Search Results - "COURJAL, Nadege"

Low driving voltage lithium niobate metasurface electro-optical modulator operating in free space by Hoblos, Ayman, Courjal, Nadége, Bernal, Maria P, Baida, Fadi I

“…A simple configuration of only λ/9 thick 2D metallic grating embedded within an electro-optic (EO) material (lithium niobate for instance) is proposed and…”
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Photo-Robotic Extrinsic Parameters Calibration of 6-DOF Robot for High Positioning Accuracy by Bettahar, Houari, Lehmann, Olivier, Clevy, Cedric, Courjal, Nadege, Lutz, Philippe

“…Hybrid integration of individual photonic elements appears particularly promising. It indeed provides high performances, proposes new optical functionalities…”
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All Integrated Lithium Niobate Standing Wave Fourier Transform Electro-Optic Spectrometer by Loridat, Joran, Heidmann, Samuel, Thomas, Fabrice, Ulliac, Gwenn, Courjal, Nadege, Morand, Alain, Martin, Guillermo

“…In a standard stationary wave Fourier-transform spectrometer, a static interferogram obtained in a single-mode channel waveguide is sampled by scattering…”
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Optical link as an alternative for MRI receive coils: toward a passive approach by Nobre, Paul, Gaborit, Gwenael, Sablong, Raphael, Courjal, Nadege, Behague, Florent, Coste, Antoine, Suarez, Miguel, Duvillaret, Lionel, Beuf, Olivier

“…Objective: The objective of this work was to propose an alternative solution to NMR signal transmission by replacing the coaxial cables of the receiver…”
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Excitation of symmetry-protected vertical modes through arrays of coaxial sub-λ apertures for THz applications by Dhibi, Abdelhak, Boublouh, Souhaila, Belkhir, Abderrahmane, Mezeghrane, Abdelaziz, Alabiad, Abdullah, Lucas, Grosjean, Bernal, Maria-Pilar, Courjal, Nadège, Hoblos, Ayman, baida, Fadi I

“…We numerically study the excitation of a Symmetry-Protected Vertical Mode (SPVM) within a specific periodic structure of coaxial apertures made in gold. The…”
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Integrated temperature sensor based on an enhanced pyroelectric photonic crystal by Lu, Huihui, Sadani, Benattou, Ulliac, Gwenn, Guyot, Clement, Courjal, Nadège, Collet, Manuel, Baida, Fadi Issam, Bernal, Maria-Pilar

“…In this paper, temperature variations are detected thanks to an enhanced nano-optical pyroelectric sensor. Sensing is obtained with the pyroelectric effect of…”
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Acousto-optically tunable lithium niobate photonic crystal by Courjal, Nadège, Benchabane, Sarah, Dahdah, Jean, Ulliac, Gwenn, Gruson, Yannick, Laude, Vincent

“…We report on an active two-dimensional lithium niobate photonic crystal (PhC) driven by stationary Rayleigh surface acoustic waves. The configuration relies on…”
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Low-loss LiNbO3 tapered-ridge waveguides made by optical-grade dicing by Courjal, Nadège, Devaux, Fabrice, Gerthoffer, Arnaud, Guyot, Clément, Henrot, Fabien, Ndao, Abdoulaye, Artajona, Maria-Pilar

“…We report on low-loss vertical tapers for efficient coupling between confined LiNbO3 optical ridge waveguides and Single Mode Fibers…”
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Force-Position Photo-Robotic Approach for the High-Accurate Micro-Assembly of Photonic Devices by Bettahar, Houari, Clevy, Cedric, Courjal, Nadege, LUTZ, Philippe

“…Recently, micro-assembly of individual photonic elements has been highly attracting to provide new optical functionalities and products with high performances…”
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Lithium niobate photonic crystal wire cavity: Realization of a compact electro-optically tunable filter by Lu, Huihui, Issam Baida, Fadi, Ulliac, Gwenn, Courjal, Nadège, Collet, Manuel, Bernal, Maria-Pilar

