Quantum optimal control in quantum technologies. Strategic report on current status, visions and goals for research in Europe

CP Koch, U Boscain, T Calarco, G Dirr… - EPJ Quantum …, 2022 - epjqt.epj.org
Quantum optimal control, a toolbox for devising and implementing the shapes of external
fields that accomplish given tasks in the operation of a quantum device in the best way …

QuOCS: The quantum optimal control suite

M Rossignolo, T Reisser, A Marshall, P Rembold… - Computer Physics …, 2023 - Elsevier
Quantum optimal control includes a family of pulse-shaping algorithms that aim to unlock the
full potential of a variety of quantum technologies. The Quantum Optimal Control Suite …

Applications of model-aware reinforcement learning in Bayesian quantum metrology

F Belliardo, F Zoratti, V Giovannetti - Physical Review A, 2024 - APS
An important practical problem in the field of quantum metrology and sensors is to find the
optimal sequences of controls for the quantum probe that realize optimal adaptive …

Model-aware reinforcement learning for high-performance Bayesian experimental design in quantum metrology

F Belliardo, F Zoratti, F Marquardt… - arXiv preprint arXiv …, 2023 - arxiv.org
Quantum sensors offer control flexibility during estimation by allowing manipulation by the
experimenter across various parameters. For each sensing platform, pinpointing the optimal …

Macroscopic hyperpolarization enhanced with quantum optimal control

A Marshall, T Reisser, P Rembold, C Müller… - Physical Review …, 2022 - APS
Hyperpolarization of nuclear spins enhances nuclear magnetic resonance signals, which
play a key role for imaging and spectroscopy in the natural and life sciences. This signal …

Online optimization for optical readout of a single electron spin in diamond

X Lin, J Fan, R Ye, M Zhou, Y Song, D Lu, N Xu - Frontiers of Physics, 2023 - Springer
The nitrogen-vacancy (NV) center in diamond has been developed as a promising platform
for quantum sensing, especially for magnetic field measurements in the nano-tesla range …

Information theoretical limits for quantum optimal control solutions: error scaling of noisy control channels

MM Müller, S Gherardini, T Calarco, S Montangero… - Scientific Reports, 2022 - nature.com
Accurate manipulations of an open quantum system require a deep knowledge of its
controllability properties and the information content of the implemented control fields. By …

Rapid transform optimization strategy for decoherence-protected quantum register in diamond

J Tian, H Liu, R Sailer, L Xiao, F Jelezko, RS Said - Physical Review A, 2024 - APS
Decoherence-protected spins associated with nitrogen-vacancy color centers in diamond
possess remarkably long coherence time, which makes them one of the most promising and …

Spin Squeezing Enhanced Quantum Magnetometry with Nitrogen-Vacancy Center Qutrits

L Gassab, ÖE Müstecaplıoğlu - arXiv preprint arXiv:2406.15324, 2024 - arxiv.org
We explore the utility of quantum spin squeezing in quantum magnetometry, focusing on
three-level (qutrit) Nitrogen-Vacancy (NV) centers within diamond, utilizing a standard …

The Role of Bases in Quantum Optimal Control

A Pagano, MM Müller, T Calarco, S Montangero… - arXiv preprint arXiv …, 2024 - arxiv.org
Quantum Optimal Control (QOC) supports the advance of quantum technologies by tackling
its problems at the pulse level: Numerical approaches iteratively work towards a given target …