Gate-Defined Spin Qubits: Modeling and Valley States

Presentations

• Probing disorder in semiconductor qubit devices with device simulations

  Invited-In-person · Invited

  March 17, 2026, 8:00 AM – March 17, 2026, 8:36 AM

  Publication: [1] E. Cakar, H.E. Ercan, G. Fuchs, A.O. Denisov, C.R. Anderson, M.F. Gyure, J.R. Petta, Appl. Phys. Lett. 125, 143504 (2024)

  Presenters

  • Mark Gyure

    • University of California, Los Angeles

  Authors

  • Mark Gyure

    • University of California, Los Angeles

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• Design and Simulation of a Back-Gated Si/SiGe Double Quantum Well for Valley Splitting Mapping

  Oral-In-person

  March 17, 2026, 8:36 AM – March 17, 2026, 8:48 AM

  Presenters

  • Leah Tom

    • University of California, Los Angeles

  Authors

  • Leah Tom

    • University of California, Los Angeles

  • Christopher Anderson

  • Mark Gyure

    • University of California, Los Angeles

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• Valley splittings in the two bands k·p model for Si/SiGe heterostructures and spin qubit

  Oral-In-person

  March 17, 2026, 8:48 AM – March 17, 2026, 9:00 AM

  Publication: Soon to be published as preprint on the arXiv and submitted to PRB in November

  Presenters

  • Tancredi Salamone

    • CEA Leti

  Authors

  • Tancredi Salamone

    • CEA Leti

  • Biel Martinez Diaz

    • CEA Grenoble

  • Jing Li

  • Benoît Sklénard

  • Lukas Cvitkovich

  • Yann-Michel Niquet

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• Device-to-algorithm simulation of silicon spin-qubit arrays

  Oral-In-person · Withdrawn

  March 17, 2026, 9:00 AM – March 17, 2026, 9:12 AM

  Presenters

  • Jonathan Baugh

    • University of Waterloo

  Authors

  • Jonathan Baugh

    • University of Waterloo

  • Bohdan Khromets

    • University of Waterloo

  • Zach Merino

  • Xinning Wang

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• QDFlow: an open-source quantum-dot physics simulator

  Oral-In-person

  March 17, 2026, 9:12 AM – March 17, 2026, 9:24 AM

  Publication: QDFlow: A Python package for physics simulations of quantum dot devices. arXiv:2509.13298

  Presenters

  • Donovan Buterakos

    • University of Maryland College Park

  Authors

  • Donovan Buterakos

    • University of Maryland College Park

  • Sandesh Kalantre

    • Stanford University

  • Joshua Ziegler

  • Jacob Taylor

    • University of Maryland, College Park

  • Justyna Zwolak

    • National Institute of Standards and Technology (NIST)

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• Simple and Fast Silicon-Based Quantum Dot/Bit Simulation Method for Large-Scale Quantum Computing

  Oral-In-person

  March 17, 2026, 9:24 AM – March 17, 2026, 9:36 AM

  Presenters

  • Yusuke Kanno

    • Hitachi Ltd

  Authors

  • Yusuke Kanno

    • Hitachi Ltd

  • Ryo Nagai

  • Takeru Utsugi

    • Hitachi, Ltd.

  • Nobuhiro Kusuno

  • Hiroyuki Mizuno

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• Reducing orthotropic strain fluctuations in quantum dot devices by gate-layer stacking

  Oral-In-person

  March 17, 2026, 9:36 AM – March 17, 2026, 9:48 AM

  Publication: Collin C. D. Frink, Talise Oh, E. S. Joseph, Merritt P. Losert, E. R. MacQuarrie, Benjamin D. Woods, M. A. Eriksson, Mark Friesen, Reducing strain fluctuations in quantum dot devices by gate-layer stacking (2025), arXiv:2312.09235v3 [cond-mat.mes-hall]

