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 …

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 …

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 …

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 …

Building a fault-tolerant quantum computer will require vast numbers of physical qubits. For
qubit technologies based on solid-state electronic devices,–, integrating millions of qubits in …

The prospect of building quantum circuits, using advanced semiconductor manufacturing
makes quantum dots an attractive platform for quantum information processing,. Extensive …

The superconducting transmon qubit is a leading platform for quantum computing and
quantum science. Building large, useful quantum systems based on transmon qubits will …