Gate-defined spin qubits: Ge hole qubits

Presentations

• Virtual gates enabled by digital surrogate of quantum dot devices

  ORAL

  March 19, 2026, 3:30 PM – March 19, 2026, 3:42 PM

  Presenters

  • David Craig

    • QuantrolOx Ltd.

  Authors

  • Alexander Lidiak

    • QuantrolOx

  • Jacob Swain

    • QuantrolOx Ltd.

  • David Craig

    • QuantrolOx Ltd.

  • Joseph Hickie

    • University of Oxford

  • Yikai Yang

    • University of Oxford

  • Federico Fedele

    • University of Oxford

  • Jaime Saez Mollejo

    • Institute of Science and Technology Austria

  • Andrea Ballabio

    • Politecnico di Milano

  • Daniel Chrastina

    • Politecnico di Milano

  • Giovanni Isella

    • Politecnico di Milano

  • Georgios Katsaros

    • ISTA

  • Dominic Lennon

    • QuantrolOx Ltd.
    • QuantrolOx

  • Vincent Philippe Michal

    • University of Oxford

  • Erik Gauger

    • Heriot-Watt University

  • Natalia Ares

    • University of Oxford

  View abstract →

• Self-consistent device simulation of germanium hole qubits

  ORAL

  March 19, 2026, 3:42 PM – March 19, 2026, 3:54 PM

  Presenters

  • Adrian B Culver

    • University of California, Los Angeles

  Authors

  • Adrian B Culver

    • 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 →

• Theoretical analysis of hole spin qubits in gate-defined germanium quantum dots

  ORAL

  March 19, 2026, 3:54 PM – March 19, 2026, 4:06 PM

  Presenters

  • Omadillo Abdurazakov

    • University of Texas at El Paso

  Authors

  • Omadillo Abdurazakov

    • University of Texas at El Paso

  • Ralph L Colmenar

    • Laboratory for Physical Sciences

  • Arthur Lin

    • University of Maryland College Park

  • Charles Tahan

    • University of Maryland

  • Yun-Pil Shim

    • University of Texas at El Paso

  View abstract →

• Electric control of hole spin qubits in Ge quantum dot

  ORAL

  March 19, 2026, 4:06 PM – March 19, 2026, 4:18 PM

  Publication: [1] Valentin John, et. al., arXiv:2412.16044 (2024)
  [2] Jiawei Wang, et. al., Phys. Rev. B 112 115309 (2025)

  Presenters

  • Jiawei Wang

    • State Univ of NY - Buffalo

  Authors

  • Jiawei Wang

    • State Univ of NY - Buffalo

  • Xuedong Hu

    • Department of Physics, University at Buffalo
    • State Univ of NY - Buffalo

  • Herbert F Fotso

    • State Univ of NY - Buffalo

  View abstract →

• Material challenges and opportunities for Ge/GeSi heterostructures: a modelling perspective

