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</div> <div class="control"> <button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2403.01597">arXiv:2403.01597</a> <span> [<a href="https://arxiv.org/pdf/2403.01597">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Superconductivity">cond-mat.supr-con</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Mesoscale and Nanoscale Physics">cond-mat.mes-hall</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1109/TASC.2024.3367615">10.1109/TASC.2024.3367615 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Nonlinear Behavior of Josephson Traveling Wave Parametric Amplifiers </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/cond-mat?searchtype=author&query=Guarcello%2C+C">Claudio Guarcello</a>, <a href="/search/cond-mat?searchtype=author&query=Ahrens%2C+F">Felix Ahrens</a>, <a href="/search/cond-mat?searchtype=author&query=Avallone%2C+G">Guerino Avallone</a>, <a href="/search/cond-mat?searchtype=author&query=Barone%2C+C">Carlo Barone</a>, <a href="/search/cond-mat?searchtype=author&query=Borghesi%2C+M">Matteo Borghesi</a>, <a href="/search/cond-mat?searchtype=author&query=Callegaro%2C+L">Luca Callegaro</a>, <a href="/search/cond-mat?searchtype=author&query=Carapella%2C+G">Giovanni Carapella</a>, <a href="/search/cond-mat?searchtype=author&query=Caricato%2C+A+P">Anna Paola Caricato</a>, <a href="/search/cond-mat?searchtype=author&query=Carusotto%2C+I">Iacopo Carusotto</a>, <a href="/search/cond-mat?searchtype=author&query=Cian%2C+A">Alessandro Cian</a>, <a href="/search/cond-mat?searchtype=author&query=D%27Elia%2C+A">Alessandro D'Elia</a>, <a href="/search/cond-mat?searchtype=author&query=Di+Gioacchino%2C+D">Daniele Di Gioacchino</a>, <a href="/search/cond-mat?searchtype=author&query=Enrico%2C+E">Emanuele Enrico</a>, <a href="/search/cond-mat?searchtype=author&query=Falferi%2C+P">Paolo Falferi</a>, <a href="/search/cond-mat?searchtype=author&query=Fasolo%2C+L">Luca Fasolo</a>, <a href="/search/cond-mat?searchtype=author&query=Faverzani%2C+M">Marco Faverzani</a>, <a href="/search/cond-mat?searchtype=author&query=Ferri%2C+E">Elena Ferri</a>, <a href="/search/cond-mat?searchtype=author&query=Filatrella%2C+G">Giovanni Filatrella</a>, <a href="/search/cond-mat?searchtype=author&query=Gatti%2C+C">Claudio Gatti</a>, <a href="/search/cond-mat?searchtype=author&query=Giachero%2C+A">Andrea Giachero</a>, <a href="/search/cond-mat?searchtype=author&query=Giubertoni%2C+D">Damiano Giubertoni</a>, <a href="/search/cond-mat?searchtype=author&query=Granata%2C+V">Veronica Granata</a>, <a href="/search/cond-mat?searchtype=author&query=Leo%2C+A">Angelo Leo</a>, <a href="/search/cond-mat?searchtype=author&query=Labranca%2C+D">Danilo Labranca</a>, <a href="/search/cond-mat?searchtype=author&query=Ligi%2C+C">Carlo Ligi</a> , et al. (18 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2403.01597v1-abstract-short" style="display: inline;"> Recent advancements in quantum technologies and advanced detection experiments have underscored the pressing need for the detection of exceedingly weak signals within the microwave frequency spectrum. Addressing this challenge, the Josephson Traveling Wave Parametric Amplifier (JTWPA) has been proposed as a cryogenic front-end amplifier capable of approaching the quantum noise limit while providin… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2403.01597v1-abstract-full').style.display = 'inline'; document.getElementById('2403.01597v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2403.01597v1-abstract-full" style="display: none;"> Recent advancements in quantum technologies and advanced detection experiments have underscored the pressing need for the detection of exceedingly weak signals within the microwave frequency spectrum. Addressing this challenge, the Josephson Traveling Wave Parametric Amplifier (JTWPA) has been proposed as a cryogenic front-end amplifier capable of approaching the quantum noise limit while providing a relevant bandwidth. This research is centered on a comprehensive numerical investigation of the JTWPA, without resorting to simplifications regarding the nonlinearity of the essential components. Specifically, this study focuses on a thorough examination of the system, characterized by coupled nonlinear differential equations representing all components of the device. Proper input and output signals at the device's boundaries are considered. The analysis of the output signals undergoing the