3 papers
quant-ph2025
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…
quant-ph2025
An engineering guide to superconducting quantum circuit shielding
Elizaveta I. Malevannaya, Viktor I. Polozov, Anton I. Ivanov +10
In this review, we provide a practical guide on protection of superconducting quantum circuits from broadband electromagnetic and infrared-radiation noise by using cryogenic shield…
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…