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 …

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 …

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

Many important phenomena in quantum devices are dynamic, meaning that they cannot be
studied using time-averaged measurements alone. Experiments that measure such transient …

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 …

Three key metrics for readout systems in quantum processors are measurement speed,
fidelity, and footprint. Fast high-fidelity readout enables midcircuit measurements, a …

Quantum computers have the potential to efficiently solve problems in logistics, drug and
material design, finance, and cybersecurity. However, millions of qubits will be necessary for …

We demonstrate rapid high-fidelity state preparation and measurement in exchange-only
Si/Si Ge triple-quantum-dot qubits. Fast measurement integration (980-ns) and initialization …

Electrostatically defined quantum dots in bilayer graphene offer a promising platform for spin
qubits with presumably long coherence times due to low spin-orbit coupling and low nuclear …