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 …

High-fidelity control of quantum bits is paramount for the reliable execution of quantum
algorithms and for achieving fault tolerance—the ability to correct errors faster than they …

Fault-tolerant quantum computers that can solve hard problems rely on quantum error
correction. One of the most promising error correction codes is the surface code, which …

Silicon spin qubits satisfy the necessary criteria for quantum information processing.
However, a demonstration of high-fidelity state preparation and readout combined with high …

Defects with associated electron and nuclear spins in solid-state materials have a long
history relevant to quantum information science that goes back to the first spin echo …

The future development of quantum technologies relies on creating and manipulating
quantum systems of increasing complexity, with key applications in computation, simulation …

Molecular spins are promising building blocks of future quantum technologies thanks to the
unparalleled flexibility provided by chemistry, which allows the design of complex structures …

Nuclear spins were among the first physical platforms to be considered for quantum
information processing,, because of their exceptional quantum coherence and atomic-scale …

Full-scale quantum computers require the integration of millions of qubits, and the potential
of using industrial semiconductor manufacturing to meet this need has driven the …