parametric amplification process involves a detailed exploration of phase-space dynamics and Fourier spectral analysis of the output voltage. This study is conducted while considering the parameters ruling the response of the device under pump and signal excitations. In addition to the expected signal amplification, the findings reveal that the nonlinear nature of the system can give rise to unforeseen phenomena, depending on the system's operational conditions, which include: the generation of pump tone harmonics, modulation of the signal gain, and incommensurate frequency generation-effects that are not easily accommodated by simplistic linearized approaches <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2403.01597v1-abstract-full').style.display = 'none'; document.getElementById('2403.01597v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 March, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 4 figures, DARTWARS project - INFN (Italy)</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> IEEE TAS, 34 (3), 1, 1701105 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2401.12702">arXiv:2401.12702</a> <span> [<a href="https://arxiv.org/pdf/2401.12702">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Optics">physics.optics</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Mesoscale and Nanoscale Physics">cond-mat.mes-hall</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1021/acsnano.2c11016">10.1021/acsnano.2c11016 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Imaging of Antiferroelectric Dark Modes in an Inverted Plasmonic Lattice </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/cond-mat?searchtype=author&query=Alvarez%2C+J+R">Javier Rodriguez Alvarez</a>, <a href="/search/cond-mat?searchtype=author&query=Labarta%2C+A">Amilcar Labarta</a>, <a href="/search/cond-mat?searchtype=author&query=Idrobo%2C+J+C">Juan Carlos Idrobo</a>, <a href="/search/cond-mat?searchtype=author&query=Anna%2C+R+D">Rossana Dell Anna</a>, <a href="/search/cond-mat?searchtype=author&query=Cian%2C+A">Alessandro Cian</a>, <a href="/search/cond-mat?searchtype=author&query=Giubertoni%2C+D">Damiano Giubertoni</a>, <a href="/search/cond-mat?searchtype=author&query=Borrise%2C+X">Xavier Borrise</a>, <a href="/search/cond-mat?searchtype=author&query=Guerrero%2C+A">Albert Guerrero</a>, <a href="/search/cond-mat?searchtype=author&query=Murano%2C+F+P">Francesc Perez Murano</a>, <a href="/search/cond-mat?searchtype=author&query=Rodriguez%2C+A+F">Arantxa Fraile Rodriguez</a>, <a href="/search/cond-mat?searchtype=author&query=Batlle%2C+X">Xavier Batlle</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2401.12702v1-abstract-short" style="display: inline;"> Plasmonic lattice nanostructures are of technological interest because of their capacity to manipulate light below the diffraction limit. Here, we present a detailed study of dark and bright modes in the visible and near-infrared energy regime of an inverted plasmonic honeycomb lattice by a combination of Au+ focused ion beam lithography with nanometric resolution, optical and electron spectroscop… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2401.12702v1-abstract-full').style.display = 'inline'; document.getElementById('2401.12702v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2401.12702v1-abstract-full" style="display: none;"> Plasmonic lattice nanostructures are of technological interest because of their capacity to manipulate light below the diffraction limit. Here, we present a detailed study of dark and bright modes in the visible and near-infrared energy regime of an inverted plasmonic honeycomb lattice by a combination of Au+ focused ion beam lithography with nanometric resolution, optical and electron spectroscopy, and finite-difference time-domain simulations. The lattice consists of slits carved in a gold thin film, exhibiting hotspots and a set of bright and dark modes. We proposed that some of the dark modes detected by electron energy-loss spectroscopy are caused by antiferroelectric arrangements of the slit polarizations with two times the size of the hexagonal unit cell. The plasmonic resonances take place within the 0.5_2 eV energy range, indicating that they could be suitable for a synergistic coupling with excitons in two-dimensional transition metal dichalcogenides materials or for designing nanoscale sensing platforms based on near-field enhancement over a metallic surface. