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 …
rapid pace. We first review the main potential advantages of these hole-spin qubits with …
Universal control of four singlet–triplet qubits
X Zhang, E Morozova, M Rimbach-Russ… - Nature …, 2024 - nature.com
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 …
for quantum information processing and for studying quantum magnetism from the bottom …
Sweet-spot operation of a germanium hole spin qubit with highly anisotropic noise sensitivity
Spin qubits defined by valence band hole states are attractive for quantum information
processing due to their inherent coupling to electric fields, enabling fast and scalable qubit …
processing due to their inherent coupling to electric fields, enabling fast and scalable qubit …
Nanoscale mapping of the 3D strain tensor in a germanium quantum well hosting a functional spin qubit device
C Corley-Wiciak, C Richter, MH Zoellner… - … applied materials & …, 2023 - ACS Publications
A strained Ge quantum well, grown on a SiGe/Si virtual substrate and hosting two
electrostatically defined hole spin qubits, is nondestructively investigated by synchrotron …
electrostatically defined hole spin qubits, is nondestructively investigated by synchrotron …
Fully tunable longitudinal spin-photon interactions in Si and Ge quantum dots
Spin qubits in silicon and germanium quantum dots are promising platforms for quantum
computing, but entangling spin qubits over micrometer distances remains a critical …
computing, but entangling spin qubits over micrometer distances remains a critical …
Hard superconducting gap in germanium
The co-integration of spin, superconducting, and topological systems is emerging as an
exciting pathway for scalable and high-fidelity quantum information technology. High …
exciting pathway for scalable and high-fidelity quantum information technology. High …
Electrical operation of planar Ge hole spin qubits in an in-plane magnetic field
Hole spin qubits in group-IV semiconductors, especially Ge and Si, are actively investigated
as platforms for ultrafast electrical spin manipulation thanks to their strong spin-orbit …
as platforms for ultrafast electrical spin manipulation thanks to their strong spin-orbit …
Undoped strained Ge quantum well with ultrahigh mobility of two million
Z Kong, Z Li, G Cao, J Su, Y Zhang, J Liu… - … Applied Materials & …, 2023 - ACS Publications
We develop a method to fabricate an undoped Ge quantum well (QW) under a 32 nm
relaxed Si0. 2Ge0. 8 shallow barrier. The bottom barrier contains Si0. 2Ge0. 8 (650° C) and …
relaxed Si0. 2Ge0. 8 shallow barrier. The bottom barrier contains Si0. 2Ge0. 8 (650° C) and …
Modeling of planar germanium hole qubits in electric and magnetic fields
CA Wang, HE Ercan, MF Gyure, G Scappucci… - NPJ Quantum …, 2024 - nature.com
Hole-based spin qubits in strained planar germanium quantum wells have received
considerable attention due to their favorable properties and remarkable experimental …
considerable attention due to their favorable properties and remarkable experimental …
Holes outperform electrons in group IV semiconductor materials
A record‐high mobility of holes, reaching 4.3× 106 cm2 V− 1 s− 1 at 300 mK in an epitaxial
strained germanium (s‐Ge) semiconductor, grown on a standard silicon wafer, is reported …
strained germanium (s‐Ge) semiconductor, grown on a standard silicon wafer, is reported …