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 …

In the past decade, semiconducting qubits have made great strides in overcoming
decoherence, improving the prospects for scalability and have become one of the leading …

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 …

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

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 …

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

Now that it is possible to achieve measurement and control fidelities for individual quantum
bits (qubits) above the threshold for fault tolerance, attention is moving towards the difficult …

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 …

Single-qubit rotations and two-qubit CNOT operations are crucial ingredients for universal
quantum computing. Although high-fidelity single-qubit operations have been achieved …

Electron spin qubits formed by atoms in silicon have large (tens of millielectronvolts) orbital
energies and weak spin–orbit coupling, giving rise to isolated electron spin ground states …