1.3k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Université Paris-SaclayFR309 papers
- University of GlasgowGB306 papers
- European Organization for Nuclear ResearchCH302 papers
- University of WarwickGB302 papers
- Centre National de la Recherche ScientifiqueFR300 papers
- Istituto Nazionale di Fisica Nucleare, Sezione di BolognaIT300 papers
- Heidelberg UniversityDE299 papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT299 papers
- University of CambridgeGB299 papers
- University of ManchesterGB299 papers
- Rutherford Appleton LaboratoryGB298 papers
- University of OxfordGB296 papers
27 papers · 2 filters
Generalized Toffoli gate decomposition using ququints: Towards realizing Grover's algorithm with qudits
Anastasiia S. Nikolaeva, Evgeniy O. Kiktenko, Aleksey K. Fedorov
Qubits, which are quantum counterparts of classical bits, are used as basic information units for quantum information processing, whereas underlying physical information carriers,…
Asymmetric adaptive LDPC-based information reconciliation for industrial quantum key distribution
Nikolay Borisov, Ivan Petrov, Andrey Tayduganov
We develop a new approach for asymmetric LDPC-based information reconciliation in order to adapt to the current channel state and achieve better performance and scalability in prac…
Laser and Diffusion Driven Optimal Discrimination of Similar Quantum Systems in Resonator
K. A. Lyakhov, A. N. Pechen
A method for solving the problem of efficient population transfer from the ground to some excited state by available technical means (varying resonator length) is proposed. We cons…
Optimal control for state preparation in two-qubit open quantum systems driven by coherent and incoherent controls via GRAPE approach
Vadim Petruhanov, Alexander Pechen
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-Sudarshan-…
Controlling quantum many-body systems using reduced-order modelling
I. A. Luchnikov, M. A. Gavreev, A. K. Fedorov
Quantum many-body control is among most challenging problems in quantum science, due to computational complexity of related underlying problems. We propose an efficient approach fo…
Exploring postselection-induced quantum phenomena with time-bidirectional state formalism
Evgeniy O. Kiktenko
Here we present the time-bidirectional state formalism (TBSF) unifying in a general manner the standard quantum mechanical formalism with no postselection and the time-symmetrized…
Optimal microwave control pulse for nuclear spin polarization and readout in dense nitrogen-vacancy ensembles in diamond
V. V. Soshenko, I. S. Cojocaru, S. V. Bolshedvorskii +4
Nitrogen-vacancy centers possessing nuclear spins are promising candidates for a novel nuclear spin gyroscope. Preparation of a nuclear spin state is a crucial step to implement a…
Overcoming photon blockade in circuit QED single-atom maser with engineered metastability and strong coupling
A. A. Sokolova, D. A. Kalacheva, G. P. Fedorov +1
Reaching high cavity population with a coherent pump in the strong-coupling regime of a single-atom laser is impossible due to the photon blockade effect. In this work, we experime…
"Bound luminosity" state in the extended Dicke model
Seidov S. S., Mukhin S.
The extended Dicke model describes interaction of the single--mode electromagnetic resonator with an ensemble of interacting two--level systems. In this paper we obtain quasiclassi…
Phase randomness in a semiconductor laser: Issue of quantum random-number generation
Roman Shakhovoy, Marius Puplauskis, Violetta Sharoglazova +10
Gain-switched lasers are in demand in numerous quantum applications, particularly, in systems of quantum key distribution and in various optical quantum random number generators. T…
Suppressing decoherence in quantum state transfer with unitary operations
Maxim A. Gavreev, Evgeniy O. Kiktenko, Alena S. Mastiukova +1
Decoherence is the fundamental obstacle limiting the performance of quantum information processing devices. The problem of transmitting a quantum state (known or unknown) from one…
Reconstructing complex states of a 20-qubit quantum simulator
Murali K. Kurmapu, V. V. Tiunova, E. S. Tiunov +6
A prerequisite to the successful development of quantum computers and simulators is precise understanding of physical processes occurring therein, which can be achieved by measurin…
Realizing a class of stabilizer quantum error correction codes using a single ancilla and circular connectivity
A. V. Antipov, E. O. Kiktenko, A. K. Fedorov
We describe a class of "neighboring-blocks" stabilizer quantum error correction codes and demonstrate that such class of codes can be implemented in a resource-efficient manner usi…
Integrable Floquet systems related to logarithmic conformal field theory
Vsevolod I. Yashin, Denis V. Kurlov, Aleksey K. Fedorov +1
We study an integrable Floquet quantum system related to lattice statistical systems in the universality class of dense polymers. These systems are described by a particular non-un…
Driven-dissipative time crystalline phases in a two-mode bosonic system with Kerr nonlinearity
L. R. Bakker, M. S. Bahovadinov, D. V. Kurlov +3
For the driven-dissipative system of two coupled bosonic modes in a nonlinear cavity resonator, we demonstrate a sequence of phase transitions from a trivial steady state to two di…
Characterisation of state-preparation uncertainty in quantum key distribution
Anqi Huang, Akihiro Mizutani, Hoi-Kwong Lo +2
To achieve secure quantum key distribution, all imperfections in the source unit must be incorporated in a security proof and measured in the lab. Here we perform a proof-of-princi…
Continuous monitoring for noisy intermediate-scale quantum processors
Y. F. Zolotarev, I. A. Luchnikov, J. A. López-Saldívar +2
We present a continuous monitoring system for intermediate-scale quantum processors that allows extracting estimates of noisy native gate and read-out measurements based on the set…
On optimization of coherent and incoherent controls for two-level quantum systems
Oleg V. Morzhin, Alexander N. Pechen
This article considers some control problems for closed and open two-level quantum systems. The closed system's dynamics is governed by the Schrödinger equation with coherent contr…
Efficient variational synthesis of quantum circuits with coherent multi-start optimization
Nikita A. Nemkov, Evgeniy O. Kiktenko, Ilia A. Luchnikov +1
We consider the problem of the variational quantum circuit synthesis into a gate set consisting of the CNOT gate and arbitrary single-qubit (1q) gates with the primary target being…
On the detailed structure of quantum control landscape for fast single qubit phase-shift gate generation
Boris Volkov, Alexander Pechen
In this work, we study the detailed structure of quantum control landscape for the problem of single-qubit phase shift gate generation on the fast time scale. In previous works, th…
High fidelity two-qubit gates on fluxoniums using a tunable coupler
Ilya N. Moskalenko, Ilya A. Simakov, Nikolay N. Abramov +7
Superconducting fluxonium qubits provide a promising alternative to transmons on the path toward large-scale superconductor-based quantum computing due to their better coherence an…
Multiclass classification using quantum convolutional neural networks with hybrid quantum-classical learning
Denis Bokhan, Alena S. Mastiukova, Aleksey S. Boev +2
Multiclass classification is of great interest for various applications, for example, it is a common task in computer vision, where one needs to categorize an image into three or m…
Improving the performance of fermionic neural networks with the Slater exponential Ansatz
Denis Bokhan, Aleksey S. Boev, Aleksey K. Fedorov +1
In this work, we propose a technique for the use of fermionic neural networks (FermiNets) with the Slater exponential Ansatz for electron-nuclear and electron-electron distances, w…
Fractal states of the Schwinger model
E. V. Petrova, E. S. Tiunov, M. C. Bañuls +1
The lattice Schwinger model (SM), the discrete version of QED in 1+1 dimensions, is a well-studied test bench for lattice gauge theories. Here we study the fractal properties of th…