The germanium quantum information route

G Scappucci, C Kloeffel, FA Zwanenburg… - Nature Reviews …, 2021 - nature.com
In the effort to develop disruptive quantum technologies, germanium is emerging as a
versatile material to realize devices capable of encoding, processing and transmitting …

A four-qubit germanium quantum processor

NW Hendrickx, WIL Lawrie, M Russ, F van Riggelen… - Nature, 2021 - nature.com
The prospect of building quantum circuits 1, 2 using advanced semiconductor manufacturing
makes quantum dots an attractive platform for quantum information processing 3, 4 …

Shared control of a 16 semiconductor quantum dot crossbar array

F Borsoi, NW Hendrickx, V John, M Meyer… - Nature …, 2024 - nature.com
The efficient control of a large number of qubits is one of the most challenging aspects for
practical quantum computing. Current approaches in solid-state quantum technology are …

Operating semiconductor quantum processors with hop** spins

CA Wang, V John, H Tidjani, CX Yu, AS Ivlev, C Déprez… - Science, 2024 - science.org
Qubits that can be efficiently controlled are essential for the development of scalable
quantum hardware. Although resonant control is used to execute high-fidelity quantum …

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 …

Fast two-qubit logic with holes in germanium

NW Hendrickx, DP Franke, A Sammak, G Scappucci… - Nature, 2020 - nature.com
Universal quantum information processing requires the execution of single-qubit and two-
qubit logic. Across all qubit realizations, spin qubits in quantum dots have great promise to …

A singlet-triplet hole spin qubit in planar Ge

D Jirovec, A Hofmann, A Ballabio, PM Mutter… - Nature Materials, 2021 - nature.com
Spin qubits are considered to be among the most promising candidates for building a
quantum processor. Group IV hole spin qubits are particularly interesting owing to their ease …

Coherent spin qubit shuttling through germanium quantum dots

F van Riggelen-Doelman, CA Wang… - Nature …, 2024 - nature.com
Quantum links can interconnect qubit registers and are therefore essential in networked
quantum computing. Semiconductor quantum dot qubits have seen significant progress in …

A single-hole spin qubit

NW Hendrickx, WIL Lawrie, L Petit, A Sammak… - Nature …, 2020 - nature.com
Qubits based on quantum dots have excellent prospects for scalable quantum technology
due to their compatibility with standard semiconductor manufacturing. While early research …

Quantum dot arrays in silicon and germanium

WIL Lawrie, HGJ Eenink, NW Hendrickx… - Applied Physics …, 2020 - pubs.aip.org
Electrons and holes confined in quantum dots define excellent building blocks for quantum
emergence, simulation, and computation. Silicon and germanium are compatible with …