The chopped random basis (CRAB) ansatz for quantum optimal control has been proven to
be a versatile tool to enable quantum technology applications such as quantum computing …

A qubit subjected to pure dephasing due to classical Gaussian noise can be turned into a
spectrometer of this noise by utilizing its readout under properly chosen dynamical …

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 …

Semiconductor qubits have a small footprint and so are appealing for building densely
integrated quantum processors. However, fabricating them at high densities raises the issue …

Nitrogen vacancy (NV) centers in diamond are atom-scale defects that can be used to sense
magnetic fields with high sensitivity and spatial resolution. Typically, the magnetic field is …

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 …

Noise that exhibits significant temporal and spatial correlations across multiple qubits can be
especially harmful to both fault-tolerant quantum computation and quantum-enhanced …

We introduce multipulse quantum noise spectroscopy protocols for spectral estimation of the
noise affecting multiple qubits coupled to Gaussian dephasing environments including both …

The goal of this article is to review the progress of three-electron spin qubits from their
inception to the state of the art. We direct the main focus towards the exchange-only qubit …

In many physical approaches to quantum computation, error-correction schemes assume
the ability to form two-dimensional qubit arrays with nearest-neighbor couplings and parallel …