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 …

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

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 …

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 …

We detect correlations in qubit-energy fluctuations of non-neighboring qubits defined in
isotopically purified Si/Si-Ge quantum dots. At low frequencies (where the noise is …

Spin qubits defined by valence band hole states are attractive for quantum information
processing due to their inherent coupling to electric fields, enabling fast and scalable qubit …

Bilayer graphene is a promising platform for electrically controllable qubits in a two-
dimensional material. Of particular interest is the ability to encode quantum information in …

Optimal control of qubits requires the ability to adapt continuously to their ever-changing
environment. We demonstrate a real-time control protocol for a two-electron singlet-triplet …

Micromagnet-based electric dipole spin resonance offers an attractive path for the near-term
scaling of dense arrays of silicon spin qubits in gate-defined quantum dots while maintaining …

Electron spins in silicon offer a competitive, scalable quantum‐computing platform with
excellent single‐qubit properties. However, the two‐qubit gate fidelities achieved so far have …