Search Results - "Mélique, X."

Experimental evidence of backward waves on terahertz left-handed transmission lines by Crépin, T., Lampin, J. F., Decoopman, T., Mélique, X., Desplanque, L., Lippens, D.

“…Left-handed transmission lines have been characterized by electro-optic sampling. The transmission lines used a coplanar strip technology periodically loaded…”
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Three-dimensional calculation of propagation losses in photonic crystal waveguides by Fasquel, S., Mélique, X., Vanbésien, O., Lippens, D.

“…Overall losses of optical waveguides, patterned in a two-dimensional photonic crystal in InP-based material system, are determined through the calculation of…”
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Time dependence of directive channelling in photonic crystal based multiport devices by Fasquel, S., Mélique, X., Lippens, D., Vanbésien, O.

“…Time dependence of directive routing of an optical wave in an add-drop multiplexer is theoretically studied using finite difference time domain (FDTD) methods…”
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A taper filtering finline at millimeter wavelengths for broadband harmonic multiplication by Decoopman, T., Melique, X., Vanbesien, O., Lippens, D.

“…The design of a taper filtering finline aimed at simultaneously mode matching and frequency selecting multifrequency signal is presented. Based on the…”
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Monolithic coplanar transmission lines loaded by heterostructure barrier varactors for a 60 GHz tripler by Fernandez, M., Delos, E., Melique, X., Arscott, S., Lippens, D.

“…Nonlinear transmission lines (NLTLs) loaded by InP-based heterostructure barrier varactors (HBVs) have been fabricated in a monolithic coplanar technology for…”
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Photonic crystal carpet: Manipulating wave fronts in the near field at 1.55 μ m by Scherrer, G., Hofman, M., Śmigaj, W., Kadic, M., Chang, T.-M., Mélique, X., Lippens, D., Vanbésien, O., Cluzel, B., de Fornel, F., Guenneau, S., Gralak, B.

“…Ground-plane cloaks, which transform a curved mirror into a flat one, and recently reported at wavelengths ranging from the optical to the visible spectrum,…”
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Broadband frequency filtering and mode matching using finline technology by Decoopman, T., Mélique, X., Vanbésien, O., Lippens, D.

“…Broadband frequency filtering and mode‐matching transition using finline technology for high‐frequency nonlinear electronic applications is proposed. Based on…”
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Micromachining and mechanical properties of GaInAs/InP microcantilevers by Mounaix, P, Delobelle, P, Mélique, X, Bornier, L, Lippens, D

“…Micro cantilever beams have been fabricated by selective wet etching of GaInAs/InP heterostructures with InP layer used as a sacrificial layer and GaInAs…”
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Transferred-substrate InP-based heterostructure barrier varactor diodes on quartz by Arscott, S., David, T., Melique, X., Mounaix, P., Vanbesien, O., Lippens, D.

“…InP-based heterostructure barrier varactor (HBV) devices employing air-bridge technology have been fabricated on a quartz host substrate following a…”
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Measurement of a flat lens focusing in a 2D photonic crystal at optical wavelength by Fabre, N., Lalouat, L., Cluzel, B., Melique, X., Lippens, D., de Fornel, F., Vanbesien, O.

“…Using scanning near field optical microscopy (SNOM), we observed the focusing effect provided by negative refraction in a 2D photonic crystal. Experimental…”
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Comparison of fully distributed and periodically loaded nonlinear transmission lines by Duchamp, J.-M., Ferrari, P., Fernandez, M., Jrad, A., Melique, X., Junwu Tao, Arscott, S., Lippens, D., Harrison, R.G.

“…Two different approaches to realizing nonlinear transmission lines (NLTLs) are investigated in detail. In the first approach, the nonlinearity is continuously…”
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Wave channelling in compact multiport waveguides patterned in electromagnetic crystals by Fasquel, S., Mélique, X., Vanbésien, O., Lippens, D.

“…Routing functions are investigated through the use of compact waveguide structures inserted in two-dimensional electromagnetic crystals. Wave channelling is…”
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Split Ring Resonator Arrays: from Microwave to Optics by Croenne, C., Carbonell, J., Gaillot, D.P., Lheurette, E., Melique, X., Lippens, D.

“…We numerically and experimentally investigated the electromagnetic properties of split ring resonator arrays excited under normal and oblique incidence angles…”
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Fabrication and performance of InP-based heterostructure barrier varactors in a 250-GHz waveguide tripler by Melique, X., Maestrini, A., Farre, R., Mounaix, P., Favreau, M., Vanbesien, O., Goutoule, J.-M., Mollot, F., Beaudin, G., Narhi, T., Lippens, D.

“…High-performance InGaAs-InAlAs-AlAs heterostructure barrier varactors (HBV's) have been designed, fabricated, and RF tested in a 250-GHz tripler block. The…”
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Deposition of Ferroelectric BST Thin Films by Sol Gel Route in View of Electronic Applications by Velu, G., Carru, J. C., Cattan, E., Remiens, D., Melique, X., Lippens, D.

“…We report on the deposition of Ba 0.7 Sr 0.3 TiO 3 thin films, BST (70/30), by a sol-gel process. After deposition by spin coating, the film is annealed at…”
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Determination of the mechanical properties of thin polyimide films deposited on a GaAs substrate by bulging and nanoindentation tests by Poilane, C., Delobelle, P., Bornier, L., Mounaix, P., Melique, X., Lippens, D.

“…In order to characterize the mechanical behavior of thin polyimide films deposited on a GaAs substrate in a membrane configuration, bulging and nanoindentation…”
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Capacitance engineering for InP-based heterostructure barrier varactor by Lheurette, E., Melique, X., Mounaix, P., Mollot, F., Vanbesien, O., Lippens, D.

“…We investigate new schemes of InP-based heterostructure barrier varactors with the aim of enhancing the capacitance nonlinearity of the devices. Starting from…”
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5-mW and 5% efficiency 216-GHz InP-based heterostructure barrier varactor tripler by Melique, X., Mann, C., Mounaix, P., Thornton, J., Vanbesien, O., Mollot, F., Lippens, D.

“…We report on record performance in terms of efficiency and output power for an InP-based heterostructure barrier varactor (HBV) tripler. Owing to a step-like…”
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Non Linear Transmission Line Quintupler Loaded by Heterostructure Barrier Varactors by Lheurette, E., Fernandez, M., Melique, X., Mounaix, P., Vanbesien, O., Lippens, D.

“…The potential of Non Linear Transmission Lines for harmonic multiplication was investigated on the basis of experimental capacitance-and current-voltage…”
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Corrections to "Comparison of fully distributed and periodically loaded nonlinear transmission lines" by Duchamp, J.-M., Ferrari, P., Fernandez, M., Jrad, A., Melique, X., Tao, J., Arscott, S., Lippens, D., Harrison, R.G.

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