Publications

• Article dans une revue

Integrated InP optical switches based on carrier-induced index variation

Hongwu Li, Karine Blary, Samuel Dupont, Jean-Pierre Vilcot, Joseph Harari, Jean Chazelas, Didier Decoster

We present theoretical study, technological realization and characterization of fabricated devices: TIR switches, electro-optical directional coupler switches and DOS switches because of their good linearity, low noise figure and short switching time which make them particularly suitable for…

Proceedings of SPIE, the International Society for Optical Engineering, 2004, 5445, pp.170-175. ⟨10.1117/12.558773⟩. ⟨hal-00141205⟩

• Communication dans un congrès

Nanophotonic MMICs for RF signal processing

D. Lauvernier, Malek Zegaoui, Gwenn Ulliac, Patrice Miska, Arnaud Beaurain, Karine Blary, Joseph Harari, Hongwu Li, Vincent Magnin, Didier Decoster, D. Dolphi, Stéphane Formont, Jean Chazelas

Microphotonics Technology Day, 2004, Noordwijk, Netherlands. ⟨hal-00141215⟩

• Article dans une revue

Low-loss InGaAsP/InP submicron optical waveguides fab ricated by ICP etching

Samuel Dupont, Arnaud Beaurain, Patrice Miska, Malek Zegaoui, Jean-Pierre Vilcot, Hongwu Li, M. Constant, Didier Decoster, Jean Chazelas

The fabrication and characterisation of low-loss InGaAsP/InP optical submicron waveguides made with ICP etching is reported. Their width ranges from 0.2 to 2 µm. For the 0.5 µm width, the propagation losses at =1.55 µm as low as 4.2 dB/mm have been measured.

Electronics Letters, 2004, 40(14), pp.865-866. ⟨10.1049/el:20040502⟩. ⟨hal-00270000⟩

• Article dans une revue

Determination of carrier-induced optical index and loss variations in GaInAsP/InP heterostructures from static and dynamic Mach-Zehnder interferometer measurements

Malek Zegaoui, Joseph Harari, Jean-Pierre Vilcot, F. Mollot, Didier Decoster, H. Li, Jean Chazelas

Mach-Zehnder type interferometer measurements are used to determine the variation of the optical index and propagation loss. Devices are fabricated in InGaAsP/InP material line and experiments are performed at 1.3 and 1.55 μm wavelength. Combining static and dynamic measurements, the carrier life-…

Electronics Letters, 2004, 40 (16), pp.1019-1020. ⟨10.1049/el_20045539⟩. ⟨hal-00141174⟩

• Communication dans un congrès

Ultrasonic testing of steel tubes by supercritical parametric wave phase conjugation

Andrey Brysev, Leonid Krutyansky, Olivier Bou Matar, Vladimir Preobrazhensky, Philippe Pernod

An application of principles of parametric wave phase conjugation (WPC) of ultrasound to inspection of metallic cylindrical tubes including various volume densities and sizes of scattering defects is demonstrated experimentally. The magnetoacoustic phase conjugator under supercritical…

IEEE Ultrasonics Symposium, 2004, Aug 2004, Montreal, QC, Canada. pp.2295-2297, ⟨10.1109/ULTSYM.2004.1418299⟩. ⟨hal-00162758⟩

• Communication dans un congrès

2D numerical simulation of acoustic wave phase conjugation in active medium

P. Voinovich, A. Merlen, Vladimir Preobrazhensky, Philippe Pernod

2004, pp.1872-1875. ⟨hal-00162759⟩

• Article dans une revue

Signal processing for damage detection using two different array transducers

Faysal El Youbi, Sébastien Grondel, Jamal Assaad

This work describes an investigation into the development of a new health monitoring system for aeronautical applications. The health monitoring system is based on the emission and reception of Lamb waves by multi-element piezoelectric transducers (i.e., arrays) bonded to the structure. The emitter…

Ultrasonics, 2004, 42, pp.803-806. ⟨10.1016/j.ultras.2004.01.070⟩. ⟨hal-00142003⟩

• Article dans une revue

Application of the FEM and the BEM to compute the field of a transducer mounted in a rigid baffle (3D case)

Jamal Assaad, Anne-Christine Hladky, B. Cugnet

Ultrasonics, 2004, 42, pp.443-446. ⟨hal-00141977⟩

• Article dans une revue

Health monitoring of a composite wingbox structure. Application to the characterization of damaging impacts and debonding stiffener

Sébastien Grondel, Jamal Assaad, Christophe Delebarre, Emmanuel Moulin

Ultrasonics, 2004, 42, pp.819-824. ⟨hal-00141976⟩

• Article dans une revue

Generation of Rayleigh waves into mortar and concrete samples

Bogdan Piwakowski, A. Fnine, M. Goueygou, F. Buyle-Bodin

Ultrasonics, 2004, 42, pp.395-402. ⟨hal-00140717⟩