Evaluation of Self-Field Effects in Magnetometers Based on Meander-Shaped Arrays of Josephson Junctions or SQUIDs Connected in Series

Autor: Denis Crété, Julien Kermorvant, Yves Lemaître, Bruno Marcilhac, Salvatore Mesoraca, Juan Trastoy, Christian Ulysse

Publikováno v: Micromachines, Vol 12, Iss 12, p 1588 (2021)

Arrays of superconducting quantum interference devices (SQUIDs) are highly sensitive magnetometers that can operate without a flux-locked loop, as opposed to single SQUID magnetometers. They have no source of ambiguity and benefit from a larger bandw

Externí odkaz: https://doaj.org/article/56031b7135ae406b92333429c1fea86e

Evaluation of Josephson Junction Parameter Dispersion Effects in Arrays of HTS SQUIDs

Autor: Yves Lemaître, Christian Ulysse, Elodie Parzy, Eliana Recoba Pawlowski, D. G. Crete, Julien Kermorvant, Eric Thiaudière, Amacoumba Sène, Bruno Marcilhac, Aimé Labbé

Publikováno v: IEEE Transactions on Applied Superconductivity. 28:1-6

We report on the experimental evaluation of dispersion effects on superconducting quantum interference device (SQUID) arrays made with high-temperature superconductor technology. The dispersion of Josephson junction parameters not only results in dif

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0959c9a0601a96b984778258d7be7b74
https://doi.org/10.1109/tasc.2018.2850825

High-Tc superconducting detector for highly-sensitive microwave magnetometry

Autor: Juan Trastoy, Christian Ulysse, Julien Kermorvant, Jerome Lesueur, Bruno Marcilhac, Denis Crété, Cheryl Feuillet-Palma, Yves Lemaître, F. Couëdo, Nicolas Bergeal, Eliana Recoba Pawlowski

We have fabricated arrays of High-T$_c$ Superconducting Quantum Interference Devices (SQUIDs) with randomly distributed loop sizes as sensitive antennas for Radio-Frequency (RF) waves. These sub-wavelength size devices known as Superconducting Quantu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9639111c47d5e082527f916ac28adf06

Low phase noise cryogenic amplifiers and oscillators based on superconducting resonators

Autor: Jean-Michel Hode, O. d'Allivy Kelly, B. Marcilhac, Olivier Llopis, Yves Lemaître, D. Chaudy

Publikováno v: IEEE International Frequency Control Symposium (IFCS 2018)
IEEE International Frequency Control Symposium (IFCS 2018), May 2018, Olympic Valley, CA, United States. 3p., ⟨10.1109/FCS.2018.8597508⟩

International audience; A cryogenic low phase noise amplifier and an high Q superconductor resonator at 1 GHz have been designed and realized. A good agreement between the measured and simulated data at 80 K for these two devices is observed. An all

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e21e410b140e33bc2eb1d3d4638b2577
https://hal.archives-ouvertes.fr/hal-01868407/document

Active devices choice and design of an all cryogenic superconductor resonator oscillator

Autor: B. Marcilhac, J.-M. Hode, O. daAllivy Kelly, Olivier Llopis, D. Chaudy, Yves Lemaître

Publikováno v: 2017 European Frequency and Time Forum & International Frequency Control Symposium (EFTF-IFCS 2017)
2017 European Frequency and Time Forum & International Frequency Control Symposium (EFTF-IFCS 2017), Jul 2017, Besançon, France. 4p

International audience; Several silicon-germanium bipolar transistors have been measured at cryogenic temperature regarding their gain and phase noise performance. The electrical model of the chosen device has been extracted. Using this model, the ph

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae59f4f62b37bbc0c1c8f23d8e8edf33
https://doi.org/10.1109/fcs.2017.8089050