Gate set tomography (GST) is a protocol for detailed, predictive characterization of logic
operations (gates) on quantum computing processors. Early versions of GST emerged …

Crosstalk is a leading source of failure in multiqubit quantum information processors. It can
arise from a wide range of disparate physical phenomena, and can introduce subtle …

Flexible characterization techniques that provide a detailed picture of the experimental
imperfections under realistic assumptions are crucial to gain actionable advice in the …

Several techniques have been recently introduced to mitigate errors in near-term quantum
computers without the overhead required by quantum error correcting codes. While most of …

Correctly characterizing state preparation and measurement (SPAM) processes is a
necessary step towards building reliable quantum processing units (QPUs). In this work, we …

We present a general denoising algorithm for performing $\textit {simultaneous tomography}
$ of quantum states and measurement noise. This algorithm allows us to fully characterize …

We develop a simulator for quantum computers composed of superconducting transmon
qubits. The simulation model supports an arbitrary number of transmons and resonators …

The error model of a quantum computer is essential for optimizing quantum algorithms to
minimize the impact of errors using quantum error correction or error mitigation. Noise with …

Quantum process tomography (QPT), used to estimate the linear map that best describes a
quantum operation, is usually performed using a priori assumptions about state preparation …

We present a general denoising algorithm for characterizing state preparation and
measurement (SPAM) errors. This algorithm works by constructing a set of canonical super …