10.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR2.4k papers
- Institute for Theoretical and Experimental PhysicsRU2.3k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR2.2k papers
- Joint Institute for Nuclear ResearchRU2.2k papers
- Institute for High Energy PhysicsES2.1k papers
- European Organization for Nuclear ResearchCH2.1k papers
- Rutherford Appleton LaboratoryGB2.1k papers
- Charles UniversityCZ2k papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT2k papers
- Petersburg Nuclear Physics InstituteRU2k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT2k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di NapoliIT2k papers
347 papers · 1 filter
Influence of fast and slow laser phase noise on the fidelity of the Mølmer-Sørensen trapped-ion gate
Nikita Semenin, Ksenia Khabarova, Nikolay Kolachevsky
High-fidelity two-qubit entangling gates are essential for the realization of useful quantum algorithms on quantum processors. The Mølmer-Sørensen (MS) gate has become a common cho…
Implementation of two-qubit Rydberg operations on neutral Rb-87 atoms in systems with different intermediate states
I. V. Iukhnovets, O. V. Bychkova, I. B. Bobrov +4
This work presents an experimental setup for implementing two-qubit operations on neutral atoms (Rb) with the possibility of using two different Rydberg excitation schemes.…
Addressable Rydberg excitation in arrays of single neutral atoms with a strongly focused flat-top beam
I. V. Iukhnovets, M. Y. Goloshchapov, A. P. Gordeev +4
We present a method for generating a laser beam with flat intensity and phase profiles in the focal region where the beam interacts with neutral Rb atoms in an array of opti…
Vertical ion transport in a surface Paul trap: escalator and elevator approaches
Alexey Russkikh, Nikita Zhadnov
Surface ion traps confining and manipulating tens of ion qubits have become the leading platform for quantum processors with high quantum volume. These devices employ the Quantum C…
Analysis of the action of conventional trapped-ion entangling gates in qudit space
Pavel Kamenskikh, Nikita Semenin, Ilia Zalivako +4
Qudits, or multi-level quantum information carriers, present a promising path for scaling quantum computers. However, their use introduces increased complexity in quantum logic, ne…
Dispersive readout with two orthogonal modes of a dielectric cavity
A. M. Kozodaev, I. S. Cojocaru, S. M. Drofa +8
Nitrogen-vacancy color centers in diamond have proven themselves as a good, sensitive element for the measurement of magnetic fields. While the mainstream of magnetometers based on…
Double electron resonance with two ensembles of nitrogen-vacancy centers in diamond
A. Chernyavskiy, I. S. Cojocaru, S. M. Drofa +8
Nitrogen-vacancy (NV) centers in diamond are widely used in the development of a number of sensors. The sensitivity of these devices is limited by both the number of centers used a…
Analog Circuit-QED Simulator of Quantum Spin Dynamics Through the Extended Bose-Hubbard Model
Ivan V. Dudinets, Jaehee Kim, Tomás Ramos +3
We propose and validate a framework for analog simulation of the Heisenberg spin model using a circuit quantum electrodynamics (circuit-QED) platform. To this end, we develop a con…
Coherent states of an accelerated particle
A. I. Breev, D. M. Gitman, Paulo A. Derolle
We construct generalized coherent states (GCS) of a massive accelerated particle. This example is an important step in studying coherent states (CS) for systems with an unbounded m…
Experimental factoring integers using fixed-point-QAOA with a trapped-ion quantum processor
Ilia V. Zalivako, Andrey Yu. Chernyavskiy, Anastasiia S. Nikolaeva +10
Factoring integers is considered as a computationally-hard problem for classical methods, whereas there exists polynomial-time Shor's quantum algorithm for solving this task. Howev…
Enhanced response at exceptional points in multi-qubit systems for sensing
Tingting Shi, Vasilii Smirnov, Kaiye Shi +1
Exceptional points featuring enhanced energy response to perturbation hold significant potential in detection and measurement of weak signals. Of particular interest is the existen…
Increased output of superradiant light-emitting diodes due to population fluctuations
