The coherent control of interacting spins in semiconductor quantum dots is of strong interest
for quantum information processing and for studying quantum magnetism from the bottom …

Gate-tunable transmons (gatemons) employing semiconductor Josephson junctions have
recently emerged as building blocks for hybrid quantum circuits. In this study, we present a …

Holes in silicon quantum dots are promising for spin qubit applications due to the strong
intrinsic spin-orbit coupling. The spin-orbit coupling produces complex hole-spin dynamics …

Andreev (or superconducting) spin qubits (ASQs) have recently emerged as a promising
qubit platform that combines superconducting circuits with semiconductor spin degrees of …

The computational power and fault-tolerance of future large-scale quantum processors
derive in large part from the connectivity between the qubits. One approach to increase …

We demonstrate coherent control of a three-electron exchange-only spin qubit with the
quantum dots arranged in a close-packed triangular geometry. The device is tuned to …

Disorder in the heterogeneous material stack of semiconductor spin qubit systems
introduces noise that compromises quantum information processing, posing a challenge to …

The inhomogeneous magnetic stray field of micromagnets has been extensively used to
manipulate electron spin qubits. By means of micromagnetic simulations and scanning …

The scalability of spin-qubit devices is conditioned by qubit-to-qubit variability. Disorder in
the host materials indeed affects the wave functions of the confined carriers, which leads to …

The heavy holes in Ge/Ge-Si heterostructures show highly anisotropic gyromagnetic
response with in-plane g factors gx, y∗≲ 0.3 and out-of-plane g factor gz∗≳ 10. As a …