4 papers · 1 filter
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…
Superconducting integrated on-demand quantum memory with microwave pulse preservation
Aleksei R. Matanin, Nikita S. Smirnov, Anton I. Ivanov +8
Microwave quantum memory represents a critical component for quantum radars and resource-efficient approaches to quantum error correction. Superconducting microwave resonators prov…
High-fidelity two-qubit gates with transmon qubits using bipolar flux pulses and tunable couplers
Nikita S. Smirnov, Aleksei R. Matanin, Anton I. Ivanov +15
High-fidelity two-qubit gates are essential for scalable quantum computing. We present a scheme based on superconducting transmon qubits and a control pulse delivery protocol that…
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…