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Affichage de 3271 à 3280 sur 16271

Article dans une revue

Polarization control of THz emission using spin-reorientation transition in spintronic heterostructure

Dinar Khusyainov, Sergei Ovcharenko, Mikhail Gaponov, Arseniy Buryakov, Alexey Klimov, Nicolas Tiercelin, Philippe Pernod, Vadim Nozdrin, Elena Mishina, Alexander Sigov, Vladimir Preobrazhensky

Polarization of electromagnetic waves plays an extremely important role in interaction of radiation with matter. In particular, interaction of polarized waves with ordered matter strongly depends on orientation and symmetry of vibrations of chemical bonds in crystals. In quantum technologies, the…

Scientific Reports, 2021, 11 (1), pp.697. ⟨10.1038/s41598-020-80781-5⟩. ⟨hal-03110177⟩

Article dans une revue

SiGe HBTs and BiCMOS technology for present and future millimeter-wave system

Thomas Zimmer, Josef Bock, Fred Buchali, Pascal Chevalier, Michael Collisi, Bjorn Debaillie, Marina Deng, Philippe Ferrari, Sebastien Fregonese, Christophe Gaquière, Haitham Ghanem, Horst Hettrich, Alper Karakuzulu, Tim Maiwald, Marc Margalef-Rovira, Caroline Maye, Michael Moller, Anindya Mukherjee, Holger Rucker, Paulius Sakalas, Rolf Schmid, Karina Schneider, Karsten Schuh, Wolfgang Templ, Akshay Visweswaran, Thomas Zwick

This paper gives an overall picture from BiCMOS technologies up to THz systems integration, which were developed in the European Research project TARANTO. The European high performance BiCMOS technology platforms are presented, which have special advantages for addressing applications in the…

IEEE Journal of Microwaves, 2021, 1 (1), pp.288-298. ⟨10.1109/jmw.2020.3031831⟩. ⟨hal-03111157⟩

Communication dans un congrès

Model selection for support-vector machines through metaheuristic optimization algorithms

Oumeima Ghnimi, Sofiane Kharbech, Akram Belazi, Ammar Bouallegue

A machine learning algorithm aims at designing a mathematical model based on a given training data set. Generally, the built model has a set of parameters that need to be adjusted. Since the performance of a given model depends on its settings, the parameters have to be carefully chosen through a…

Thirteenth International Conference on Machine Vision, ICMV 2020, Session 6 - Artificial Intelligence and Intelligent Computing, SPIE, Nov 2020, Rome, Italy. pp.1160509, 59, ⟨10.1117/12.2587439⟩. ⟨hal-03449833⟩

Article dans une revue

SERS characterization of aggregated and isolated bacteria deposited on silver-based substrates

Cristina-Cassiana Andrei, Anne Moraillon, Eric Larquet, Monica Potara, Simion Astilean, Endre Jakab, Julie Bouckaert, Léa Rosselle, Nadia Skandrani, Rabah Boukherroub, Francois Ozanam, Sabine Szunerits, Anne Chantal Gouget-Laemmel

Surface-enhanced Raman scattering (SERS), based on the enhancement of the Raman signal of molecules positioned within a few nanometres from a structured metal surface, is ideally suited to provide bacterial-specific molecular fingerprints which can be used for analytical purposes. However, for some…

Analytical and Bioanalytical Chemistry, 2021, 413, pp.1417-1428. ⟨10.1007/s00216-020-03106-5⟩. ⟨hal-03044073⟩

Communication dans un congrès

Les systèmes neuroinspirés appliqués à la vision artificielle: pédagogie et interdisciplinarité

D. Henniquau, Christel Vanbesien, P. Falez, P. Devienne, Alexis Vlandas, A. Cappy, Virginie Hoel

Le traitement neuroinspiré de l’information et le domaine des neurobiosystèmes sont deux pans de la recherche à fort potentiel de développement. Appliquées au domaine de la vision artificielle, elles visent au développement de nouvelles applications comme la conception d’implants rétiniens et/ou de…

