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
32 papers · 2 filters
State preparation of a fluxonium qubit with feedback from a custom FPGA-based platform
Richard Gebauer, Nick Karcher, Daria Gusenkova +12
We developed a versatile integrated control and readout instrument for experiments with superconducting quantum bits (qubits), based on a field-programmable gate array (FPGA) platf…
Optical control of single-photon negative-feedback avalanche diode detector
Gaëtan Gras, Nigar Sultana, Anqi Huang +4
We experimentally demonstrate optical control of negative-feedback avalanche diode (NFAD) detectors using bright light. We deterministically generate fake single-photon detections…
Resolving the positions of defects in superconducting quantum bits
Alexander Bilmes, Anthony Megrant, Paul Klimov +4
Solid-state quantum coherent devices are quickly progressing. Superconducting circuits, for instance, have already been used to demonstrate prototype quantum processors comprising…
Implementation of a transmon qubit using superconducting granular aluminum
Patrick Winkel, Kiril Borisov, Lukas Grünhaupt +6
The high kinetic inductance offered by granular aluminum (grAl) has recently been employed for linear inductors in superconducting high-impedance qubits and kinetic inductance dete…
Estimating the precision for quantum process tomography
E. O. Kiktenko, D. N. Kublikova, A. K. Fedorov
Quantum tomography is a widely applicable tool for complete characterization of quantum states and processes. In the present work, we develop a method for precision-guaranteed quan…
Efficient generation of temporally shaped photons using nonlocal spectral filtering
Valentin Averchenko, Denis Sych, Christoph Marquardt +1
We study the generation of single-photon pulses with the tailored temporal shape via nonlocal spectral filtering. A shaped photon is heralded from a time-energy entangled photon pa…
Attacking quantum key distribution by light injection via ventilation openings
Juan Carlos Garcia-Escartin, Shihan Sajeed, Vadim Makarov
Quantum cryptography promises security based on the laws of physics with proofs of security against attackers of unlimited computational power. However, deviations from the origina…
Quantum soft filtering for the improved security analysis of the coherent one-way quantum-key-distribution protocol
D. A. Kronberg, A. S. Nikolaeva, Y. V. Kurochkin +1
A precise security analysis of practical quantum key distribution (QKD) systems is an important step for improving their performance. Here we consider a class of quantum soft filte…
Nondestructive classification of quantum states using an algorithmic quantum computer
D. V. Babukhin, A. A. Zhukov, W. V. Pogosov
Methods of processing quantum data become more important as quantum computing devices improve their quality towards fault tolerant universal quantum computers. These methods includ…
Hybrid digital-analog simulation of many-body dynamics with superconducting qubits
D. V. Babukhin, A. A. Zhukov, W. V. Pogosov
In recent years, there has been a significant progress in the development of digital quantum processors. The state-of-the-art quantum devices are imperfect, and fully-algorithmic f…
Scalable quantum computing with qudits on a graph
E. O. Kiktenko, A. S. Nikolaeva, Peng Xu +2
We show a significant reduction of the number of quantum operations and the improvement of the circuit depth for the realization of the Toffoli gate by using qudits. This is done b…
Non-degenerate parametric amplifiers based on dispersion engineered Josephson junction arrays
Patrick Winkel, Ivan Takmakov, Dennis Rieger +12
Determining the state of a qubit on a timescale much shorter than its relaxation time is an essential requirement for quantum information processing. With the aid of a new type of…
Engineering Schrödinger cat states with a photonic even-parity detector
G. S. Thekkadath, B. A. Bell, I. A. Walmsley +1
When two equal photon-number states are combined on a balanced beam splitter, both output ports of the beam splitter contain only even numbers of photons. Consider the time-reversa…
Amplitude and frequency sensing of microwave fields with a superconducting transmon qudit
Maximilian Kristen, Andre Schneider, Alexander Stehli +9
Experiments with superconducting circuits require careful calibration of the applied pulses and fields over a large frequency range. This remains an ongoing challenge as commercial…
Probability representation of quantum dynamics using pseudostochastic maps
E. O. Kiktenko, A. O. Malyshev, A. S. Mastiukova +3
In this work, we consider a probability representation of quantum dynamics for finite-dimensional quantum systems with the use of pseudostochastic maps acting on true probability d…
-phonon bundle emission via the anti-Stokes process
Qian Bin, Xin-You Lü, Fabrice P. Laussy +2
We demonstrate theoretically the bundle emission of strongly correlated phonons in an acoustic cavity QED system. The mechanism relies on anti-Stokes resonances that generate s…
Protecting quantum systems from decoherence with unitary operations
E. O. Kiktenko, A. S. Mastiukova, A. K. Fedorov
Decoherence is a fundamental obstacle to the implementation of large-scale and low-noise quantum information processing devices. In this work, we suggest an approach for suppressin…
Extremely subradiant states in a periodic one-dimensional atomic array
D. F. Kornovan, N. V. Corzo, J. Laurat +1
We study the subradiant collective states of a periodic chain of two-level atoms with either transversal or longitudinal transition dipole moments with respect to the chain axis. W…
Observation of Multimode Strong Coupling of Cold Atoms to a 30-m Long Optical Resonator
Aisling Johnson, Martin Blaha, Alexander E. Ulanov +3
We report on the observation of multimode strong coupling of a small ensemble of atoms interacting with the field of a 30-m long fiber resonator containing a nanofiber section. The…
Laser damage attack against optical attenuators in quantum key distribution
Anqi Huang, Ruoping Li, Vladimir Egorov +3
Many quantum key distribution systems employ a laser followed by an optical attenuator to prepare weak coherent states in the source. Their mean photon number must be pre-calibrate…
Certified Quantum Random Numbers from Untrusted Light
David Drahi, Nathan Walk, Matty J. Hoban +8
A remarkable aspect of quantum theory is that certain measurement outcomes are entirely unpredictable to all possible observers. Such quantum events can be harnessed to generate nu…
Entangled resource for interfacing single- and dual-rail optical qubits
David Drahi, Demid V. Sychev, Khurram K. Pirov +4
Today's most widely used method of encoding quantum information in optical qubits is the dual-rail basis, often carried out through the polarisation of a single photon. On the othe…
Transmon Qubit in a Magnetic Field: Evolution of Coherence and Transition Frequency
Andre Schneider, Tim Wolz, Marco Pfirrmann +4
We report on spectroscopic and time-domain measurements on a fixed-frequency concentric transmon qubit in an applied in-plane magnetic field to explore its limits of magnetic field…
Quantum interference test of the equivalence principle on antihydrogen
P. -P. Crépin, C. Christen, R. Guérout +3
We propose to use quantum interferences to improve the accuracy of the measurement of the free fall acceleration g of antihydrogen in the GBAR experiment. This method uses most ant…