85 citations · 477 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…
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…
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…
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…
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,…
Current-phase relation of a short multi-mode Bi2Se3 topological insulator nanoribbon Josephson junction with ballistic transport modes
Ananthu P. Surendran, Domenico Montemurro, Gunta Kunakova +8
We used the asymmetric superconducting quantum interference device (SQUID) technique to extract the current phase relation (CPR) of a Josephson junction with a 3D-topological insul…
Twisted cuprate van der Waals heterostructures with controlled Josephson coupling
Mickey Martini, Yejin Lee, Tommaso Confalone +10
Twisted van der Waals (vdW) heterostructures offer a unique platform for engineering the efficient Josephson coupling between cuprate thin crystals harboring the nodal superconduct…
Encapsulating high-temperature superconducting twisted van der Waals heterostructures blocks detrimental effects of disorder
Yejin Lee, Mickey Martini, Tommaso Confalone +10
High-temperature cuprate superconductors-based van der Waals (vdW) heterostructures hold high technological promise. One of the obstacles hindering progress is the detrimental effe…
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…
Quantitative infrared near-field imaging of suspended topological insulator nanostructures
C. Lupo, J. Andzane, D. Montemurro +5
The development of nanoscale solid-state devices exploiting the promising topological surface states of topological insulator materials requires careful device engineering and impr…
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…
Topological insulator nanoribbon Josephson junctions: evidence for size effect in transport properties
Gunta Kunakova, Ananthu P. Surendran, Domenico Montemurro +6
We have used BiSe nanoribbons, grown by catalyst-free Physical Vapor Deposition to fabricate high quality Josephson junctions with Al superconducting electrodes. In our dev…
Fast tunable high Q-factor superconducting microwave resonators
S. Mahashabde, E. Otto, D. Montemurro +3
We present fast tunable superconducting microwave resonators fabricated from planar NbN on a sapphire substrate. The wavelength resonators are tuning fork shaped and tuned b…
Properties of Grooved Dayem Bridge based YBaCuO Superconducting Quantum Interference Devices and Magnetometers
E. Trabaldo, S. Ruffieux, E. Andersson +7
The transport properties of a YBaCuO superconducting quantum interference device (SQUID) based on grooved Dayem bridge weak links are studied as a function of tempe…
Use of a spoof plasmon to optimize the coupling of infrared radiation to Josephson Junction fluxon oscillations
A. Tagliacozzo, S. De Nicola, D. Montemurro +6
We show that Infrared radiation impinging onto a 1-d array of grooves drilled in the superconductor electrode of a long overlap junction can improve matching between fluxon oscilla…
SQUID magnetometer based on Grooved Dayem nanobridges and a flux transformer
Edoardo Trabaldo, Christoph Pfeiffer, Eric Andersson +5
We report noise measurements performed on a SQUID magnetometer implementing Grooved Dayem nanobridge of YBCO as weak-links. The SQUID shows magnetic flux noise as low as 10 /…
Uniform doping of graphene close to the charge neutrality point by polymer-assisted spontaneous assembly of molecular dopants
Hans He, Kyung Ho Kim, Andrey Danilov +12
Tuning the charge carrier density of two-dimensional (2D) materials by incorporating dopants into the crystal lattice is a challenging task. An attractive alternative is the surfac…
Transport properties of ultrathin YBaCuO nanowires: a route to single photon detection
Riccardo Arpaia, Dmitri Golubev, Reza Baghdadi +6
We report on the growth and characterization of ultrathin YBaCuO (YBCO) films on MgO (110) substrates, which exhibit superconducting properties at thicknesses down…
Suspended InAs nanowire Josephson junctions assembled via dielectrophoresis
Domenico Montemurro, Daniela Stornaiuolo, Davide Massarotti +5
We present a novel technique for the realization of suspended Josephson junctions based on InAs semiconductor nanowires. The devices are assembled using a technique of drop-casting…
Coherent transport in extremely underdoped Nd1.2Ba1.8Cu3Oz nanostructures
Franco Carillo, Gabriella Maria De Luca, Domenico Montemurro +5
Proximity-effect and resistance magneto-fluctuations measurements in submicron Nd1.2Ba1.8Cu3Oz (NBCO) nano-loops are reported to investigate coherent charge transport in the non-su…
Little-Parks effect in single YBaCuO sub-micron rings
Franco Carillo, Gianpaolo Papari, Daniela Stornaiuolo +5
The properties of single submicron high-temperature superconductor (HTS) rings are investigated. The Little-Parks effect is observed and is accompanied by an anomalous behavior of…