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 …

Semiconductor quantum computation

X Zhang, HO Li, G Cao, M **ao, GC Guo… - National Science …, 2019 - academic.oup.com
Semiconductors, a significant type of material in the information era, are becoming more and
more powerful in the field of quantum information. In recent decades, semiconductor …

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 …

Parity-conserving Cooper-pair transport and ideal superconducting diode in planar germanium

M Valentini, O Sagi, L Baghumyan, T de Gijsel… - Nature …, 2024 - nature.com
Superconductor/semiconductor hybrid devices have attracted increasing interest in the past
years. Superconducting electronics aims to complement semiconductor technology, while …

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 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 …

A gate tunable transmon qubit in planar Ge

O Sagi, A Crippa, M Valentini, M Janik… - Nature …, 2024 - nature.com
Gate-tunable transmons (gatemons) employing semiconductor Josephson junctions have
recently emerged as building blocks for hybrid quantum circuits. In this study, we present a …

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 …

Strong tunable coupling between two distant superconducting spin qubits

M Pita-Vidal, JJ Wesdorp, LJ Splitthoff, A Bargerbos… - Nature Physics, 2024 - nature.com
Andreev spin qubits have recently emerged as an alternative qubit platform with realizations
in semiconductor–superconductor hybrid nanowires. In these qubits, the spin degree of …