4 papers
Cross-hatch strain effects on SiGe quantum dots for qubit variability estimation
Luis Fabián Peña, Mitchell I. Brickson, Fabrizio Rovaris +11
SiGe heterostructures integrated with Si via virtual substrate (VS) growth are promising hosts for spin qubits. While VS growth targets plastic relaxation, residual cross-hatch str…
Benchmarking low-power flopping-mode spin qubit fidelities in Si/SiGe devices with alloy disorder
Steve M. Young, Mitchell Brickson, Jason R. Petta +1
In the "flopping-mode" regime of electron spin resonance, a single electron confined in a double quantum dot is electrically driven in the presence of a magnetic field gradient. Th…
Using a high-fidelity numerical model to infer the shape of a few-hole Ge quantum dot
Mitchell Brickson, N. Tobias Jacobson, Andrew J. Miller +4
The magnetic properties of hole quantum dots in Ge are sensitive to their shape due to the interplay between strong spin-orbit coupling and confinement. We show that the split-off…
Weak anti-localization of two-dimensional holes in germanium beyond the diffusive regime
Chung-Tao Chou, Noah Tobias Jacobson, Jonathan Edward Moussa +5
Gate-controllable spin-orbit coupling is often one requisite for spintronic devices. For practical spin field-effect transistors, another essential requirement is ballistic spin tr…