Recent advances in hole-spin qubits

Y Fang, P Philippopoulos, D Culcer… - Materials for …, 2023 - iopscience.iop.org
In recent years, hole-spin qubits based on semiconductor quantum dots have advanced at a
rapid pace. We first review the main potential advantages of these hole-spin qubits with …

Strong coupling between a photon and a hole spin in silicon

CX Yu, S Zihlmann, JC Abadillo-Uriel, VP Michal… - Nature …, 2023 - nature.com
Spins in semiconductor quantum dots constitute a promising platform for scalable quantum
information processing. Coupling them strongly to the photonic modes of superconducting …

Quantum computing on magnetic racetracks with flying domain wall qubits

J Zou, S Bosco, B Pal, SSP Parkin, J Klinovaja… - Physical Review …, 2023 - APS
Domain walls (DWs) on magnetic racetracks are at the core of the field of spintronics,
providing a basic element for classical information processing. Here, we show that mobile …

Linear-in-momentum spin orbit interactions in planar Ge/GeSi heterostructures and spin qubits

EA Rodríguez-Mena, JC Abadillo-Uriel, G Veste… - Physical Review B, 2023 - APS
We investigate the existence of linear-in-momentum spin orbit interactions in the valence
band of Ge/GeSi heterostructures using an atomistic tight-binding method. We show that …

Planar Josephson junctions in germanium: Effect of cubic spin-orbit interaction

M Luethi, K Laubscher, S Bosco, D Loss, J Klinovaja - Physical Review B, 2023 - APS
Planar Josephson junctions comprising semiconductors with strong spin-orbit interaction
(SOI) are promising platforms to host Majorana bound states (MBSs). Previous works on …

Coupling of a hole double quantum dot in planar germanium to a microwave cavity

Y Kang, ZH Li, ZZ Kong, FG Li, TY Hao, ZC Wei… - Physical Review …, 2024 - APS
In recent years, notable progress has been made in the study of hole qubits in planar
germanium, and circuit quantum electrodynamics (circuit QED) has emerged as a promising …

Phase-driving hole spin qubits

S Bosco, S Geyer, LC Camenzind, RS Eggli, A Fuhrer… - Physical Review Letters, 2023 - APS
The spin-orbit interaction in spin qubits enables spin-flip transitions, resulting in Rabi
oscillations when an external microwave field is resonant with the qubit frequency. Here, we …

Spatially correlated classical and quantum noise in driven qubits

J Zou, S Bosco, D Loss - npj Quantum Information, 2024 - nature.com
Correlated noise across multiple qubits poses a significant challenge for achieving scalable
and fault-tolerant quantum processors. Despite recent experimental efforts to quantify this …

Progress of Gate‐Defined Semiconductor Spin Qubit: Host Materials and Device Geometries

Y Liu, S Guan, JW Luo, SS Li - Advanced Functional Materials, 2024 - Wiley Online Library
Quantum computing offers the potential to revolutionize information processing by exploiting
the principles of quantum mechanics. Among the diverse quantum bit (qubit) technologies …

High-fidelity two-qubit gates of hybrid superconducting-semiconducting singlet-triplet qubits

M Spethmann, S Bosco, A Hofmann, J Klinovaja… - Physical Review B, 2024 - APS
Hybrid systems comprising superconducting and semiconducting materials are promising
architectures for quantum computing. Superconductors induce long-range interactions …