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Communication dans un congrès

Effects of Enhanced Image Quality in Infrastructure Monitoring through Micro Aerial Vehicle Stabilization

Chung-Hsin Kuo, Sébastien Kanlanjan, Louis Pagès, Hanadi Menzel, Sascha Power, Chen-Ming Kuo, Christian Boller, Sébastien Grondel

Traditional monitoring of large infrastructure such as towers of churches or for cooling, chimneys or any other type of tall buildings can require extreme effort and hence become very risky and costly since it mainly requires people to be moved around. An interesting alternative in that regard is…

EWSHM - 7th European Workshop on Structural Health Monitoring, IFFSTTAR, Inria, Université de Nantes, Jul 2014, Nantes, France. ⟨hal-01020419⟩

Communication dans un congrès

Fabrication and characterization of 2D phononic crystals based on lithium niobate substrate and nickel pillars

Yu Du, Abdelkrim Talbi, Jean-Claude Gerbedoen, Sergey Yankin, Philippe Pernod, Vladimir Preobrazhensky, Olivier Bou Matar

This work presents experimental investigation of interaction between surface acoustic waves and 2D surface Phononic crystals (PnCs). The PnC is made of 2D array of resonant nickel pillars arranged in different symmetric lattices, and deposited on lithium niobate (Y128 cut) substrate. Measurement of…

17èmes Journées Nationales du Réseau Doctoral en Micro-Nanoélectronique, JNRDM 2014, 2014, Villeneuve d'Ascq, France. 4 p. ⟨hal-01020266⟩

Article dans une revue

Comparison of shallow-mesa InAs/AlSb HEMTs with and without early-protection for long-term stability against Al(Ga)Sb oxidation

E. Lefebvre, G. Moschetti, M. Malmkvist, L. Desplanque, X. Wallart, J. Grahn

The fabrication process of InAs/AlSb high electron mobility transistors (HEMTs) has been improved by depositing, after the shallow-mesa isolation of the active area, a thin SiNx-film on the exposed AlGaSb mesa floor. Devices with and without this early-protection against Al(Ga)Sb oxidation have…

Semiconductor Science and Technology, 2014, 29, 035010, 7p. ⟨10.1088/0268-1242/29/3/035010⟩. ⟨hal-00941533⟩

Article dans une revue

Electrowetting and semiconductors

S. Arscott

Electrowetting is coming to fruition for many applications such as display technologies, droplet transport, smart optics, flexible systems, remote switching, electronic paper, miniaturized chemistry and energy harvesting. Surprisingly, although most of the workings of this technology have been…

RSC Advances, 2014, 4 (55), pp.29223. ⟨10.1039/C4RA04187A⟩. ⟨hal-02345621⟩

Article dans une revue

Modeling light-sound interaction in nanoscale cavities and waveguides

Yan Pennec, Vincent Laude, Nikos Papanikolaou, Bahram Djafari-Rouhani, Mourad Oudich, Said El-Jallal, Jean-Charles Beugnot, José Maria Escalante, Alejandro Martinez

The interaction of light and sound waves at the micro and nanoscale has attracted considerable interest in recent years. The main reason is that this interaction is responsible for a wide variety of intriguing physical phenomena, ranging from the laser-induced cooling of a micromechanical resonator…

Nanophotonics, 2014, 3 (6), pp.413-440. ⟨10.1515/nanoph-2014-0004⟩. ⟨hal-03222009⟩

Article dans une revue

Design of GaN based optical modulator with Mach-Zehnder interferometer structure

R.W. Purnamaningsih, N.R. Poespawati, Irma Saraswati, El Hadj Dogheche

In this work we have designed a Mach Zehnder interferometer (MZI) for electro optic modulator at telecommunication wavelength using GaN on Sapphire. The knowledge of GaN sample optical properties were also investigated, resulting refractive index for the GaN layers were found to be nTE=2.279±0.001…

WSEAS Transactions on Communications, 2014, 13, pp.229-233. ⟨hal-01044743⟩

Article dans une revue

Bandwidth enhancement in disordered metamaterial absorbers

Jianping Hao, Eric Lheurette, Ludovic Burgnies, Etienne Okada, Didier Lippens

In this letter, we show numerically and experimentally that a positional disorder of a collection of absorbing electromagnetic wave resonators operating in the long wavelength regime dramatically enhances the absorption bandwidth. The demonstration is performed by using single-size ring-shaped thin…

Applied Physics Letters, 2014, 105, 081102, 5 p. ⟨10.1063/1.4894181⟩. ⟨hal-01058509⟩

Communication dans un congrès

Experimental demonstration of anomalous nonreciprocal optical response of 1D periodic magnetoplasmonic nanostructures

L. Halagacka, Mathias Vanwolleghem, Francois Vaurette, Jamal Ben Youssef, Philippe Gogol, N. Yam, K. Postava, B. Dagens, J. Pistora

In this paper we analyze the optical and transversal magnetooptical (MO) response of magnetoplasmonic (MP) nanostructures. The MP structure is a 1D periodic gold grating fabricated by lift-off technique on the MO dielectric substrate (Bi-substituted yttrium iron garnet BixY3−xFe5O12). Following our…

SPIE Photonics West, OPTO 2014, Conference 8988 - Integrated Optics : Devices, Materials, and Technologies XVIII, 2014, San Francisco, CA, United States. 89880E, 6 p., ⟨10.1117/12.2039450⟩. ⟨hal-00962382⟩

Communication dans un congrès

Back-gated microwave field-effect transistors based on transferred CVD-grown graphene

Wei Wei, Mohamed Moez Belhaj, Geetanjali Deokar, D. Mele, Emiliano Pallecchi, Emmanuelle Pichonat, Dominique Vignaud, Henri Happy

Graphene based transistors have drawn growing interest from both industries and Laboratories [1-3]. In this work, we present both fabrication process and characterization of graphene field-effect transistors. Large scale monolayer graphene was grown by chemical vapor deposition (CVD) on Cu foils…

4th Graphene Conference, Graphene 2014, May 2014, Toulouse, France. 2 p. ⟨hal-00962381⟩

Communication dans un congrès

Surface acoustic wave bandgaps for conical pillars on a piezoelectric substrate

Abdelali Mrabti, Mourad Oudich, Abdellatif Akjouj, Yan Pennec, Bahram Djafari-Rouhani, Abdelkrim Talbi, Jérémy Streque, Yu Du, Ali Soltani, Philippe Pernod

We report theoretically on the band structure of a square lattice phononic crystal made up of nickel (Ni) conical pillars deposited on the surface of a semi-infinite LiNbO3 substrate. Calculations have been performed with a 3D finite element method taking into account material anisotropy and…

European Materials Research Society Spring Meeting, E-MRS Spring 2014, Symposium D - Phonons and fluctuations in low dimensional structures, 2014, Lille, France. ⟨hal-00962392⟩