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2401.12702v1-abstract-full').style.display = 'none'; document.getElementById('2401.12702v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 January, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> ACS Nano 17 (2023) 8123 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2208.10101">arXiv:2208.10101</a> <span> [<a href="https://arxiv.org/pdf/2208.10101">pdf</a>, <a href="https://arxiv.org/format/2208.10101">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Superconductivity">cond-mat.supr-con</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2022.167745">10.1016/j.nima.2022.167745 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Progress in the development of a KITWPA for the DARTWARS project </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/cond-mat?searchtype=author&query=Borghesi%2C+M">M. Borghesi</a>, <a href="/search/cond-mat?searchtype=author&query=Barone%2C+C">C. Barone</a>, <a href="/search/cond-mat?searchtype=author&query=Capelli%2C+S">S. Capelli</a>, <a href="/search/cond-mat?searchtype=author&query=Carapella%2C+G">G. Carapella</a>, <a href="/search/cond-mat?searchtype=author&query=Caricato%2C+A+P">A. P. Caricato</a>, <a href="/search/cond-mat?searchtype=author&query=Carusotto%2C+I">I. Carusotto</a>, <a href="/search/cond-mat?searchtype=author&query=Cian%2C+A">A. Cian</a>, <a href="/search/cond-mat?searchtype=author&query=Di+Gioacchino%2C+D">D. Di Gioacchino</a>, <a href="/search/cond-mat?searchtype=author&query=Enrico%2C+E">E. Enrico</a>, <a href="/search/cond-mat?searchtype=author&query=Falferi%2C+P">P. Falferi</a>, <a href="/search/cond-mat?searchtype=author&query=Fasolo%2C+L">L. Fasolo</a>, <a href="/search/cond-mat?searchtype=author&query=Faverzani%2C+M">M. Faverzani</a>, <a href="/search/cond-mat?searchtype=author&query=Ferri%2C+E">E. Ferri</a>, <a href="/search/cond-mat?searchtype=author&query=Filatrella%2C+G">G. Filatrella</a>, <a href="/search/cond-mat?searchtype=author&query=Gatti%2C+C">C. Gatti</a>, <a href="/search/cond-mat?searchtype=author&query=Giachero%2C+A">A. Giachero</a>, <a href="/search/cond-mat?searchtype=author&query=Giubertoni%2C+D">D. Giubertoni</a>, <a href="/search/cond-mat?searchtype=author&query=Granata%2C+V">V. Granata</a>, <a href="/search/cond-mat?searchtype=author&query=Greco%2C+A">A. Greco</a>, <a href="/search/cond-mat?searchtype=author&query=Guarcello%2C+C">C. Guarcello</a>, <a href="/search/cond-mat?searchtype=author&query=Labranca%2C+D">D. Labranca</a>, <a href="/search/cond-mat?searchtype=author&query=Leo%2C+A">A. Leo</a>, <a href="/search/cond-mat?searchtype=author&query=Ligi%2C+C">C. Ligi</a>, <a href="/search/cond-mat?searchtype=author&query=Maccarrone%2C+G">G. Maccarrone</a>, <a href="/search/cond-mat?searchtype=author&query=Mantegazzini%2C+F">F. Mantegazzini</a> , et al. (16 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2208.10101v2-abstract-short" style="display: inline;"> DARTWARS (Detector Array Readout with Traveling Wave AmplifieRS) is a three years project that aims to develop high-performing innovative Traveling Wave Parametric Amplifiers (TWPAs) for low temperature detectors and qubit readout (C-band). The practical development follows two different promising approaches, one based on the Josephson junctions (TWJPA) and the other one based on the kinetic induc… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2208.10101v2-abstract-full').style.display = 'inline'; document.getElementById('2208.10101v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2208.10101v2-abstract-full" style="display: none;"> DARTWARS (Detector Array Readout with Traveling Wave AmplifieRS) is a three years project that aims to develop high-performing innovative Traveling Wave Parametric Amplifiers (TWPAs) for low temperature detectors and qubit readout (C-band). The practical development follows two different promising approaches, one based on the Josephson junctions (TWJPA) and the other one based on the kinetic inductance of a high-resistivity superconductor (KITWPA). This paper presents the advancements made by the DARTWARS collaboration to produce a first working prototype of a KITWPA. