Publications (11)
Broadband parametric amplification in DARTWARS
Marco Faverzani, Pietro Campana, Rodolfo Carobene +46
Superconducting parametric amplifiers offer the capability to amplify feeble signals with extremely low levels of added noise, potentially reaching quantum-limited amplification. T…
Design and simulation of a transmon qubit chip for Axion detection
Roberto Moretti, Hervè Atsè Corti, Danilo Labranca +54
Quantum Sensing is a rapidly expanding research field that finds one of its applications in Fundamental Physics, as the search for Dark Matter. Devices based on superconducting qub…
Achieving speedup in Dark Matter search experiments with a transmon-based NISQ algorithm
Roberto Moretti, Pietro Campana, Rodolfo Carobene +9
Coherent detection of ultralight bosonic dark matter can be achieved by monitoring slow Rabi oscillations in superconducting qubits. We introduce an ancilla-assisted, gate-based pr…
Development of KI-TWPAs for the DARTWARS project
Felix Ahrens, Elena Ferri, Guerino Avallone +40
Noise at the quantum limit over a broad bandwidth is a fundamental requirement for future cryogenic experiments for neutrino mass measurements, dark matter searches and Cosmic Micr…
Impact of embedded Ho on the performance of the transition-edge sensor microcalorimeters of the HOLMES experiment
Douglas Bennett, Matteo Borghesi, Pietro Campana +19
We present a detailed investigation of the performance of transition-edge sensor (TES) microcalorimeters with Ho atoms embedded by ion implantation, as part of the HOLMES e…
A multi-decadal view of the heat and mass budget of a volcano in unrest: La Soufrière de Guadeloupe (French West Indies)
David E. Jessop, Séverine Moune, Roberto Moretti +11
Particularly in the presence of a hydrothermal system, many volcanoes output large quantities of heat through the transport of water from deep within the edifice to the surface. Th…
Machine learning-assisted techniques for Compton-background discrimination in Broad Energy Germanium (BEGe) detector
Giovanni Baccolo, Andrea Barresi, Davide Chiesa +8
High Purity Germanium (HPGe) detectors are powerful detectors for gamma-ray spectroscopy. The sensitivity to low-intensity gamma-ray peaks is often hindered by the presence of Comp…
Nonlinear Behavior of Josephson Traveling Wave Parametric Amplifiers
Claudio Guarcello, Felix Ahrens, Guerino Avallone +40
Recent advancements in quantum technologies and advanced detection experiments have underscored the pressing need for the detection of exceedingly weak signals within the microwave…
Enhanced feature encoding and classification on distributed quantum hardware
Roberto Moretti, Andrea Giachero, Voica Radescu +1
The steady progress of quantum hardware is motivating the search for novel quantum algorithm optimization strategies for near-term, real-world applications. In this study, we propo…
Assessment of few-hits machine learning classification algorithms for low energy physics in liquid argon detectors
Roberto Moretti, Marco Rossi, Matteo Biassoni +6
The physics potential of massive liquid argon TPCs in the low-energy regime is still to be fully reaped because few-hits events encode information that can hardly be exploited by c…
High kinetic inductance NbTiN films for quantum limited travelling wave parametric amplifiers
Federica Mantegazzini, Felix Ahrens, Matteo Borghesi +13
A wide-bandwidth and low-noise amplification chain in the microwave regime is crucial for the efficient read-out of quantum systems based on superconducting detectors, such as Micr…