121 citations · 455 across the 27 of their papers we have counts for
27 papers
Superconducting single-photon detectors for integrated quantum photonics
Ilya A. Stepanov, Oksana I. Shmonina, Evgeniy V. Sergeev +7
Single-photon detection possibility is a fundamental requirement for quantum technologies, including communication, computing and sensing. To achieve scalability and practical depl…
Mutual control of critical temperature, residual resistance ratio, stress, and roughness for sputtered Nb films
E. V. Zikiy, I. A. Stepanov, S. V. Bukatin +10
Superconducting single quantum logic integrated circuits traditionally exploit magnetron sputtered niobium thin films on silicon oxide substrates. The sputtering depends on multipl…
Integrated Electro-Optic Absorption Modulator for Silicon Nitride Platform
Evgeniy S. Lotkov, Alexander S. Baburin, Ali S. Amiraslanov +15
Silicon nitride (SiN) is currently the most prominent platform for photonics at visible and near-IR wavelength bandwidth. However, realizing fast electro-optic (EO) modulators, the…
Tutorial on Silicon Photonics Integrated Platform Fiber Edge Coupling
Sergey S. Avdeev, Aleksandr S. Baburin, Evgeniy V. Sergeev +11
Photonic integrated circuits (PICs) play a crucial role in almost every aspect of modern life, such as data storage, telecommunications, medical diagnostics, green energy, autonomo…
Wafer-scale uniformity improvement of Dolan-bridge Josephson junction by shadow evaporation bias correction
Daria A. Moskaleva, Nikita D. Korshakov, Dmitry O. Moskalev +7
One of the practical limitations of solid-state superconducting quantum processors technology is frequency crowding due to low qubits fabrication reproducibility. Josephson junctio…
Aluminum Josephson junction microstructure and electrical properties modification with thermal annealing
N. D. Korshakov, D. O. Moskalev, A. A. Soloviova +7
Superconducting qubits based on Al/AlOx/Al Josephson junction are one of the most promising candidates for the physical implementation of universal quantum computers. Due to scalab…
Sputtered NbN Films for Ultrahigh Performance Superconducting Nanowire Single-Photon Detectors
Ilya A. Stepanov, Aleksandr S. Baburin, Danil V. Kushnev +7
Nowadays ultrahigh performance superconducting nanowire single-photon detectors are the key elements in a variety of devices from biological research to quantum communications and…
Wiring surface loss of a superconducting transmon qubit
Nikita S. Smirnov, Elizaveta A. Krivko, Anastasiya A. Solovieva +2
Quantum processors using superconducting qubits suffer from dielectric loss leading to noise and dissipation. Qubits are usually designed as large capacitor pads connected to a non…
High-Q trenched aluminum coplanar resonators with an ultrasonic edge microcutting for superconducting quantum devices
E. V. Zikiy, A. I. Ivanov, N. S. Smirnov +7
Dielectric losses are one of the key factors limiting the coherence of superconducting qubits. The impact of materials and fabrication steps on dielectric losses can be evaluated u…
Coupler microwave-activated controlled phase gate on fluxonium qubits
Ilya A. Simakov, Grigoriy S. Mazhorin, Ilya N. Moskalenko +8
Tunable couplers have recently become one of the most powerful tools for implementing two-qubit gates between superconducting qubits. A tunable coupler typically includes a nonline…
Integrated membrane-free thermal flow sensor for silicon-on-glass microfluidics
Vitaly V. Ryzhkov, Vladimir V. Echeistov, Aleksandr V. Zverev +11
Lab-on-a-chip (LOC) forms the basis of the new-generation portable analytical systems. LOC allows the manipulation of ultralow flows of liquid reagents and multistep reactions on a…
Beyond single-crystalline metals: ultralow-loss silver films on lattice-mismatched substrates
Aleksandr S. Baburin, Dmitriy O. Moskalev, Evgeniy S. Lotkov +8
High-quality factor plasmonic devices are crucial components in the fields of nanophotonics, quantum computing and sensing. The majority of these devices are required to be fabrica…
Broadband SNAIL parametric amplifier with microstrip impedance transformer
D. Ezenkova, D. Moskalev, N. Smirnov +8
Josephson parametric amplifiers have emerged as a promising platform for quantum information processing and squeezed quantum states generation. Travelling wave and impedance-matche…
Robust cryogenic matched low-pass coaxial filters for quantum computing applications
Andrey A. Samoylov, Anton I. Ivanov, Vladimir V. Echeistov +5
Electromagnetic noise is one of the key external factors decreasing superconducting qubits coherence. Matched coaxial filters can prevent microwave and IR photons negative influenc…
Improving Josephson junction reproducibility for superconducting quantum circuits: junction area fluctuation
A. A. Pishchimova, N. S. Smirnov, D. A. Ezenkova +6
Josephson superconducting qubits and parametric amplifiers are prominent examples of superconducting quantum circuits that have shown rapid progress in recent years. With the growi…
Greatly Enhanced Emission from Spin Defects in Hexagonal Boron Nitride Enabled by a Low-Loss Plasmonic Nano-Cavity
Xiaohui Xu, Abhishek. B. Solanki, Demid Sychev +13
Two-dimensional hexagonal boron nitride (hBN) has been known to host a variety of quantum emitters with properties suitable for a broad range of quantum photonic applications. Amon…
Towards highly efficient broadband superconducting quantum memory
A. R. Matanin, K. I. Gerasimov, E. S. Moiseev +8
Microwave quantum memory promises advanced capabilities for noisy intermediate-scale superconducting quantum computers. Existing approaches to microwave quantum memory lack complet…
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…
Cavity-QED of a quantum metamaterial with tunable disorder
Grigoriy S. Mazhorin, Ilya N. Moskalenko, Ilya S. Besedin +8
We explore experimentally a quantum metamaterial based on a superconducting chip with 25 frequency-tunable transmon qubits coupled to a common coplanar resonator. The collective br…
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…
Topological photon pairs in a superconducting quantum metamaterial
Ilya S. Besedin, Maxim A. Gorlach, Nikolay N. Abramov +9
Recent discoveries in topological physics hold a promise for disorder-robust quantum systems and technologies. Topological states provide the crucial ingredient of such systems fea…
Deterministic integration of single nitrogen-vacancy centers into nanopatch antennas
Simeon I. Bogdanov, Oksana A. Makarova, Alexei S. Lagutchev +9
Quantum emitters coupled to plasmonic nanoantennas produce single photons at unprecedentedly high rates in ambient conditions. This enhancement of quantum emitters' radiation rate…
Plasmonic sensor based on the Ebbesen effect
P. N. Melentiev, A. S. Gritchenko, A. S. Baburin +4
We present a new method for measuring low concentrations and simultaneously small volumes of fluorescent molecules based on the use of the Ebbesen effect of the extraordinary trans…
Quantum Engineering of Single-Crystalline Silver Thin Films
Ilya A. Rodionov, Aleksandr S. Baburin, Aidar R. Gabidullin +4
There is a demand for the manufacture of ultra low-loss metallic films with high-quality single crystals and surface for quantum optics and quantum information processing. Many res…