20 citations · 108 across the 31 of their papers we have counts for
32 papers
Bipolar Thermoelectric Superconducting Quantum Devices
F. Antola, G. Marchegiani, A. Braggio +1
Quantum technologies increasingly require accurate modeling of their hardware components and of the non-equilibrium regimes in which they operate, where managing heat and energy fl…
A Voltage-Controlled Josephson Frequency Comb
Giorgio De Simoni, Francesco Giazotto
Microwave frequency combs constitute promising resources for quantum technologies, cryogenic electronics, and multiplexed sensing architectures. In this work, we propose a frequenc…
A Zero-Bias Superconducting Voltage Amplifier Based on the Bipolar Thermoelectric Effect
Giacomo Trupiano, Giorgio De Simoni, Francesco Giazotto
We introduce a zero-bias superconducting voltage amplifier that harvests energy from a thermal gradient by exploiting negative differential resistance (NDR) in an asymmetric tunnel…
Extremely weak electron-phonon coupling in Josephson junctions built on InAs on Insulator
Giorgio De Simoni, Sebastiano Battisti, Alessandro Paghi +2
InAs-on-Insulator (InAsOI) enables an effective superconducting proximity effect and extremely weak electron-phonon (e-ph) coupling, allowing precise electronic-temperature control…
Impact of magnetic field direction on anti-dot-based superconducting diodes
E. B. de Melo Junior, E. Strambini, F. Giazotto +1
The superconducting diode effect (SDE) is a fundamental building block for dissipationless nonreciprocal electronics, yet its microscopic origins in thin films often involve compet…
Giant thermal modulation via a semiconductor-superconductor photonic field-effect heat transistor
Sebastiano Battisti, Matteo Pioldi, Alessandro Paghi +5
We present a groundbreaking demonstration of thermal modulation in a field-effect-controllable semiconductor-superconductor hybrid structure, wherein the heating mechanism is exclu…
Highly-Linear Proximity-Based Bi-SQUID Operating above 4 K
G. Trupiano, E. Riccardi, C. Puglia +5
We demonstrate a highly linear superconducting quantum interference device (SQUID) amplifier based on a double-loop (Bi-SQUID) architecture incorporating three superconductor-norma…
Quantum Bipolar Thermoelectricity
Filippo Antola, Giorgio De Simoni, Francesco Giazotto +1
Thermoelectricity is generally understood as a classical effect emerging from energy-dependent transport asymmetries. Here, we uncover a purely quantum mechanism, where a supercond…
Streamline controlled rectification of supercurrent in thin-film asymmetric weak links
Filippo Antola, Sebastiano Battisti, Alessandro Braggio +2
In this study, we examined the supercurrent diode effect (SDE) in mesoscopic superconducting weak links formed by asymmetric Dayem bridges. These planar metallic constrictions, whi…
The Ferroelectric Superconducting Field Effect Transistor
Alessandro Paghi, Laura Borgongino, Elia Strambini +3
The ferroelectric field-effect transistor (Fe-FET) is a three-terminal semiconducting device first introduced in the 1950s. Despite its potential, a significant boost in Fe-FET res…
A Thermally Modulated SINIS Trasconductance Amplifier
Giacomo Trupiano, Giorgio De Simoni, Francesco Giazotto
We introduce a superconducting transconductance amplifier based on the thermal modulation of a SINIS (Superconductor-Insulator-Normal metal-Insulator-Superconductor) configuration.…
Thermoelectric AC Josephson effect
Olli Mansikkamäki, Francesco Giazotto, Alexander Balatsky
A temperature gradient across a Josephson junction induces a thermoelectric current. We predict the AC Josephson effect is activated when this current surpasses the junction's…
Eliashberg theory prediction of critical currents in superconducting thin films under DC electric fields
Giovanni Alberto Ummarino, Alessio Zaccone, Alessandro Braggio +1
Superconducting thin metallic films, functioning as supercurrent gate-tunable transistors, have considerable potential for future quantum electronic devices. Despite extensive rese…
Photonic Negative Differential Thermal Conductance Enabled by NIS Junctions
M. Pioldi, G. De Simoni, A. Braggio +1
Owing to their sensitivity to temperature fluctuations, normal metal-insulator-superconductor (NIS) junctions are leveraged in various thermal devices. This study illustrates that…
Microscopic mechanism of electric field-induced superconductivity suppression in metallic thin films
Alessio Zaccone, Giovanni A. Ummarino, Alessandro Braggio +1
Supercurrent field-effect transistors made from thin metallic films are a promising option for next-generation high-performance computation platforms. Despite extensive research, t…
Photonic heat amplifiers based on a disordered semiconductor
Matteo Pioldi, Giorgio De Simoni, Alessandro Braggio +1
A photonic heat amplifier (PHA) designed for cryogenic operations is introduced and analyzed. This device comprises two variable-range-hopping reservoirs connected by lossless line…
Structural and Transport Properties of Thin InAs Layers Grown on InxAl1-xAs Metamorphic Buffers
Giulio Senesi, Katarzyna Skibinska, Alessandro Paghi +5
Indium Arsenide is a III-V semiconductor with low electron effective mass, a small band gap, strong spin-orbit coupling, and a large g-factor. These properties and its surface Ferm…
Josephson Field Effect Transistors with InAs on Insulator and High Permittivity Gate Dielectrics
Alessandro Paghi, Laura Borgongino, Sebastiano Battisti +6
InAs on Insulator (InAsOI) has been recently demonstrated as a promising platform to develop hybrid semiconducting-superconducting Josephson Junctions (JJs) and Josephson Field Eff…
Supercurrent Time Division Multiplexing with Solid-State Integrated Hybrid Superconducting Electronics
Alessandro Paghi, Laura Borgongino, Simone Tortorella +4
Time-division multiplexing of cryogenic signals is a promising approach to reduce space requirements, shorten cooldown times, and increase the number of quantum devices measured pe…
A quasiparticle-injection superconducting microwave relaxation oscillator
Giacomo Trupiano, Giorgio De Simoni, Francesco Giazotto
We propose a superconducting microwave relaxation oscillator based on a nanowire shunted by a resistor and an inductor controlled by quasiparticle injection from a tunnel junction…
Cryogenic Behavior of High-Permittivity Gate Dielectrics: The Impact of the Atomic Layer Deposition Temperature and the Lithographic Patterning Method
Alessandro Paghi, Sebastiano Battisti, Simone Tortorella +2
Dielectrics featuring a high relative permittivity, i.e., high-k dielectrics, have become the standard insulators in gate architectures, enhancing the electrical performance of bot…
Extremely weak sub-kelvin electron-phonon coupling in InAs On Insulator
Sebastiano Battisti, Giorgio De Simoni, Alessandro Braggio +3
We are proposing, as an ideal candidate for caloritronic devices operating at subKelvin temperatures, a hybrid superconductor-semiconductor platform named InAs on insulator (InAsOI…
InAs on Insulator: A New Platform for Cryogenic Hybrid Superconducting Electronics
Alessandro Paghi, Giacomo Trupiano, Giorgio De Simoni +3
Superconducting circuits based on hybrid InAs Josephson Junctions (JJs) play a starring role in the design of fast and ultra-low power consumption solid-state quantum electronics a…
Tunable Thermoelectric Superconducting Heat Pipe and Diode
F. Antola, A. Braggio, G. De Simoni +1
Efficient heat management at cryogenic temperatures is crucial for superconducting quantum technologies. This study demonstrates the controlled manipulation of the heat flow and he…