Realization of high-fidelity CZ gate based on a double-transmon coupler

R Li, K Kubo, Y Ho, Z Yan, Y Nakamura, H Goto - Physical Review X, 2024‏ - APS
Striving for higher gate fidelity is crucial not only for enhancing existing noisy intermediate-
scale quantum devices, but also for unleashing the potential of fault-tolerant quantum …

[PDF][PDF] Qiskit experiments: A python package to characterize and calibrate quantum computers

N Kanazawa, DJ Egger, Y Ben-Haim… - Journal of Open …, 2023‏ - joss.theoj.org
Summary Qiskit Experiments is a Python package for designing and running quantum
computing experiments with a focus on calibration and characterization of quantum devices …

A quantum-classical cloud platform optimized for variational hybrid algorithms

PJ Karalekas, NA Tezak, EC Peterson… - Quantum Science …, 2020‏ - iopscience.iop.org
In order to support near-term applications of quantum computing, a new compute paradigm
has emerged—the quantum-classical cloud—in which quantum computers (QPUs) work in …

Multipass quantum process tomography

SG Stanchev, NV Vitanov - Scientific Reports, 2024‏ - nature.com
We introduce a method to enhance the precision and accuracy of Quantum Process
Tomography (QPT) by mitigating the errors caused by state preparation and measurement …

Quantum state reconstruction in a noisy environment via deep learning

AR Morgillo, S Mangini, M Piastra… - Quantum Machine …, 2024‏ - Springer
Quantum noise is currently limiting efficient quantum information processing and
computation, impacting on the fidelity and reliability of quantum states. In this work, we …

Progress toward practical quantum cryptanalysis by variational quantum cloning

B Coyle, M Doosti, E Kashefi, N Kumar - Physical Review A, 2022‏ - APS
Cryptanalysis of quantum cryptographic systems generally involves finding optimal
adversarial attack strategies on the underlying protocols. The core principle of modeling …

Multipass Quantum Process Tomography: Precision and Accuracy Enhancement

SG Stanchev, NV Vitanov - arxiv preprint arxiv:2402.04128, 2024‏ - arxiv.org
We introduce a method to enhance the precision and accuracy of Quantum Process
Tomography (QPT) by mitigating the errors caused by state preparation and measurement …