6 papers
On-chip microwave coherent source with in-situ control of the photon number distribution
Pasquale Mastrovito, Halima Giovanna Ahmad, Alberto Porzio +3
Coherent photon sources are key elements in different applications, ranging from quantum sensing to quantum computing. The possibility of designing and engineering superconducting…
Implementation and readout of maximally entangled two-qubit gates quantum circuits in a superconducting quantum processor
Viviana Stasino, Pasquale Mastrovito, Carlo Cosenza +8
Besides noticeable challenges in implementing low-error single- and two-qubit quantum gates in superconducting quantum processors, the readout technique and analysis are a key fact…
Towards novel tunability schemes for hybrid ferromagnetic transmon qubits
Halima Giovanna Ahmad, Raffaella Ferraiuolo, Giuseppe Serpico +12
Flux tuning of qubit frequencies in superconducting quantum processors is fundamental for implementing single and multi-qubit gates in quantum algorithms. Typical architectures inv…
Investigating pump harmonics generation in a SNAIL-based Traveling Wave Parametric Amplifier
A. Yu. Levochkina, H. G. Ahmad, P. Mastrovito +16
Traveling Wave Parametric Amplifiers (TWPAs) are extensively employed in experiments involving weak microwave signals for their highly desirable quantum-limited and broadband chara…
Modeling flux tunability in Josephson Traveling Wave Parametric Amplifiers with an open-source frequency-domain simulator
A. Levochkina, I. Chatterjee, P. Darvehi +8
Josephson Traveling Wave Parametric Amplifiers (JTWPAs) are integral parts of many experiments carried out in quantum technologies. Being composed of hundreds of Josephson junction…
Entanglement assisted probe of the non-Markovian to Markovian transition in open quantum system dynamics
Chandrashekhar Gaikwad, Daria Kowsari, Carson Brame +8
We utilize a superconducting qubit processor to experimentally probe non-Markovian dynamics of an entangled qubit pair. We prepare an entangled state between two qubits and monitor…