Krotov method for optimal control of closed quantum systems
OV Morzhin, AN Pechen - Russian Mathematical Surveys, 2019 - iopscience.iop.org
The mathematics of optimal control of quantum systems is of great interest in connection with
fundamental problems of physics as well as with existing and prospective applications to …
fundamental problems of physics as well as with existing and prospective applications to …
Krotov: A Python implementation of Krotov's method for quantum optimal control
M Goerz, D Basilewitsch, F Gago-Encinas, MG Krauss… - SciPost physics, 2019 - scipost.org
We present a new open-source Python package, krotov, implementing the quantum optimal
control method of that name. It allows to determine time-dependent external fields for a wide …
control method of that name. It allows to determine time-dependent external fields for a wide …
Charting the circuit QED design landscape using optimal control theory
With recent improvements in coherence times, superconducting transmon qubits have
become a promising platform for quantum computing. They can be flexibly engineered over …
become a promising platform for quantum computing. They can be flexibly engineered over …
Control landscapes for high-fidelity generation of C-NOT and C-PHASE gates with coherent and environmental driving
AN Pechen, VN Petruhanov, OV Morzhin… - The European Physical …, 2024 - Springer
High-fidelity generation of two-qubit gates is important for quantum computation, since such
gates are components of popular universal sets of gates. Here, we consider the problem of …
gates are components of popular universal sets of gates. Here, we consider the problem of …
Optimal control for state preparation in two-qubit open quantum systems driven by coherent and incoherent controls via GRAPE approach
VN Petruhanov, AN Pechen - International Journal of Modern …, 2022 - World Scientific
In this work, we consider a model of two qubits driven by coherent and incoherent time-
dependent controls. The dynamics of the system is governed by a Gorini–Kossakowski …
dependent controls. The dynamics of the system is governed by a Gorini–Kossakowski …
Maximization of the overlap between density matrices for a two-level open quantum system driven by coherent and incoherent controls
OV Morzhin, AN Pechen - Lobachevskii Journal of Mathematics, 2019 - Springer
The article considers a two-level open quantum system evolving under the action of
coherent and incoherent controls using the general control method proposed in Phys. Rev …
coherent and incoherent controls using the general control method proposed in Phys. Rev …
Krotov type optimization of coherent and incoherent controls for open two-qubit systems
O Morzhin, A Pechen - arXiv preprint arXiv:2308.06119, 2023 - arxiv.org
This work considers two-qubit open quantum systems driven by coherent and incoherent
controls. Incoherent control induces time-dependent decoherence rates via time-dependent …
controls. Incoherent control induces time-dependent decoherence rates via time-dependent …
Generation of C-NOT, SWAP, and CZ Gates for two qubits using coherent and incoherent controls and stochastic optimization
OV Morzhin, AN Pechen - Lobachevskii Journal of Mathematics, 2024 - Springer
In this work, we consider a general form of the dynamics of open quantum systems
determined by the Gorini–Kossakowsky–Sudarchhan–Lindblad type master equation with …
determined by the Gorini–Kossakowsky–Sudarchhan–Lindblad type master equation with …
A Modified Deep Q-Learning Algorithm for Optimal and Robust Quantum Gate Design of a Single Qubit System
Precise and resilient quantum gate design is important for the building of quantum devices.
In this paper, we consider the optimal and robust quantum gate design problem for three …
In this paper, we consider the optimal and robust quantum gate design problem for three …
Optimal Control of Quantum Information Tasks in Open Quantum Systems
D Basilewitsch - 2020 - kobra.uni-kassel.de
Every quantum system inevitably interacts with its environment. This is a fundamental
requirement that allows us to control, measure and, in general, interact with quantum …
requirement that allows us to control, measure and, in general, interact with quantum …