16emes journées pédagogiques du CNFM, JPCNFM’2021, Dec 2021, Saint-Malo, France. ⟨hal-03769589⟩

Chapitre d'ouvrage

Towards the use of flapping wing nano aerial vehicles

Sébastien Grondel, Mathieu Colin, Marie Zwingelstein, Sofiane Ghenna, Caroline Soyer, Eric Cattan, Olivier Thomas

In the last decade, the potential of Micro Aerial Vehicles (MAVs) has generated an enormous interest in this technology and numerous applications have therefore been proposed in military and civilian fields. More recently, researchers have begun to work on a new and miniaturized generation called…

Modern Technologies Enabling Safe and Secure UAV Operation in Urban Airspace, IOS Press, pp.52-63, 2021, 9781643681887. ⟨10.3233/NICSP210006⟩. ⟨hal-03541944⟩

Communication dans un congrès

Numerical modeling of a nonlinear resonant vibrometry experiment for crack imaging

Vladislav Aleshin, Ravi Verma, Kevin Truyaert

In this communication we describe an original approach to numerical modeling for acoustic waves in a solid structure with a crack. The method allows us simulating the conditions of a real acoustic experiment for non-destructive testing and damage visualization. The presence of damage, for instance…

2ème colloque du GdR MecaWave, Oct 2021, Oléron, France. ⟨hal-03680788⟩

Communication dans un congrès

Measurement of the V2I massive radio channel with the MaMIMOSA sounder in a suburban environment

Davy Gaillot, Pierre Laly, N Dahmouni, Gauthier Delbarre, M van den Bossche, G Vermeeren, E Tanghe, Eric Pierre Simon, W Joseph, L Martens, M. Lienard

This paper presents the first V2I channel sounding campaign with the real-time massive MIMO radio channel sounder named MaMIMOSA. This equipment has been jointly developed by ULille (FR) and UGhent (BE) for 5G V2X applications. The system is equipped with a massive 64-antenna array for Tx whereas…

15th European Conference on Antennas and Propagation, EuCAP2021, Mar 2021, Dusseldorf, Germany. ⟨10.23919/EuCAP51087.2021.9410994⟩. ⟨hal-03346229⟩

Article dans une revue

Bias Tunable Spectral Response of Nanocrystal Array in a Plasmonic Cavity

Tung Huu Dang, Angela Vasanelli, Yanko Todorov, Carlo Sirtori, Yoann Prado, Audrey Chu, Charlie Gréboval, Adrien Khalili, Herve Cruguel, Christophe Delerue, Gregory Vincent, Emmanuel Lhuillier

Nanocrystals (NCs) have gained considerable attention for their broadly tunable absorption from the UV to the THz range. Nevertheless, their optical features suffer from a lack of tunability once integrated into optoelectronic devices. Here, we show that tunable absorption with bias can be obtained…

Nano Letters, 2021, 21 (15), pp.6671-6677. ⟨10.1021/acs.nanolett.1c02193⟩. ⟨hal-03321716⟩

Article dans une revue

ESD mm-wave-circuit protection: 3-dB couplers

Marc Margalef-Rovira, Géraldine Pelletier, Vanessa Avramovic, Sylvie Lepilliet, Johan Bourgeat, Jean-Marc Duchamp, Manuel J. Barragan, Emmanuel Pistono, Sylvain Bourdel, Christophe Gaquière, Philippe Ferrari

This article presents an innovative architecture for the implementation of an electrostatic discharge (ESD) protection for millimeter-wave (mm-wave) devices. The proposed architecture is based on the use of 3-dB couplers, whose coupled outputs have been shorted to the ground node. In order to…

IEEE Transactions on Electron Devices, 2021, 68 (12), pp.5989-5994. ⟨10.1109/TED.2021.3115990⟩. ⟨hal-03371300⟩