“…We report an electro-optically tunable filter using a lithium niobate photonic crystal cavity configuration with an efficient optical guiding geometry. The…”
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Broadband and widely tunable second harmonic generation in suspended thin-film LiNbO3 rib waveguides by Zinaoui, Aiman, Grosjean, Lucas, De Sousa Lopes Moreira, Arthur, Suarez, Miguel Angel, Queste, Samuel, Robert, Laurent, Gauthier-Manuel, Ludovic, Chauvet, Mathieu, Courjal, Nadège

“…Our study demonstrates second harmonic generation (SHG) in a high confinement LiNbO3 rib waveguide through type-I birefringence phase matching of fundamental…”
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Strong reduction of propagation losses in LiNbO3 ridge waveguides by Gerthoffer, Arnaud, Guyot, Clément, Qiu, Wentao, Ndao, Abdoulaye, Bernal, Maria-Pilar, Courjal, Nadège

“…•LiNbO3 ridge waveguides with propagation losses lower than 0.2dB/cm.•Only three steps of fabrication, without the need of cleanroom facilities.•An improved…”
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High-Aspect-Ratio LiNbO3 Ridge Waveguide With Vertical Buffer Layer and Enhanced Electro-Optical Efficiency by Caspar, Alexis, Roussey, Matthieu, Hayrinen, Markus, Laukkanen, Janne, Perignon, Anthony, Behague, Florent, Calero, Venancio, Ulliac, Gwenn, Bernal, Maria-Pilar, Kuittinen, Markku, Courjal, Nadege

“…As high aspect ratio ridges are not easy to process with standard lithographic techniques we propose alternative solutions based on atomic layer deposition and…”
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6-DoF Full Robotic Calibration Based on 1-D Interferometric Measurements for Microscale and Nanoscale Applications by Bettahar, Houari, Lehmann, Olivier, Clevy, Cedric, Courjal, Nadege, Lutz, Philippe

“…This article proposes an original approach for robotic calibration that is based on measurements along a single direction (1-D). Among all applications, the…”
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Optimization of LiNbO₃ photonic crystals: toward 3D LiNbO₃ micro-components by Courjal, Nadège, Dahdah, Jean, Ulliac, Gwenn, Sevillano, Pierre, Guichardaz, Blandine, Baida, Fadi

“…We report easy-to-implement techniques to improve the reflectivity of LiNbO₃ photonic crystals within the photonic bandgap. Firstly, we show that widening the…”
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Unbiased Electro-Optic Waveguide as a Sensitive Nuclear Magnetic Resonance Sensor by Aydé, Reina, Gaborit, Gwenalël, Dahdah, Jean, Duvillaret, Lionel, Courjal, Nadège, Guyot, Clement, Sablong, Raphaël, Perrier, Anne-Laure, Beuf, Olivier

“…A pigtailed Ti:LiNbO 3 waveguide is here associated to a specific nuclear magnetic resonant coil to perform a low invasive magnetic field measurement. The…”
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Photo-Robotic Positioning for Integrated Optics by Bettahar, Houari, Caspar, Alexis, Clevy, Cedric, Courjal, Nadege, Lutz, Philippe

“…High positioning accuracy is a crucial need to perform successfully complex tasks such as micromanipulation and microassembly. This especially enables to…”
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In-situ phase control of a low-loss membrane-based lithium-niobate polarisation-state modulator by Mwangi, Morris, Behague, Florent, Coste, Antoine, Safioui, Jassem, Suarez, Miguel, Byiringiro, Jean, Lutz, Philippe, Clévy, Cédric, Courjal, Nadège

“…We report on lithium niobate intermediate-thin films with reduced energy-manufacturing costs for manufacturing low-loss electro-optic components. A…”
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Experimental and theoretical characterization of a lithium niobate photonic crystal by Roussey, Matthieu, Bernal, Maria-Pilar, Courjal, Nadège, Baida, Fadi I.

“…In this letter, we investigate the feasibility of tunable lithium niobate (LiNbO3) photonic crystals. The optical response through a LiNbO3 photonic structure…”
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Ultra-smooth LiNbO3 micro and nano structures for photonic applications by Ulliac, Gwenn, Guichardaz, Blandine, Rauch, Jean-Yves, Queste, Samuel, Benchabane, Sarah, Courjal, Nadège

“…We report on two approaches to achieve ultra-smooth structures on lithium niobate (LiNbO3) substrates. The first method relies on ICP-RIE (inductively…”
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