87 citations · 481 across the 29 of their papers we have counts for
30 papers
Kerr nonlinearity and three-wave mixing in superconducting resonators hosting Al-InAs weak links
Vittorio Buccheri, Ivo P. C. Cools, Nermin Trnjanin +6
Nonlinear microwave resonators are a versatile tool in quantum information processing, enabling parametric amplification, continuous variable quantum computing, and engineered mode…
Probing Synthetic Caroli-de Gennes-Matricon States Through Critical Current in Full-Shell Nanowire Josephson Junctions
Carlos Payá, Ángel Ibabe, Mario Gómez +6
Full-shell hybrid nanowires consisting of a semiconductor core fully enveloped by a superconducting shell have emerged as a platform to study Caroli-de Gennes-Matricon (CdGM) analo…
Ultrastrong Coupling and Coherent Dynamics in a Gate-Tunable Transmon Qubit
I. Casal Iglesias, F. J. Matute-Cañadas, G. O. Steffensen +10
Ultrastrong light-matter coupling (USC) gives access to exotic quantum phenomena and promises faster quantum gates, yet coherent time-domain control in this regime remains largely…
Anomalous metallic phase and reduced critical current in superconducting nanowires due to inverse proximity effect
G. M. Oliveira, G. O. Steffensen, I. Casal Iglesias +7
Superconductor-to-metal transitions (SMTs) are key probes of mesoscopic superconductivity, but their interpretation can be complicated by device geometry and measurement conditions…
Nanoscale photonic neuron with biological signal processing
Joachim E. Sestoft, Thomas K. Jensen, Vidar Flodgren +8
Computational hardware designed to mimic biological neural networks holds the promise to resolve the drastically growing global energy demand of artificial intelligence. A wide var…
Synthetic spin-orbit coupling in superconductor-semiconductor hybrid nanowires with micromagnet arrays
M. P. Hynes, D. Burke, K. Ganesh +9
Spin-orbit interaction accounts for the coupling of momentum and spin degrees of freedom of electrons and holes in semiconductor materials. In quantum information processing, it al…
Multimode operation of a superconducting nanowire switch in the nanosecond regime
Zoltán Scherübl, Mátyás Kocsis, Tosson Elalaily +8
Superconducting circuits are promising candidates for future computational architectures, however, practical applications require fast operation. Here, we demonstrate fast, gate-ba…
Microwave dynamics of gated Al/InAs superconducting nanowires
Vittorio Buccheri, François Joint, Kazi Rafsamjani Amin +9
Several experiments have recently reported on gate-tunable superconducting properties in metallic devices, holding promise for the realization of cryogenic switches, tunable resona…
Approaching the ultrastrong coupling regime between an Andreev level and a microwave resonator
O. O. Shvetsov, A. Khola, V. Buccheri +5
Josephson junctions formed in semiconductor nanowires host Andreev bound states and serve as a physical platform to realize Andreev qubits tuned by electrostatic gating. With the A…
Andreev spin relaxation time in a shadow-evaporated InAs weak link
Haoran Lu, David F. Bofill, Zhenhai Sun +4
Andreev spin qubits are a new qubit platform that merges superconductivity with semiconductor physics. The mechanisms dominating observed energy relaxation remain unidentified. We…
Heteroatomic Andreev molecule in a superconducting island-double quantum dot hybrid
Olivér Kürtössy, Mihály Bodócs, Cătălin Paşcu Moca +7
Topological superconductors (SCs) hold great promise for fault-tolerant quantum hardware, however, their experimental realization is very challenging. Recently, superconducting art…
Switching dynamics in Al/InAs nanowire-based gate-controlled superconducting switch
Tosson Elalaily, Martin Berke, Ilari Lilja +8
The observation of the gate-controlled supercurrent (GCS) effect in superconducting nanostructures increased the hopes for realizing a superconducting equivalent of semiconductor f…
Heat dissipation mechanisms in hybrid superconductor-semiconductor devices revealed by Joule spectroscopy
Angel Ibabe, Gorm O. Steffensen, Ignacio Casal +5
Understanding heating and cooling mechanisms in mesoscopic superconductor-semiconductor hybrid devices is crucial for their application in quantum technologies. Owing to the poor t…
Photon-mediated long range coupling of two Andreev level qubits
L. Y. Cheung, R. Haller, A. Kononov +9
In a superconducting weak link, the supercurrent is carried by Andreev bound states (ABSs) formed by the phase-coherent reflection of electrons and their time-reversed partners. A…
Signatures of gate-driven out of equilibrium superconductivity in Ta/InAs nanowires
Tosson Elalaily, Martin Berke, Máté Kedves +6
Understanding the microscopic origin of the gate-controlled supercurrent (GCS) in superconducting nanobridges is crucial for engineering superconducting switches suitable for a var…
Joule spectroscopy of hybrid superconductor-semiconductor nanodevices
Angel Ibabe, Mario Gomez, Gorm O. Steffensen +4
Hybrid superconductor-semiconductor devices offer highly tunable platforms, potentially suitable for quantum technology applications, that have been intensively studied in the past…
Parallel InAs nanowires for Cooper pair splitters with Coulomb repulsion
Olivér Kürtössy, Zoltán Scherübl, Gergő Fülöp +5
Hybrid nanostructures consisting of two parallel InAs nanowires connected by an epitaxially grown superconductor (SC) shell recently became available. Due to the defect-free SC-sem…
Electronic transport in double-nanowire superconducting islands with multiple terminals
Alexandros Vekris, Juan Carlos Estrada Saldaña, Thomas Kanne +7
We characterize in-situ grown parallel nanowires bridged by a superconducting island. The magnetic-field and temperature dependence of Coulomb blockade peaks measured across differ…
Superconductivity and parity preservation in as-grown In islands on InAs nanowires
Martin Saurbrey Bjergfelt, Damon J. Carrad, Thomas Kanne +4
We report in-situ synthesis of crystalline indium islands on InAs nanowires grown by molecular beam epitaxy. Structural analysis by transmission electron microscopy showed that In…
Scalable platform for nanocrystal-based quantum electronics
Joachim E. Sestoft, Aske N. Gejl, Thomas Kanne +5
Unlocking the full potential of nanocrystals in electronic devices requires scalable and deterministic manufacturing techniques. A platform offering promising alternative paths to…
Gate-controlled supercurrent in epitaxial Al/InAs nanowires
Tosson Elalaily, Olivér Kürtössy, Zoltán Scherübl +9
Gate-controlled supercurrent (GCS) in superconductor nanobridges has recently attracted attention as a means to create superconducting field effect transistors. Despite the clear a…
Asymmetric Little-Parks Oscillations in Full Shell Double Nanowires
Alexandros Vekris, Juan Carlos Estrada Saldaña, Joeri de Bruijckere +6
Little-Parks oscillations of a hollow superconducting cylinder are of interest for flux-driven topological superconductivity in single Rashba nanowires. The oscillations are typica…
Josephson junctions in double nanowires bridged by in-situ deposited superconductors
Alexandros Vekris, Juan Carlos Estrada Saldaña, Thomas Kanne +9
We characterize parallel double quantum dot Josephson junctions based on closely-grown double nanowires bridged by in-situ deposited superconductors. The parallel double dot behavi…
Andreev molecule in parallel InAs nanowires
Olivér Kürtössy, Zoltán Scherübl, Gergő Fülöp +5
Coupling individual atoms via tunneling fundamentally changes the state of matter: electrons bound to atomic cores become delocalized resulting in a change from an insulating to a…