[Th-A2-D] Physics of spin dynamics and control

11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[Th-A2-D-01] Mechanical Pathways to Spin Control: Strain-Driven SAW Coupling in Group-IV Hole Qubits

〇Yousef Karimi^1,2, Khaled Mnaymneh^1,2, Niall Tait², Maksym Myronov³, Sergei Studenikin¹ (1. National Research Council Canada (Canada), 2. Carleton University (Canada), 3. The University of Warwick (UK))

We demonstrate surface acoustic wave-induced strain coupling in non-piezoelectric germanium-on-silicon stack, enabling mechanical modulation of hole spin qubits in double quantum dots. This strain-dominated mechanism establishes a CMOS-compatible route for high-frequency, low noise phonon-qubit interaction in group-IV semiconductors.