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 …

As quantum processors grow in complexity, attention is moving to the scaling prospects of
the entire quantum computing system, including the classical support hardware. Recent …

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 …

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

Quantum links can interconnect qubit registers and are therefore essential in networked
quantum computing. Semiconductor quantum dot qubits have seen significant progress in …

The connectivity within single carrier information-processing devices requires transport and
storage of single charge quanta. Single electrons have been adiabatically transported while …

Control of entanglement between qubits at distant quantum processors using a two-qubit
gate is an essential function of a scalable, modular implementation of quantum computation …

A fault-tolerant quantum processor may be configured using stationary qubits interacting
only with their nearest neighbours, but at the cost of significant overheads in physical qubits …

Small spin-qubit registers defined by single electrons confined in Si/SiGe quantum dots
operate successfully and connecting these would permit scalable quantum computation …

Silicon spin qubits stand out due to their very long coherence times, compatibility with
industrial fabrication, and prospect to integrate classical control electronics. To achieve a …