18 citations · 79 across the 18 of their papers we have counts for
20 papers
Nonlinear Feedback in Josephson Circuit Optimization: Application to a Kerr-Reversal JTWPA
Emanuele Palumbo, Alessandro Alocco, Andrea Celotto +4
Optimizing Josephson-based nonlinear microwave devices is computationally demanding because the straightforward approach requires exploring broad circuit parameter spaces through e…
Traceable In Situ Microwave Power Measurement at the Cryogenic Device Plane in a Dilution Refrigerator
Paolo Panetta, Andrea Celotto, Alessandro Alocco +7
Accurate knowledge of the microwave power delivered to a cryogenic device under test (DUT) is essential for the characterization and operation of superconducting quantum circuits.…
Bose condensation and Bogoliubov excitation in resonator-embedded superconducting qubit network
Patrick Navez, Valentina Di Meo, Berardo Ruggiero +12
Superconducting qubit networks (SQNs) embedded in a low-dissipative resonator is a promising device allowing one not only to establish the collective quantum dynamics on a macrosco…
JCO: Optimization Framework for Nonlinear Superconducting Circuits Using a Lumped-Element Approach and Harmonic Balance
Emanuele Palumbo, Alessandro Alocco, Andrea Celotto +4
In this contribution we present JosephsonCircuitsOptimizer.jl (JCO), a simulation and optimization framework based on the JosephsonCircuits.jl library for Julia. It models supercon…
Programmable Microwave Cluster States via Josephson Metamaterials
A. Alocco, A. Celotto, E. Palumbo +5
Cluster states are a fundamental resource for continuous-variable quantum computing, enabling measurement-based protocols that can scale beyond the limitations of qubit-based archi…
Full Two-Port S-Parameters at mK Temperatures: a Calibration Strategy and Uncertainty Budget
Luca Oberto, Ehsan Shokrolahzade, Emanuele Enrico +7
This paper describes the developed setup and characterization approach for full two-port calibrated S-parameter measurements at cryogenic temperatures, together with a complete unc…
Towards Quantifying Two-Mode Correlation Linewidths in Quantum Circuits
Alessandro Alocco, Andrea Celotto, Luca Fasolo +7
This paper aims to quantify the linewidth of two-mode correlations in Traveling Wave Parametric Amplifiers (TWPAs). Artifacts induced by data acquisition and processing, such as wi…
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…
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…
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…
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…
Progress in the development of a KITWPA for the DARTWARS project
M. Borghesi, C. Barone, S. Capelli +38
DARTWARS (Detector Array Readout with Traveling Wave AmplifieRS) is a three years project that aims to develop high-performing innovative Traveling Wave Parametric Amplifiers (TWPA…
Ultra low noise readout with travelling wave parametric amplifiers: the DARTWARS project
A. Rettaroli, C. Barone, M. Borghesi +38
The DARTWARS project has the goal of developing high-performing innovative travelling wave parametric amplifiers with high gain, large bandwidth, high saturation power, and nearly…
Microwave Quantum Radar using a Josephson Traveling Wave Parametric Amplifier
Patrizia Livreri, Emanuele Enrico, Luca Fasolo +6
Detection of low-reflectivity objects can be improved by the so-called quantum illumination procedure. However, quantum detection probability exponentially decays with the source b…
Detector Array Readout with Traveling Wave Amplifiers
A. Giachero, C. Barone, M. Borghesi +35
Noise at the quantum limit over a large bandwidth is a fundamental requirement for future applications operating at millikelvin temperatures, such as the neutrino mass measurement,…
Flux pumping of Cooper pairs through a Josephson Energy-Suppression Pump
Angelo Greco, Luca Fasolo, Vito Marino +1
In this paper, we propose a novel kind of Josephson-Energy Suppression Pump (JESP) controlled by a fully magnetic flux drive. The device presented here is composed of two supercond…
Bimodal Approach for Noise Figures of Merit Evaluation in Quantum-Limited Josephson Traveling Wave Parametric Amplifiers
L. Fasolo, C. Barone, M. Borghesi +37
The advent of ultra-low noise microwave amplifiers revolutionized several research fields demanding quantum-limited technologies. Exploiting a theoretical bimodal description of a…
Josephson Traveling Wave Parametric Amplifiers as Non-Classical Light Source for Microwave Quantum Illumination
Luca Fasolo, Angelo Greco, Emanuele Enrico +4
Detection of low-reflectivity objects can be enriched via the so-called quantum illumination procedure. In order that this quantum procedure outperforms classical detection protoco…
A quantum model for rf-SQUIDs based metamaterials enabling 3WM and 4WM Travelling Wave Parametric Amplification
Angelo Greco, Luca Fasolo, Alice Meda +2
A quantum model for Josephson-based metamaterials working in the Three-Wave Mixing (3WM) and Four-Wave Mixing (4WM) regimes at the single-photon level is presented. The transmissio…
Superconducting Josephson-based metamaterials for quantum-limited parametric amplification: a review
Luca Fasolo, Angelo Greco, Emanuele Enrico
In the last few years, several groups have proposed and developed their own platforms demonstrating quantum-limited linear parametric amplification, with evident applications in qu…