The optimization landscape of hybrid quantum–classical algorithms: From quantum control to NISQ applications

X Ge, RB Wu, H Rabitz - Annual Reviews in Control, 2022 - Elsevier
This review investigates the landscapes of hybrid quantum–classical optimization algorithms
that are prevalent in many rapidly developing quantum technologies, where the objective …

Optimization landscape of quantum control systems

X Ge, R Wu, H Rabitz - Complex System Modeling and …, 2021 - ieeexplore.ieee.org
Optimization is ubiquitous in the control of quantum dynamics in atomic, molecular, and
optical systems. The ease or difficulty of finding control solutions, which is practically crucial …

End-to-end quantum machine learning implemented with controlled quantum dynamics

RB Wu, X Cao, P Xie, Y Liu - Physical Review Applied, 2020 - APS
To achieve quantum machine learning on imperfect noisy intermediate-scale quantum
(NISQ) processors, the entire physical implementation should include as few as possible …

Quantum control with quantum light of molecular nonadiabaticity

A Csehi, Á Vibók, GJ Halász, M Kowalewski - Physical Review A, 2019 - APS
Coherent control experiments in molecules are often done with shaped laser fields. The
electric field is described classically and control over the time evolution of the system is …

Common foundations of optimal control across the sciences: evidence of a free lunch

B Russell, H Rabitz - … Transactions of the Royal Society A …, 2017 - royalsocietypublishing.org
A common goal in the sciences is optimization of an objective function by selecting control
variables such that a desired outcome is achieved. This scenario can be expressed in terms …

Quantized fields for optimal control in the strong coupling regime

F Lindel, EG Carnio, SY Buhmann, A Buchleitner - Physical Review Letters, 2023 - APS
We tailor the quantum statistics of a bosonic field to deterministically drive a quantum system
into a target state. Experimentally accessible states of the field achieve good control of …

Information flow and error scaling for fully quantum control

S Gherardini, MM Müller, S Montangero, T Calarco… - Physical Review …, 2022 - APS
The optimally designed control of quantum systems is playing an increasingly important role
to engineer novel and more efficient quantum technologies. Here, in the scenario …