Hybrid quantum-classical algorithms and quantum error mitigation
Quantum computers can exploit a Hilbert space whose dimension increases exponentially
with the number of qubits. In experiment, quantum supremacy has recently been achieved …
with the number of qubits. In experiment, quantum supremacy has recently been achieved …
Learning quantum systems
The future development of quantum technologies relies on creating and manipulating
quantum systems of increasing complexity, with key applications in computation, simulation …
quantum systems of increasing complexity, with key applications in computation, simulation …
Gaussian boson sampling with pseudo-photon-number-resolving detectors and quantum computational advantage
YH Deng, YC Gu, HL Liu, SQ Gong, H Su, ZJ Zhang… - Physical review …, 2023 - APS
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 …
resolving detection, which register up to 255 photon-click events. We consider partial photon …
[HTML][HTML] Gate set tomography
Gate set tomography (GST) is a protocol for detailed, predictive characterization of logic
operations (gates) on quantum computing processors. Early versions of GST emerged …
operations (gates) on quantum computing processors. Early versions of GST emerged …
[PDF][PDF] Mitigation of readout noise in near-term quantum devices by classical post-processing based on detector tomography
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 …
with finite number of measurement outcomes. Our method relies on performing classical …
Near-term quantum computing techniques: Variational quantum algorithms, error mitigation, circuit compilation, benchmarking and classical simulation
Quantum computing is a game-changing technology for global academia, research centers
and industries including computational science, mathematics, finance, pharmaceutical …
and industries including computational science, mathematics, finance, pharmaceutical …
Detector tomography on IBM quantum computers and mitigation of an imperfect measurement
We use quantum detector tomography to characterize the qubit readout in terms of
measurement positive operator-valued measures (POVMs) on IBM quantum computers IBM …
measurement positive operator-valued measures (POVMs) on IBM quantum computers IBM …
[HTML][HTML] Experimental neural network enhanced quantum tomography
AM Palmieri, E Kovlakov, F Bianchi, D Yudin… - npj Quantum …, 2020 - nature.com
Quantum tomography is currently ubiquitous for testing any implementation of a quantum
information processing device. Various sophisticated procedures for state and process …
information processing device. Various sophisticated procedures for state and process …
Device-independent quantum key distribution secure against collective attacks
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 …
security assumptions made in usual quantum key distribution (QKD). As in usual QKD, the …
[HTML][HTML] Waveguide-integrated superconducting nanowire single-photon detectors
Integration of superconducting nanowire single-photon detectors with nanophotonic
waveguides is a key technological step that enables a broad range of classical and quantum …
waveguides is a key technological step that enables a broad range of classical and quantum …