  ORAL

  March 19, 2026, 4:18 PM – March 19, 2026, 4:30 PM

  Publication: arXiv:2506.04977, accepted in npj Quantum Information

  Presenters

  • Yann-Michel Niquet

    • CEA/IRIG/MEM/L_Sim

  Authors

  • Esteban Alonso Rodriguez Mena

    • CEA/IRIG/MEM/L_Sim

  • Ahmad Fouad Kalo

    • CEA/IRIG/MEM/L_Sim

  • Mauricio-Javier Rodriguez Garcia

    • CEA/IRIG/MEM/L_Sim
    • CEA

  • Lorenzo Mauro

    • CEA/IRIG/MEM/L_Sim
    • CEA Grenoble

  • Biel Martinez Diaz

    • CEA Grenoble
    • CEA/LETI
    • CEA

  • Yann-Michel Niquet

    • CEA/IRIG/MEM/L_Sim

  View abstract →

• Driving Ge hole spin qubit using acoustic wave

  ORAL

  March 19, 2026, 4:30 PM – March 19, 2026, 4:42 PM

  Presenters

  • Tzu-Kan Hsiao

    • National Tsing Hua University

  Authors

  • Tzu-Kan Hsiao

    • National Tsing Hua University

  • Chun-Yang Yuan

    • National Tsing Hua University

  View abstract →

• Quantum logic in a bilinear 18-qubit germanium quantum processor

  ORAL

  March 19, 2026, 4:42 PM – March 19, 2026, 4:54 PM

  Presenters

  • David van Driel

    • Groove Quantum

  Authors

  • David van Driel

    • Groove Quantum

  • Jurgen Jans Dijkema

    • Groove Quantum

  • Achilleas Bardakas

    • Groove Quantum

  • Xin Zhang

    • Groove Quantum

  • Alice Cuzzocrea

    • Groove Quantum

  • Daniël Bouman

    • Groove Quantum

  • Davide Girardi

    • Groove Quantum

  • Lucas Stehouwer

    • Delft University of Technology
    • Groove Quantum
    • TU Delft QuTech

  • Giordano Scappucci

    • Delft University of Technology
    • TU Delft QuTech

  • Anne-Marije Jeanette Zwerver

    • Groove Quantum

  • Nico W Hendrickx

    • Groove Quantum

  View abstract →

• Readout and energy dispersion of a germanium hole quantum dot hybrid qubit

  ORAL

  March 19, 2026, 4:54 PM – March 19, 2026, 5:06 PM

  Presenters

  • Cate E Sturner

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

  Authors

  • Cate E Sturner

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

  • Jared Benson

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

  • Alysa R Huffman

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

  • Sanghyeok Park

    • University of Wisconsin - Madison

  • Avani Vivrekar

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

  • Brighton Xander Coe

    • University of Wisconsin - Madison

  • Tyler J Kovach

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

  • Gabriel J Bernhardt

    • 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

  • Mark A Eriksson

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

  View abstract →

• Electrostatic modulation of orbital energy splittings in a Ge/SiGe double quantum dot

  ORAL

  March 19, 2026, 5:06 PM – March 19, 2026, 5:18 PM

  Presenters

  • Jared Benson

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

  Authors

  • Jared Benson

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

  • Cate E Sturner

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

  • Alysa R Huffman

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

  • Sanghyeok Park

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

  • Avani Vivrekar

    • University of Wisconsin - Madison

  • Brighton Xander Coe

    • University of Wisconsin - Madison

  • Tyler J Kovach

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

  • Gabriel J Bernhardt

    • 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

  • Mark A Eriksson

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

  View abstract →

• Fast readout at optimal point of a hopping Ge-hole spin qubit via dynamical longitudinal coupling to a superconducting resonator

  ORAL

  March 19, 2026, 5:18 PM – March 19, 2026, 5:30 PM

  Presenters

  • Rusko Ruskov

    • Laboratory for Physical Sciences & UMD Physics

  Authors

  • Rusko Ruskov

    • Laboratory for Physical Sciences & UMD Physics

  • Charles Tahan

    • University of Maryland

  View abstract →

• Holonomic quantum computing with single-electron spin qubits at zero magnetic field

  ORAL

  March 19, 2026, 5:30 PM – March 19, 2026, 5:42 PM

  Publication: B. Kolok, A. Palyi, Protocols to measure the non-Abelian Berry phase by pumping a spin qubit through a quantum-dot loop, Physical Review B 109, 045438 (2024), https://doi.org/10.1103/PhysRevB.109.045438

  Presenters

  • Andras Palyi

    • Budapest University of Technology and Economics

  Authors

  • Andras Palyi

    • Budapest University of Technology and Economics

  • Baksa Kolok

    • Budapest University of Technology and Economics

  • Csongor Hunyady

    • Budapest University of Technology and Economics

  View abstract →

• Quantum State Transfer in Germanium Hole Spin Qubits

  ORAL

  March 19, 2026, 5:42 PM – March 19, 2026, 5:54 PM

  Publication: Manuscript in preparation

  Presenters

  • MADHUMITA SARKAR

    • University College London

  Authors

  • MADHUMITA SARKAR

    • University College London

  • Roopayan Ghosh

    • IIT Bhubaneswar

  • Sougato Bose

    • University College London

  View abstract →