  Presenters

  • Talise Oh

    • University of Wisconsin-Madison

  Authors

  • Talise Oh

    • University of Wisconsin-Madison

  • Collin Frink

  • Emily Joseph

    • University of Wisconsin - Madison

  • Merritt Losert

    • NIST

  • Evan MacQuarrie

  • Benjamin Woods

    • University of Wisconsin - Madison

  • Mark Eriksson

    • University of Wisconsin - Madison

  • Mark Friesen

    • University of Wisconsin - Madison

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• Probing the valley phase of Si quantum dot qubits

  Oral-In-person

  March 17, 2026, 9:48 AM – March 17, 2026, 10:00 AM

  Presenters

  • Hudaiba Soomro

    • University of Wisconsin - Madison

  Authors

  • Hudaiba Soomro

    • University of Wisconsin - Madison

  • Benjamin Woods

    • University of Wisconsin - Madison

  • Mark Friesen

    • University of Wisconsin - Madison

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• Enhancing Valley Splitting in Si/SiGe Wiggle Well Quantum Dots through Integrated Stressor–Gate Architectures

  Oral-In-person

  March 17, 2026, 10:00 AM – March 17, 2026, 10:12 AM

  Presenters

  • Emily Joseph

    • University of Wisconsin - Madison

  Authors

  • Emily Joseph

    • University of Wisconsin - Madison

  • Talise Oh

    • University of Wisconsin-Madison

  • Donald Savage

    • University of Wisconsin - Madison

  • Donald Stone

  • Deanna Campbell

  • Benjamin Woods

    • University of Wisconsin - Madison

  • Mark Friesen

    • University of Wisconsin - Madison

  • Mark Eriksson

    • University of Wisconsin - Madison

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• Dissecting simultaneous exchange from modeled multi-dot multi-electron energy spectra

  Oral-In-person

  March 17, 2026, 10:12 AM – March 17, 2026, 10:24 AM

  Presenters

  • Andrey Kiselev

    • HRL Laboratories, LLC

  Authors

  • Andrey Kiselev

    • HRL Laboratories, LLC

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• Fast evaluation of multielectron states for modeling of state preparation and measurement (SPAM) in quantum dot spin qubits

  Oral-In-person

  March 17, 2026, 10:24 AM – March 17, 2026, 10:36 AM

  Presenters

  • Dominic Daprano

    • HRL Laboratories, LLC

  Authors

  • Dominic Daprano

    • HRL Laboratories, LLC

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• Anisotropic spin-valley coupling in Si/SiGe quantum dots

  Oral-In-person

  March 17, 2026, 10:36 AM – March 17, 2026, 10:48 AM

  Presenters

  • Natalie Foster

    • Sandia National Laboratories

  Authors

  • Natalie Foster

    • Sandia National Laboratories

  • N. Jacobson

  • Dwight Luhman

    • Sandia National Laboratories

  • Ryan Jock

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• The effect of lateral confinement on valley splitting in a Si quantum well containing 5% Ge

  Oral-In-person

  March 17, 2026, 10:48 AM – March 17, 2026, 11:00 AM

  Presenters

  • Sanghyeok Park

    • University of Wisconsin - Madison

  Authors

  • Sanghyeok Park

    • University of Wisconsin - Madison

  • Alysa Huffman

    • University of Wisconsin-Madison

  • Emma Brann

    • University of Wisconsin - Madison

  • Owen Eskandari

    • University of Wisconsin-Madison

  • Jared Benson

    • University of Wisconsin - Madison

  • Cate Sturner

  • Davide Degli Esposti

    • Delft University of Technology

  • Lucas Stehouwer

  • Larysa Tryputen

    • QuTech and Netherlands Organization for Applied Scientific Research (TNO)

  • Giordano Scappucci

    • TU Delft QuTech

  • Mark Friesen

    • University of Wisconsin - Madison

  • Mark Eriksson

    • University of Wisconsin - Madison

  View abstract →