Quantum computers can exploit a Hilbert space whose dimension increases exponentially
with the number of qubits. In experiment, quantum supremacy has recently been achieved …

The future development of quantum technologies relies on creating and manipulating
quantum systems of increasing complexity, with key applications in computation, simulation …

We report new Gaussian boson sampling experiments with pseudo-photon-number-
resolving detection, which register up to 255 photon-click events. We consider partial photon …

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

We propose a simple scheme to reduce readout errors in experiments on quantum systems
with finite number of measurement outcomes. Our method relies on performing classical …

Quantum computing is a game-changing technology for global academia, research centers
and industries including computational science, mathematics, finance, pharmaceutical …

We use quantum detector tomography to characterize the qubit readout in terms of
measurement positive operator-valued measures (POVMs) on IBM quantum computers IBM …

Device-independent quantum key distribution (DIQKD) represents a relaxation of the
security assumptions made in usual quantum key distribution (QKD). As in usual QKD, the …

Quantum tomography is currently ubiquitous for testing any implementation of a quantum
information processing device. Various sophisticated procedures for state and process …

Integration of superconducting nanowire single-photon detectors with nanophotonic
waveguides is a key technological step that enables a broad range of classical and quantum …