47 citations · 190 across the 22 of their papers we have counts for
23 papers
Transport regimes in tunnel ferromagnetic Josephson junctions
R. Satariano, A. A. Golubov, E. Raja +13
We present a systematic study of the temperature-dependent transport properties of Nb- and Al-based superconductor--insulator--thin superconductor--ferromagnet--superconductor (SIs…
Phase dynamics and dissipation in tunnel ferromagnetic Josephson junctions
F. Calloni, R. Satariano, R. Ferraiuolo +17
We investigate tunnel ferromagnetic Josephson junctions based on Superconductor-Insulator-thin superconductor-Ferromagnet-Superconductor multilayers. A comparative study of their e…
Experimental observation of dynamical blockade between transmon qubits via ZZ interaction engineering
Marco Riccardi, Aviv Glezer Moshe, Guido Menichetti +13
We report the experimental realization of strong longitudinal (ZZ) coupling between two superconducting transmon qubits achieved solely through capacitive engineering. By systemati…
Submicrometer tunnel ferromagnetic Josephson junctions with transmon energy scale
R. Satariano, R. Ferraiuolo, F. Calloni +5
We have realized submicron tunnel ferromagnetic Al/AlO/Al/NiFe/Al Josephson junctions (JJs) in Manhattan-style configuration for qubit applications. These junctio…
Quantum Circuit-Based Adaptation for Credit Risk Analysis
Halima Giovanna Ahmad, Alessandro Sarno, Mehdi El Bakraoui +12
Noisy and Intermediate-Scale Quantum, or NISQ, processors are sensitive to noise, prone to quantum decoherence, and are not yet capable of continuous quantum error correction for f…
Experimental demonstration of non-local magic in a superconducting quantum processor
Halima Giovanna Ahmad, Gianluca Esposito, Viviana Stasino +9
Non-local magic is the non-stabilizerness that no local unitary operation can erase. It captures the joint action of entanglement and magic underlying quantum advantage, and it has…
Rare-Earth Nitrides: Fundamental Advances and Applications in Cryogenic Electronics
W. F. Holmes-Hewett, J. D. Miller, H. G. Ahmad +2
Driven by the pursuit of high-performance electronic devices, research into novel materials with properties appropriate for cryogenic applications has unveiled the exceptional prop…
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…
Nanoscale spin ordering and spin screening effects in tunnel ferromagnetic Josephson junctions
Roberta Satariano, Anatoly Fjodorovich Volkov, Halima Giovanna Ahmad +10
Magnetic Josephson junctions (MJJs) have emerged as a prominent playground to explore the interplay between superconductivity and ferromagnetism. A series of fascinating experiment…
Josephson coupling in Lanthanum-based cuprates superlattices
Halima Giovanna Ahmad, Davide Massarotti, Francesco Tafuri +3
In most anisotropic compounds such as bismuth-based layered cuprate perovskites, the supercurrent across the blocking layer is of Josephson type, and a single crystal forms a natur…
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…
Evidence of the inverse proximity effect in tunnel magnetic Josephson Junctions
Roberta Satariano, Anatoly Fjodorovich Volkov, Halima Giovanna Ahmad +11
Magnetic Josephson Junctions (MJJs) are a special class of hybrid systems where antagonistic correlations coexist, thus providing a key for advances in weak superconductivity, supe…
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…
Phase dynamics of tunnel Al-based ferromagnetic Josephson junctions
Halima Giovanna Ahmad, Roberta Satariano, Raffaella Ferraiuolo +8
By measuring the current-voltage characteristics and the switching current distributions as a function of temperature, we have investigated the phase dynamics of Al tunnel ferromag…
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…
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…
Numerical simulations of Josephson Traveling Wave Parametric Amplifiers (JTWPAs): comparative study of open-source tools
A. Yu. Levochkina, H. G. Ahmad, P. Mastrovito +6
Josephson Traveling Wave Parametric Amplifiers (JTWPAs) are largely exploited in quantum technologies for their broadband and low noise performance in the microwave regime. When on…
Mitigating Errors on Superconducting Quantum Processors through Fuzzy Clustering
Halima G. Ahmad, Roberto Schiattarella, Pasquale Mastrovito +10
Quantum utility has been severely limited in superconducting quantum hardware until now by the modest number of qubits and the relatively high level of control and readout errors,…
A hybrid ferromagnetic transmon qubit: circuit design, feasibility and detection protocols for magnetic fluctuations
Halima Giovanna Ahmad, Valentina Brosco, Alessandro Miano +8
We propose to exploit currently available tunnel ferromagnetic Josephson junctions to realize a hybrid superconducting qubit. We show that the characteristic hysteretic behavior of…
Inverse magnetic hysteresis of the Josephson supercurrent: study of the magnetic properties of thin niobium/permalloy (Fe_{20}Ni_{80}) interfaces
Roberta Satariano, Loredana Parlato, Antonio Vettoliere +12
We propose a picture for the magnetic properties of superconductor/ferromagnet (S/F) heterostructures based on Nb and permalloy (Py: Fe_{20}Ni_{80}). By measuring the magnetic mome…
Coexistence and tuning of spin-singlet and triplet transport in spin-filter Josephson junctions
H. G. Ahmad, M. Minutillo, R. Capecelatro +7
The increased capabilities of coupling more and more materials through functional interfaces are paving the way to a series of exciting experiments and extremely advanced devices.…
Electrodynamics of highly spin-polarized tunnel Josephson junctions
H. G. Ahmad, R. Caruso, A. Pal +5
The continuous development of superconducting electronics is encouraging several studies on hybrid Josephson junctions (JJs) based on superconductor/ferromagnet/superconductor (SFS…
Tuning of Magnetic Activity in Spin-Filter Josephson Junctions Towards Spin-Triplet Transport
R. Caruso, D. Massarotti, G. Campagnano +6
The study of superconductor-ferromagnet interfaces has generated great interest in the last decades, leading to the observation of spin-aligned triplet supercurrents and 0-pi trans…