Acuna
- HRL Laboratories, LLC
Authors
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Edwin Acuna
- HRL Laboratories, LLC
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Towards multi-qubit characterization with exchange-only qubits
Oral-In-person
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Presenters
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Sarah Thompson
- Sandia National Laboratories
Authors
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Sarah Thompson
- Sandia National Laboratories
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Rohith Vudatha
- Sandia National Laboratories
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Dylan Albrecht
- Sandia National Laboratories
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Natalie Foster
- Sandia National Laboratories
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Tameem Albash
- Sandia National Laboratories
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N. Jacobson
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Dwight Luhman
- Sandia National Laboratories
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Ryan Jock
- Sandia National Laboratories
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A Four-Qubit Exchange-Only Quantum Processor On Intel's Tunnel Falls
Oral-In-person
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Presenters
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Mayer Feldman
- Intel
Authors
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Mayer Feldman
- Intel
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Optimization of gate operations in quantum dot hybrid qubits formed from Ge holes
Oral-In-person
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Presenters
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Avani Vivrekar
- University of Wisconsin - Madison
Authors
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Avani Vivrekar
- University of Wisconsin - Madison
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Cate Sturner
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Jared Benson
- University of Wisconsin - Madison
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Mark Eriksson
- University of Wisconsin - Madison
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Benjamin Woods
- University of Wisconsin - Madison
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Mark Friesen
- University of Wisconsin - Madison
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Simulating the Open System Dynamics of Multiple Exchange-Only Qubits using Subspace Monte Carlo
Oral-In-person
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Presenters
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Tameem Albash
- Sandia National Laboratories
Authors
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Tameem Albash
- Sandia National Laboratories
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Noah Jacobson
- Sandia National Laboratories
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