Igor E. Protsenko, Alexander V. Uskov
The quantum nonlinear Maxwell-Bloch equations for a single-mode laser with a two-level active medium are solved in the LED regime without adiabatic elimination of the medium polari…
Sub-Poissonian Light in a Waveguide Kerr-medium
R. Singh, A. E. Teretenkov, A. V. Masalov
Waveguides on a chip represent a new medium for implementing nonlinear optical transformations of light. Modern chip waveguides are attractive due to their…
Bichromatic microwave manipulation of the NV center nuclear spin using transition not detectable via optically detected magnetic resonance
S. M. Drofa, V. V. Soshenko, I. S. Cojocaru +10
Recently, rotation sensors utilizing the nuclear spins of nitrogen-vacancy color centers in diamond have been demonstrated. However, these devices are power-intensive and challengi…
Optimized surface ion trap design for tight confinement and separation of ion chains
Ilya Gerasin, Nikita Zhadnov, Konstantin Kudeyarov +3
Qubit systems based on trapped ultracold ions win one of the leading positions in the quantum computing field, demonstrating quantum algorithms with the highest complexity to date.…
Scalable improvement of the generalized Toffoli gate realization using trapped-ion-based qutrits
Anastasiia S. Nikolaeva, Ilia V. Zalivako, Alexander S. Borisenko +8
An efficient implementation of the Toffoli gate is of conceptual importance for running various quantum algorithms, including Grover's search and Shor's integer factorization. Howe…
Entangled Probability Distributions for Center-of-Mass Tomography
Ivan V. Dudinets, Margarita A. Man'ko, Vladimir I. Man'ko
We review the formalism of center-of-mass tomograms that allows us to describe quantum states in terms of probability distribution functions. We introduce the concept of separable…
Supervised binary classification of small-scale digit images and weighted graphs with a trapped-ion quantum processor
Ilia V. Zalivako, Alexander I. Gircha, Evgeniy O. Kiktenko +14
Here we present the results of benchmarking a quantum processor based on trapped Yb ions by performing basic quantum machine learning algorithms. Using a quantum-enha…
Computable and noncomputable in the quantum domain: statements and conjectures
Aleksey K. Fedorov, Evgeniy O. Kiktenko, Nikolay N. Kolachevsky
Significant advances in the development of computing devices based on quantum effects and the demonstration of their use to solve various problems have rekindled interest in the na…
Towards multiqudit quantum processor based on a Yb ion string: Realizing basic quantum algorithms
Ilia V. Zalivako, Anastasiia S. Nikolaeva, Alexander S. Borisenko +12
We demonstrate a quantum processor based on a 3D linear Paul trap that uses Yb ions with 8 individually controllable four-level qudits (ququarts), which is computatio…
Population fluctuation mechanism of the super-thermal photon statistic of LEDs with collective effects
Igor E. Protsenko, Alexander V. Uskov
We found that fluctuations in the number of emitters lead to a super-thermal photon statistics of small LEDs in a linear regime, with a strong emitter-field coupling and a bad cavi…
Inspiration from machine learning on example of optimization of the Bose-Einstein condensate of thulium atoms in a 1064-nm trap
D. A. Kumpilov, D. A. Pershin, I. S. Cojocaru +10
The number of atoms in Bose-Einstein condensate determines the scale of experiments that can be performed, making it crucial for quantum simulations. Optimization of the number of…
Interaction of Nitrogen-Vacancy Centers in Diamond with a Dense Ensemble of Carbon-13
O. R. Rubinas, V. V. Soshenko, I. S. Cojocaru +9
The nitrogen-vacancy center in diamond attracts a lot of attention in sensing applications, mainly for temperature, magnetic field, and rotation measurements. Nuclear spins of carb…
Demonstration of a parity-time symmetry breaking phase transition using superconducting and trapped-ion qutrits
Alena S. Kazmina, Ilia V. Zalivako, Alexander S. Borisenko +21
Scalable quantum computers hold the promise to solve hard computational problems, such as prime factorization, combinatorial optimization, simulation of many-body physics, and quan…