Publications

• Communication dans un congrès

Terahertz Emissions from Optically Excited Plasma Oscillations in HEMTs

Jérémie Torres, Frédéric Teppe, Philippe Nouvel, Stéphane Boubanga-Tombet, Amine El Moutaouakil, Dominique Coquillat, Nina Dyakonova, Christophe Palermo, Wojciech Knap, Luca Varani, Taiichi Otsuji, Evgeni Starikov, Pavel Shiktorov, Viktoras Gružinskis, Yannick Roelens, Andrey Shchepetov, Sylvain Bollaert

17th International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures, Umesh Mishra; Stephen M. Goodnick, Jul 2011, Santa Barbara, United States. ⟨hal-02455732⟩

• Thèse

Mise en oeuvre d'architectures de transcodage vidéo H.264/AVC et SVC, Implementation of H.264/AVC and SVC transrating architectures

Christophe Deknudt

Les travaux présentés dans ce manuscrit de thèse se sont déroulés majoritairement dans le cadre du projet TOSCANE dont l’objectif était d’optimiser les transmissions de flux vidéo haute définition (HD). Pour cela, deux types d’architectures de transcodage à complexité réduite des flux H.264/AVC…, The works presented in this thesis are mainly part of the French ANR TOSCANE project which aims to optimize high definition video transmission. We propose two types of low complexity transrating architectures for H.264/AVC streams to adapt video bitrate to channel bandwidth. The first transrating…

Sciences de l'ingénieur [physics]. Université de Valenciennes et du Hainaut-Cambrésis, 2011. Français. ⟨NNT : 2011VALE0012⟩. ⟨hal-00799450⟩

• Communication dans un congrès

Investigation of the negative differential resistance reproducibility in AlN/GaN double barrier resonant tunneling diodes in DC operation

Mohamed Boucherit, Ali Soltani, D. Deresmes, Maxime Berthe, Eva Monroy, Michel Rousseau, Jean-Claude de Jaeger

AlN/GaN double-barrier resonant tunnelling diodes were grown by molecular beam epitaxy on GaN/sapphire template and processed into mesa diameters from 2 μm to 4 μm. The current-voltage characteristics were carried out in direct current operation and under-high vacuum. A sharp negative differential…

9th International Conference on Nitride Semiconductors, ICNS-9, Jul 2011, Glasgow, United Kingdom. ⟨hal-00807608⟩

• Article dans une revue

Efficient photogeneration of charge carriers in silicon nanowires with a radial doping gradient

D.H.K. Murthy, T. Xu, W. H. Chen, J. Houtepen A., T.J. Savenije, L.D.A. Siebbeles, J.P. Nys, Christophe Krzeminski, B. Grandidier, Didier Stiévenard, Philippe Pareige, F. Jomard, Gilles Patriache, O.I. Lebedev

From electrodeless time-resolved microwave conductivity measurements, the efficiency of charge carrier generation, their mobility, and decay kinetics on photo-excitation were studied in arrays of Si nanowires grown by the vapor-liquid-solid mechanism. A large enhancement in the magnitude of the…

Nanotechnology, 2011, 22 (31), pp.315710. ⟨10.1088/0957-4484/22/31/315710⟩. ⟨hal-00603527⟩

• Article dans une revue

Fluorescent molecular nanocrystals anchored in sol-gel thin films: a label-free signalization function for biosensing applications

Emilie Dubuisson, Sabine Szunerits, Maria Bacia, Robert Bernard Pansu, Alain Ibanez

A DNA sensor based on highly fluorescent and photostable molecular nanocrystals has been investigated. These nanocrystals are confined in a sol-gel thin film by a simple one-step process. After controlled dissolution of the sol-gel thin film layer-by-layer, nanocrystals emerge from the silicate…

New Journal of Chemistry, 2011, 35 (11), pp.2416-2421. ⟨10.1039/C1NJ20353C⟩. ⟨hal-00648206⟩

• Article dans une revue

One-dimensional magnonic circuits with size-tunable band gaps and selective transmission

B Djafari-Rouhani, H Al-Wahsh, Abdellatif Akjouj, Leonard Dobrzynski

Journal of Physics: Conference Series, 2011, 303, pp.012017. ⟨10.1088/1742-6596/303/1/012017⟩. ⟨hal-04070859⟩

• Communication dans un congrès

4.8 MHz AFM nanoprobes with capacitive transducers and batch-fabricated nanotips

Benjamin Walter, Estelle Mairiaux, M. Faucher, Zhuang Xiong, L. Buchaillot, Bernard Legrand

We report here on high resonance frequency AFM probes based on MEMS bulk mode resonators. They consist on silicon ring resonators with capacitive transducers vibrating in the in-plane elliptic mode. Nano-tips placed at the maximum of vibration are fabricated in batch process. After electrical and…

XXIème Congrès Général de la Société Française de Physique, SFP 2011, Jul 2011, Bordeaux, France. ⟨hal-00807202⟩

• Communication dans un congrès

Second-order modeling for Rayleigh flat fading channel estimation with Kalman filter

Laurent Ros, Eric Pierre Simon

This paper deals with channel estimation over flat fading Rayleigh channel with Jakes' Doppler spectrum. Many estimation algorithms exploit the time-domain correlation of the channel by employing Kalman Filter based on an approximation of the time-varying channel. A common method used in the…

DSP 2011 - 17th IEEE International Conference on Digital Signal Processing, Jul 2011, Corfou, Greece. 6 p. ⟨hal-00617586⟩

• Communication dans un congrès

Performance of an Optimal Receiver in the Presence of Alpha-Stable and Gaussian Noises

Hassan K. Khalil, Laurent Clavier, François Septier, Laurence Marsalle, Gwenaelle Castellan

This paper deals with the optimal (in the maximum likeli- hood sense) detection performance of binary transmission in a mixture of a Gaussian noise and an impulsive interference modeled as an alpha-stable process. The main contribution is in the Monte Carlo simulation that shows that the…

IEEE International Workshop on Statistical Signal Processing, Jun 2011, Nice, France. pp.205-208, ⟨10.1109/SSP.2011.5967762⟩. ⟨hal-00685920⟩

• Thèse

Dispositifs d'Affichage de Sensations Tactiles à Base de Microsystèmes Électro-Mécaniques (MEMS) Magnétiques : Conception, Réalisation et Tests, Tactile Display Devices Based on Magnetic Micro-Electro-Mechanical Systems (MEMS) : Conception, Elaboration and Characterization

Jérémy Streque

Les dispositifs de stimulation tactile sont des systèmes destinés à fournir un retour sensoriel à leurs utilisateurs. Ils enrichissent les interfaces homme-machine dans les applications de réalité virtuelle ou augmentée. Ce mémoire traite de l’apport des microsystèmes électromécaniques (MEMS)…, Tactile display devices are systems bound to provide a tactile feedback to their users. They improve human-machine interfaces in the fields of virtual or augmented reality. This report deals with the contribution of magnetically actuated micro-electro-mechanical systems (MEMS) to the elaboration of…

Autre. Ecole Centrale de Lille, 2011. Français. ⟨NNT : 2011ECLI0007⟩. ⟨tel-00697509⟩