GRAPE optimization for open quantum systems with time-dependent decoherence rates driven by coherent and incoherent controls

VN Petruhanov, AN Pechen - Journal of Physics A: Mathematical …, 2023 - iopscience.iop.org
Abstract The GRadient Ascent Pulse Engineering (GRAPE) method is widely used for
optimization in quantum control. GRAPE is gradient search method based on exact …

Optimal state manipulation for a two-qubit system driven by coherent and incoherent controls

OV Morzhin, AN Pechen - Quantum Information Processing, 2023 - Springer
Optimal control of two-qubit quantum systems attracts high interest due to applications
ranging from two-qubit gate generation to optimization of receiver for transferring coherence …

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 …

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 …

Quantum Control Landscapes for Generation of H and T Gates in an Open Qubit with Both Coherent and Environmental Drive

VN Petruhanov, AN Pechen - Photonics, 2023 - mdpi.com
An important problem in quantum computation is the generation of single-qubit quantum
gates such as Hadamard (H) and π/8 (T) gates, which are components of a universal set of …

Silent white light: Reduction of the second-order intensity correlation coefficient

KN Hansmann, F Dommermuth, W Elsäßer… - Physical Review …, 2024 - APS
We investigate the intrawaveguide statistics manipulation of broadband light by combining
semiconductor quantum dot physics with quantum optics. By cooling a quantum dot …

Control of the von Neumann entropy for an open two-qubit system using coherent and incoherent drives

OV Morzhin, AN Pechen - Entropy, 2023 - mdpi.com
This article is devoted to developing an approach for manipulating the von Neumann
entropy S (ρ (t)) of an open two-qubit system with coherent control and incoherent control …

[PDF][PDF] Quantum Control Landscapes for Generation of H and T Gates in an Open Qubit with Both Coherent and Environmental Drive. Photonics 2023, 10, 1200

VN Petruhanov, AN Pechen - 2023 - inspirehep.net
An important problem in quantum computation is the generation of single-qubit quantum
gates such as Hadamard (H) and π/8 (T) gates, which are components of a universal set of …