The spin degree of freedom of an electron or a nucleus is one of the most basic properties of
nature and functions as an excellent qubit, as it provides a natural two-level system that is …

BACKGROUND The past two decades have seen intense efforts aimed at building quantum
computing hardware with the potential to solve problems that are intractable on classical …

Future quantum computers capable of solving relevant problems will require a large number
of qubits that can be operated reliably. However, the requirements of having a large qubit …

The prospect of building quantum circuits 1, 2 using advanced semiconductor manufacturing
makes quantum dots an attractive platform for quantum information processing 3, 4 …

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 …

In the effort to develop disruptive quantum technologies, germanium is emerging as a
versatile material to realize devices capable of encoding, processing and transmitting …

Quantum computation requires many qubits that can be coherently controlled and coupled
to each other. Qubits that are defined using lithographic techniques have been suggested to …

Abstract This Technical Review collects values of selected performance characteristics of
semiconductor spin qubits defined in electrically controlled nanostructures. The …

The most promising quantum algorithms require quantum processors that host millions of
quantum bits when targeting practical applications. A key challenge towards large-scale …

Long-ranged coherent qubit coupling is a missing function block for scaling up spin qubit
based quantum computing solutions. Spin-coherent conveyor-mode electron-shuttling could …