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2208.10101v2-abstract-full').style.display = 'none'; document.getElementById('2208.10101v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 October, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 22 August, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">3 pages, 4 figures. Proceeding of Pisa15th Meeting conference</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2111.01512">arXiv:2111.01512</a> <span> [<a href="https://arxiv.org/pdf/2111.01512">pdf</a>, <a href="https://arxiv.org/format/2111.01512">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Superconductivity">cond-mat.supr-con</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/s10909-022-02809-6">10.1007/s10909-022-02809-6 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Detector Array Readout with Traveling Wave Amplifiers </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/cond-mat?searchtype=author&query=Giachero%2C+A">A. Giachero</a>, <a href="/search/cond-mat?searchtype=author&query=Barone%2C+C">C. Barone</a>, <a href="/search/cond-mat?searchtype=author&query=Borghesi%2C+M">M. Borghesi</a>, <a href="/search/cond-mat?searchtype=author&query=Carapella%2C+G">G. Carapella</a>, <a href="/search/cond-mat?searchtype=author&query=Caricato%2C+A+P">A. P. Caricato</a>, <a href="/search/cond-mat?searchtype=author&query=Carusotto%2C+I">I. Carusotto</a>, <a href="/search/cond-mat?searchtype=author&query=Chang%2C+W">W. Chang</a>, <a href="/search/cond-mat?searchtype=author&query=Cian%2C+A">A. Cian</a>, <a href="/search/cond-mat?searchtype=author&query=Di+Gioacchino%2C+D">D. Di Gioacchino</a>, <a href="/search/cond-mat?searchtype=author&query=Enrico%2C+E">E. Enrico</a>, <a href="/search/cond-mat?searchtype=author&query=Falferi%2C+P">P. Falferi</a>, <a href="/search/cond-mat?searchtype=author&query=Fasolo%2C+L">L. Fasolo</a>, <a href="/search/cond-mat?searchtype=author&query=Faverzani%2C+M">M. Faverzani</a>, <a href="/search/cond-mat?searchtype=author&query=Ferri%2C+E">E. Ferri</a>, <a href="/search/cond-mat?searchtype=author&query=Filatrella%2C+G">G. Filatrella</a>, <a href="/search/cond-mat?searchtype=author&query=Gatti%2C+C">C. Gatti</a>, <a href="/search/cond-mat?searchtype=author&query=Giubertoni%2C+D">D. Giubertoni</a>, <a href="/search/cond-mat?searchtype=author&query=Greco%2C+A">A. Greco</a>, <a href="/search/cond-mat?searchtype=author&query=Kutlu%2C+C">C. Kutlu</a>, <a href="/search/cond-mat?searchtype=author&query=Leo%2C+A">A. Leo</a>, <a href="/search/cond-mat?searchtype=author&query=Ligi%2C+C">C. Ligi</a>, <a href="/search/cond-mat?searchtype=author&query=Maccarrone%2C+G">G. Maccarrone</a>, <a href="/search/cond-mat?searchtype=author&query=Margesin%2C+B">B. Margesin</a>, <a href="/search/cond-mat?searchtype=author&query=Maruccio%2C+G">G. Maruccio</a>, <a href="/search/cond-mat?searchtype=author&query=Matlashov%2C+A">A. Matlashov</a> , et al. (13 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2111.01512v1-abstract-short" style="display: inline;"> 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, the next-generation x-ray observatory, the CMB measurement, the dark matter and axion detection, and the rapid high-fidelity readout of superconducting qubits. The read out sensitivity of arrays of microcalorimeter dete… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.01512v1-abstract-full').style.display = 'inline'; document.getElementById('2111.01512v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2111.01512v1-abstract-full" style="display: none;"> 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, the next-generation x-ray observatory, the CMB measurement, the dark matter and axion detection, and the rapid high-fidelity readout of superconducting qubits. The read out sensitivity of arrays of microcalorimeter detectors, resonant axion-detectors, and qubits, is currently limited by the noise temperature and bandwidth of the cryogenic amplifiers. The DARTWARS (Detector Array Readout with Traveling Wave AmplifieRS) project has the goal of developing high-performing innovative traveling wave parametric amplifiers (TWPAs) with a high gain, a high saturation power, and a quantum-limited or nearly quantum-limited noise. The practical development follows two different promising approaches, one based on the Josephson junctions and the other one based on the kinetic inductance of a high-resistivity superconductor. In this contribution we present the aims of the project, the adopted design solutions and preliminary results from simulations and measurements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.01512v1-abstract-full').style.display = 'none'; document.getElementById('2111.01512v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 November, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2021. