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Affichage de 8431 à 8440 sur 16309

Communication dans un congrès

CBRAM devices as binary synapses for low-power stochastic neuromorphic systems: auditory (cochlea) and visual (retina) cognitive processing applications

M. Suri, O. Bichler, D. Querlioz, G. Palma, E. Vianello, D. Vuillaume, C. Gamrat, B. de Salvo

In this work, we demonstrate an original methodology to use Conductive-Bridge RAM (CBRAM) devices as binary synapses in low-power stochastic neuromorphic systems. A new circuit architecture, programming strategy and probabilistic STDP learning rule are proposed. We show, for the first time, how the…

IEEE International Electron Devices Meeting, Dec 2012, San Francisco, CA, United States. ⟨10.1109/IEDM.2012.6479017⟩. ⟨hal-00803088⟩

Communication dans un congrès

Extraction entre 40 MHz et 67 GHz de la permittivité complexe du KTa 0.65Nb0.35O3 déposé en couche mince

Gregory Houzet, Thierry Lacrevaz, Cédric Bermond, Arnaud Le Febvrier, Stephanie Deputier, Maryline Guilloux-Viry, Karine Blary, B. Fléchet

12e Journées Caractérisation Microondes et Matériaux,, Mar 2012, Chambéry, France. ⟨hal-01068623⟩

Communication dans un congrès

Experimental demonstration of waveguiding in honeycomb and square-lattice silicon photonic crystal membranes

Daniel Puerto, A. Griol, J.M. Escalante, Bahram Djafari-Rouhani, Yan Pennec, Vincent Laude, J.C. Beugnot, Alejandro Martínez

SPIE Conference on Photonic Crystal Materials and Devices X, Apr 2012, France. pp.84250X, ⟨10.1117/12.921689⟩. ⟨hal-00759374⟩

Communication dans un congrès

Phononic and photonic properties of a stubbed strip waveguide

Yan Pennec, Bahram Djafari-Rouhani, Mourad Oudich, Said El-Jallal, Josemaria Escala, Alejandro Martinez, Vincent Laude

Many studies have been devoted to the search of photonic and phononic band gaps, but relatively few works are dealing with the simultaneous control of phonons and photons. Phoxonic structures hold promises for the simultaneous confinement and tailoring of sound and light waves with potential…

ASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012, Symposium on Phononic Crystals and Acoustic Metamaterials, 2012, Houston, TX, United States. ⟨hal-00986895⟩

Article dans une revue

Light modulation in phoxonic nanocavities

Nikos Papanikolaou, I.E. Psarobas, N. Stefanou, Bahram Djafari-Rouhani, Bernard Bonello, Vincent Laude

We report on the occurrence of strong nonlinear acousto-optic interactions in phoxonic structures, that support, simultaneously, acoustic and optical localized resonant modes, under the influence of acoustic losses. Deploying a detailed theoretical investigation of the acousto-optic coupling in the…

Microelectronic Engineering, 2012, 90, pp.155-158. ⟨10.1016/j.mee.2011.04.069⟩. ⟨hal-00646833⟩

Article dans une revue

Highly sensitive terahertz spectroscopy in microsystem

Simon Laurette, A. Treizebre, Adil Elagli, Basak Hatirnaz, Renato Froidevaux, Frederic Affouard, Ludovic Duponchel, Bertrand Bocquet

We herein present a microfluidic system dedicated to THz spectroscopy of aqueous solutions. This device is able to reach a state of the art sensitivity of 5 mg mL<sup>−1</sup>, while requiring only small sample quantities and a low power source. Hydration of BSA, lysozyme and…

RSC Advances, 2012, RSC Advances, 2, pp.10064 - 10071. ⟨10.1039/C2RA21320F⟩. ⟨hal-00744914⟩

Communication dans un congrès

Indoor radio channel characterization at 60 GHz

Maríateresa Martínez Inglés, Juan Pascual García, José Víctor Rodríguez, José María Molina García-Pardo, Leandro Juan Llácer, Davy Gaillot, M. Lienard, Pierre Degauque

This TD presents a set of 10x10 MIMO measurements at 60GHz in an indoor environment. A theoretical and experimental analysis has been done by means of a 3D ray tracing tool and the high resolution parameter estimator RiMAX. Results show the complexity of modeling the radio channel at the mmW…

5th COST IC1004 Management Committee and Scientific Meeting, 2012, Bristol, United Kingdom. ⟨hal-00961446⟩