3 papers
quant-ph2026
Tantalum as a base material for superconducting integrated circuits
Evgeniy V. Zikiy, Nikita S. Smirnov, Stanislav A. Kotenkov +9
The performance of superconducting integrated circuits for quantum applications is fundamentally limited by material-related losses. Tantalum, as an emerging material for next-gene…
cond-mat.mtrl-sci2025
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…
quant-ph2024
Lumped-element two-section impedance-matched SNAIL parametric amplifier
D. Moskaleva, N. Smirnov, D. Moskalev +11
Broadband impedance-matched Josephson parametric amplifiers are key components for high-fidelity single-shot multi-qubit readout. Nowadays, several types of impedance matched param…