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2109.14924">arXiv:2109.14924</a> <span> [<a href="https://arxiv.org/pdf/2109.14924">pdf</a>, <a href="https://arxiv.org/format/2109.14924">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Superconductivity">cond-mat.supr-con</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1109/TASC.2022.3148692">10.1109/TASC.2022.3148692 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Bimodal Approach for Noise Figures of Merit Evaluation in Quantum-Limited Josephson Traveling Wave Parametric Amplifiers </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/cond-mat?searchtype=author&query=Fasolo%2C+L">L. Fasolo</a>, <a href="/search/cond-mat?searchtype=author&query=Barone%2C+C">C. Barone</a>, <a href="/search/cond-mat?searchtype=author&query=Borghesi%2C+M">M. Borghesi</a>, <a href="/search/cond-mat?searchtype=author&query=Carapella%2C+G">G. Carapella</a>, <a href="/search/cond-mat?searchtype=author&query=Caricato%2C+A+P">A. P. Caricato</a>, <a href="/search/cond-mat?searchtype=author&query=Carusotto%2C+I">I. Carusotto</a>, <a href="/search/cond-mat?searchtype=author&query=Chung%2C+W">W. Chung</a>, <a href="/search/cond-mat?searchtype=author&query=Cian%2C+A">A. Cian</a>, <a href="/search/cond-mat?searchtype=author&query=Di+Gioacchino%2C+D">D. Di Gioacchino</a>, <a href="/search/cond-mat?searchtype=author&query=Enrico%2C+E">E. Enrico</a>, <a href="/search/cond-mat?searchtype=author&query=Falferi%2C+P">P. Falferi</a>, <a href="/search/cond-mat?searchtype=author&query=Faverzani%2C+M">M. Faverzani</a>, <a href="/search/cond-mat?searchtype=author&query=Ferri%2C+E">E. Ferri</a>, <a href="/search/cond-mat?searchtype=author&query=Filatrella%2C+G">G. Filatrella</a>, <a href="/search/cond-mat?searchtype=author&query=Gatti%2C+C">C. Gatti</a>, <a href="/search/cond-mat?searchtype=author&query=Giachero%2C+A">A. Giachero</a>, <a href="/search/cond-mat?searchtype=author&query=Giubertoni%2C+D">D. Giubertoni</a>, <a href="/search/cond-mat?searchtype=author&query=Greco%2C+A">A. Greco</a>, <a href="/search/cond-mat?searchtype=author&query=Kutlu%2C+C">C. Kutlu</a>, <a href="/search/cond-mat?searchtype=author&query=Leo%2C+A">A. Leo</a>, <a href="/search/cond-mat?searchtype=author&query=Ligi%2C+C">C. Ligi</a>, <a href="/search/cond-mat?searchtype=author&query=Livreri%2C+P">P. Livreri</a>, <a href="/search/cond-mat?searchtype=author&query=Maccarrone%2C+G">G. Maccarrone</a>, <a href="/search/cond-mat?searchtype=author&query=Margesin%2C+B">B. Margesin</a>, <a href="/search/cond-mat?searchtype=author&query=Maruccio%2C+G">G. Maruccio</a> , et al. (15 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2109.14924v2-abstract-short" style="display: inline;"> The advent of ultra-low noise microwave amplifiers revolutionized several research fields demanding quantum-limited technologies. Exploiting a theoretical bimodal description of a linear phase-preserving amplifier, in this contribution we analyze some of the intrinsic properties of a model architecture (i.e., an rf-SQUID based Josephson Traveling Wave Parametric Amplifier) in terms of amplificatio… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2109.14924v2-abstract-full').style.display = 'inline'; document.getElementById('2109.14924v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2109.14924v2-abstract-full" style="display: none;"> The advent of ultra-low noise microwave amplifiers revolutionized several research fields demanding quantum-limited technologies. Exploiting a theoretical bimodal description of a linear phase-preserving amplifier, in this contribution we analyze some of the intrinsic properties of a model architecture (i.e., an rf-SQUID based Josephson Traveling Wave Parametric Amplifier) in terms of amplification and noise generation for key case study input states (Fock and coherents). Furthermore, we present an analysis of the output signals generated by the parametric amplification mechanism when thermal noise fluctuations feed the device. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2109.14924v2-abstract-full').style.display = 'none'; document.getElementById('2109.14924v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 29 December, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 30 September, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 6 figures</span> </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a 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