The ability to perform fast, high-fidelity entangling gates is a requirement for a viable
quantum processor. In practice, achieving fast gates often comes with the penalty of strong …

We propose to couple the flux degree of freedom of one mode with the charge degree of
freedom of a second mode in a hybrid superconducting-semiconducting architecture …

Properties of time-periodic Hamiltonians can be exploited to increase the dephasing time of
qubits and to design protected one-and two-qubit gates. Recently, Huang et al.[Phys. Rev …

The ability to engineer high-fidelity gates on quantum processors in the presence of
systematic errors remains the primary barrier to achieving quantum advantage. Quantum …

We develop general purpose algorithms for computing and utilizing both the Dyson series
and Magnus expansion, with the goal of facilitating numerical perturbative studies of …

We develop a time-dependent Schrieffer-Wolff-Lindblad perturbation theory to study
effective interactions for driven open quantum systems. The starting point of our analysis is a …

We discuss the realization of a universal set of ultrafast single-and two-qubit operations with
superconducting quantum circuits and investigate the most relevant physical and technical …

Accurate modeling of decoherence errors in quantum processors is crucial for analyzing and
improving gate fidelities. To increase the accuracy beyond that of the Lindblad dynamical …

Implementing fast and high-fidelity quantum operations using open-loop quantum optimal
control relies on having an accurate model of the quantum dynamics. Any deviations …

Effective noise models are essential for analyzing and understanding the dynamics of
quantum systems, particularly in applications like quantum error mitigation and correction …