31 citations · 59 across the 7 of their papers we have counts for
7 papers
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…
Improving Josephson junction reproducibility for superconducting quantum circuits: shadow evaporation and oxidation
D. O. Moskalev, E. V. Zikiy, A. A. Pishchimova +5
The most commonly used physical realization of superconducting qubits for quantum circuits is a transmon. There are a number of superconducting quantum circuits applications, where…
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…
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…