Pascal Febvre
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View article: Influence of Noise on Josephson Junctions Dynamics With a BCS Theory-Based Model
Influence of Noise on Josephson Junctions Dynamics With a BCS Theory-Based Model Open
International audience
View article: Influence of noise on Josephson junctions dynamics with a BCS theory-based model
Influence of noise on Josephson junctions dynamics with a BCS theory-based model Open
We developed a weak-linked Josephson junction time-domain simulation tool based on the Bardeen-Cooper-Schrieffer (BCS) theory to account for the electrodynamics of Cooper pairs and quasiparticles in the presence of thermal noise. The model…
View article: Results From the ColdFlux Superconductor Integrated Circuit Design Tool Project
Results From the ColdFlux Superconductor Integrated Circuit Design Tool Project Open
International audience
View article: Possible observation of Leggett-like modes in a coherent two-phase medium
Possible observation of Leggett-like modes in a coherent two-phase medium Open
Spontaneous symmetry breaking is a ubiquitous phenomenon in physics responsible for various collective modes. Collective excitations predicted by Leggett in 1966 are specific for multiband superfluids and reflect oscillations of the relati…
View article: Time-Domain Simulator of Josephson Junctions Based on the BCS Theory
Time-Domain Simulator of Josephson Junctions Based on the BCS Theory Open
International audience
View article: Time-domain simulator of Josephson junctions based on the BCS theory
Time-domain simulator of Josephson junctions based on the BCS theory Open
We realized a time-domain simulator based on the electrodynamics of Cooper pairs and quasiparticles in Josephson junctions. The tool, based on the charge carriers' densities of states described by the Werthamer and Harris formalisms of Bar…
View article: Superconductor modulation circuits for Qubit control at microwave frequencies
Superconductor modulation circuits for Qubit control at microwave frequencies Open
Readout and control of qubits are limiting factors in scaling quantum computers. An ideal solution is to integrate energy-efficient cryogenic circuits close to the qubits to perform control and pre-processing tasks. With orders of magnitud…
View article: [INVITED] Recent advances in the design of digital and mixed-signal superconducting circuits and sensors
[INVITED] Recent advances in the design of digital and mixed-signal superconducting circuits and sensors Open
présentation orale
View article: Accurate Small Signal Simulation of Superconductor Interconnects in SPICE
Accurate Small Signal Simulation of Superconductor Interconnects in SPICE Open
International audience
View article: Study of Microwave Resonances Induced by Bias Lines of Shunted Josephson Junctions
Study of Microwave Resonances Induced by Bias Lines of Shunted Josephson Junctions Open
Bias lines routed over a ground plane naturally form microstrip lines associated with the presence of a capacitance. This can lead to unwanted resonances when coupled to Josephson junctions. This work presents an electrical model of a shun…
View article: Submicron-sized MoRe-doped Si-MoRe Josephson junctions with a low specific capacitance
Submicron-sized MoRe-doped Si-MoRe Josephson junctions with a low specific capacitance Open
We start with a short look at the problem of low-capacitance Josephson junctions, its history, and actual state-of-the-art. It is argued that such devices are important for applications requiring nonhysteretic current-voltage characteristi…
View article: Low-Capacitance Josephson Junctions
Low-Capacitance Josephson Junctions Open
The Josephson effect, as an example of a macroscopic quantum phenomenon, reveals itself in the three-layer heterostructures formed by two superconductors coupled by a weak link that usually consists of a 1–2 nm-thick insulating barrier. Th…
View article: Study of microwave resonances induced by bias lines of shunted Josephson\n junctions
Study of microwave resonances induced by bias lines of shunted Josephson\n junctions Open
Bias lines routed over a ground plane naturally form microstrip lines\nassociated with the presence of a capacitance. This can lead to unwanted\nresonances when coupled to Josephson junctions. This work presents an\nelectrical model of a s…
View article: Negative differential conductance in MoRe-Si(W)-MoRe junctions
Negative differential conductance in MoRe-Si(W)-MoRe junctions Open
International audience
View article: Investigating a Discrete Model of Memristive Systems
Investigating a Discrete Model of Memristive Systems Open
International audience
View article: Static Analysis to Predict Behaviour of Bi-SQUIDs in External Magnetic Field
Static Analysis to Predict Behaviour of Bi-SQUIDs in External Magnetic Field Open
International audience
View article: Experimental Study and Time-domain Analysis of Microwave Resonances of a Transformer-coupled DC SQUID at Different Temperatures
Experimental Study and Time-domain Analysis of Microwave Resonances of a Transformer-coupled DC SQUID at Different Temperatures Open
International audience
View article: ColdFlux Superconducting EDA and TCAD Tools Project: Overview and Progress
ColdFlux Superconducting EDA and TCAD Tools Project: Overview and Progress Open
International audience
View article: Dissipation effects in superconducting heterostructures with tungsten nanorods as weak links
Dissipation effects in superconducting heterostructures with tungsten nanorods as weak links Open
Thin-film hybrid heterostructures formed by superconducting molybdenum-rhenium-alloy films with a critical temperature of about 9 K and nanoscale silicon-based semiconducting interlayers with metallic tungsten nanorods have been fabricated…
View article: HTS Josephson junctions arrays for high-frequency mixing
HTS Josephson junctions arrays for high-frequency mixing Open
International audience
View article: Charge Transport in Superconducting Heterostructures MoRe-Si(W)-MoRe with a Hybrid Semiconducting Barrier with Metallic Nanoclusters
Charge Transport in Superconducting Heterostructures MoRe-Si(W)-MoRe with a Hybrid Semiconducting Barrier with Metallic Nanoclusters Open
poster presentation
View article: Analysis of a Shielding Approach for Magnetic Field Tolerant SFQ Circuits
Analysis of a Shielding Approach for Magnetic Field Tolerant SFQ Circuits Open
International audience
View article: Influence of the Superconducting Ground Plane on the Performance of RSFQ Cells
Influence of the Superconducting Ground Plane on the Performance of RSFQ Cells Open
International audience
View article: Ion-irradiated YBa$_2$Cu$_3$O$_7$ Josephson arrays
Ion-irradiated YBa$_2$Cu$_3$O$_7$ Josephson arrays Open
We designed, fabricated and tested short one dimensional arrays of masked ion-irradiated YBa$_2$Cu$_3$O$_7$ Josephson junctions (JJ) embedded into log-periodic spiral antennas. Our arrays consist of 4 or 8 junctions separated either by 960…
View article: A small size monopole UWB antenna used for short distance wireless baseband transmission at high data rate
A small size monopole UWB antenna used for short distance wireless baseband transmission at high data rate Open
poster presentation
View article: Phase-Slip Events in a Wide Superconducting Film Induced by Proximity to a Half-Metallic Strip
Phase-Slip Events in a Wide Superconducting Film Induced by Proximity to a Half-Metallic Strip Open
International audience