2.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- National University of Science and TechnologyRU181 papers
- Moscow Institute of Physics and TechnologyRU162 papers
- Lomonosov Moscow State UniversityRU153 papers
- P.N. Lebedev Physical Institute of the Russian Academy of SciencesRU98 papers
- Centre National de la Recherche ScientifiqueFR78 papers
- Russian Academy of SciencesRU70 papers
- Karlsruhe Institute of TechnologyDE67 papers
- Steklov Mathematical InstituteRU52 papers
- Skolkovo Institute of Science and TechnologyRU51 papers
- National Research University Higher School of EconomicsRU50 papers
- University of AmsterdamNL48 papers
- Université Paris-SaclayFR36 papers
25 papers · 2 filters
Quantum limits for stationary force sensing
Farid Ya. Khalili, Emil Zeuthen
State-of-the-art sensors of force, motion and magnetic fields have reached the sensitivity where the quantum noise of the meter is significant or even dominant. In particular, the…
Photon transport in a Bose-Hubbard chain of superconducting artificial atoms
G. P. Fedorov, S. V. Remizov, D. S. Shapiro +8
We demonstrate non-equilibrium steady-state photon transport through a chain of five coupled artificial atoms simulating the driven-dissipative Bose-Hubbard model. Using transmissi…
Quantum Sensors for Microscopic Tunneling Systems
Alexander Bilmes, Serhii Volosheniuk, Jan D. Brehm +2
The anomalous low-temperature properties of glasses arise from intrinsic excitable entities, so-called tunneling Two-Level-Systems (TLS), whose microscopic nature has been baffling…
Minimizing the discrimination time for quantum states of an artificial atom
Ivan Takmakov, Patrick Winkel, Farshad Foroughi +9
Fast discrimination between quantum states of superconducting artificial atoms is an important ingredient for quantum information processing. In circuit quantum electrodynamics, in…
Direct phase modulation via optical injection: theoretical study
Roman Shakhovoy, Marius Puplauskis, Violetta Sharoglazova +4
Direct phase modulation via optical injection is a newly developed method for coding the phase of a gain-switched laser, which meets high requirements placed on transmitters for qu…
QGOpt: Riemannian optimization for quantum technologies
I. A. Luchnikov, A. Ryzhov, S. N. Filippov +1
Many theoretical problems in quantum technology can be formulated and addressed as constrained optimization problems. The most common quantum mechanical constraints such as, e.g.,…
Single-atom maser with engineered circuit for population inversion
A. A. Sokolova, G. P. Fedorov, E. V. Il'ichev +1
We present a blueprint for a maser with a single three-level transmon superconducting artificial atom. The system can be pumped coherently via a two-photon process, and to achieve…
Quantum non-demolition dispersive readout of a superconducting artificial atom using large photon numbers
Daria Gusenkova, Martin Spiecker, Richard Gebauer +13
Reading out the state of superconducting artificial atoms typically relies on dispersive coupling to a readout resonator. For a given system noise temperature, increasing the circu…
Blind information reconciliation with polar codes for quantum key distribution
E. O. Kiktenko, A. O. Malyshev, A. K. Fedorov
We suggest a new protocol for the information reconciliation stage of quantum key distribution based on polar codes. The suggested approach is based on the blind technique, which i…
A low-noise single-photon detector for long-distance free-space quantum communication
Elena Anisimova, Dmitri Nikulov, Simeng Simone Hu +5
We build and test a single-photon detector based on a Si avalanche photodiode Excelitas 30902SH thermoelectrically cooled to -100 deg. C. Our detector has dark count rate below 1 H…
Lie-algebraic approach to one-dimensional translationally invariant free-fermionic dissipative systems
L. R. Bakker, V. I. Yashin, D. V. Kurlov +2
We study dissipative translationally invariant free-fermionic theories with quadratic Liouvillians. Using a Lie-algebraic approach, we solve the Lindblad equation and find the dens…
Riemannian geometry and automatic differentiation for optimization problems of quantum physics and quantum technologies
Ilia A. Luchnikov, Mikhail E. Krechetov, Sergey N. Filippov
Optimization with constraints is a typical problem in quantum physics and quantum information science that becomes especially challenging for high-dimensional systems and complex a…
Demonstration of an All-Microwave Controlled-Phase Gate between Far Detuned Qubits
S. Krinner, P. Kurpiers, B. Royer +6
A challenge in building large-scale superconducting quantum processors is to find the right balance between coherence, qubit addressability, qubit-qubit coupling strength, circuit…
Coherent superconducting qubits from a subtractive junction fabrication process
Alexander Stehli, Jan David Brehm, Tim Wolz +6
Josephson tunnel junctions are the centerpiece of almost any superconducting electronic circuit, including qubits. Typically, the junctions for qubits are fabricated using shadow e…
Minimal informationally complete measurements for probability representation of quantum dynamics
V. I. Yashin, E. O. Kiktenko, A. S. Mastiukova +1
In the present work, we suggest an approach for describing dynamics of finite-dimensional quantum systems in terms of pseudostochastic maps acting on probability distributions, whi…
Waveguide Bandgap Engineering with an Array of Superconducting Qubits
Jan David Brehm, Alexander N. Poddubny, Alexander Stehli +3
Waveguide quantum electrodynamics offers a wide range of possibilities to effectively engineer interactions between artificial atoms via a one-dimensional open waveguide. While the…
Overcoming detection loss and noise in squeezing-based optical sensing
Gaetano Frascella, Sascha Agne, Farid Ya. Khalili +1
Among the known resources of quantum metrology, one of the most practical and efficient is squeezing. Squeezed states of atoms and light improve the sensing of the phase, magnetic…
Quantum interface between light and a one-dimensional atomic system
Viacheslav A. Pivovarov, Alexandra S. Sheremet, Leonid V. Gerasimov +2
We investigate optimal conditions for the quantum interface between a signal photon pulse and one-dimensional chain consisting of a varied number of atoms. The tested object is phy…
Tuning photon statistics with coherent fields
Eduardo Zubizarreta Casalengua, Juan Camilo López Carreño, Fabrice P. Laussy +1
Photon correlations, as measured by Glauber's -th order coherence functions , are highly sought to be minimized and/or maximized. In systems that are coherently driven,…
Genome assembly using quantum and quantum-inspired annealing
A. S. Boev, A. S. Rakitko, S. R. Usmanov +5
Recent advances in DNA sequencing open prospects to make whole-genome analysis rapid and reliable, which is promising for various applications including personalized medicine. Howe…
Independent quality assessment of a commercial quantum random number generator
Mikhail Petrov, Igor Radchenko, Damian Steiger +3
We reverse-engineer, test and analyse hardware and firmware of the commercial quantum-optical random number generator Quantis from ID Quantique. We show that > 99% of its output da…
Probability representation of photon states and tomography
Vladimir N. Chernega, Olga V. Man'ko, Vladimir I. Man'ko
We give a review of the tomographic probability representation of quantum mechanics. We present the formalism of quantum states and quantum observables using the formalism of stand…
Spectral Magnetization Ratchets with Discrete Time Quantum Walks
A. Mallick, M. V. Fistul, P. Kaczynska +1
We predict and theoretically study in detail the ratchet effect for the spectral magnetization of periodic discrete time quantum walks (DTQWs) --- a repetition of a sequence of …
Quantum Algorithms for the Most Frequently String Search, Intersection of Two String Sequences and Sorting of Strings Problems
Kamil Khadiev, Artem Ilikaev
We study algorithms for solving three problems on strings. The first one is the Most Frequently String Search Problem. The problem is the following. Assume that we have a sequence…