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Artykuły w czasopismach na temat "Réseaux optique"
Mur, Jean-Michel. "Raccordement des fibres optiques à l’habitat - FTTH". Photoniques, nr 99 (listopad 2019): 36–39. http://dx.doi.org/10.1051/photon/20199936.
Pełny tekst źródłaMur, Jean-Michel. "Fibre optique et 5G… unies pour le meilleur". Photoniques, nr 92 (lipiec 2018): 38–41. http://dx.doi.org/10.1051/photon/20189238.
Pełny tekst źródłaKopp, Christophe, Stéphane Bernabe, Mohand Achouche i Sébastien Le Beux. "Photonique sur silicium : des réseaux à fibres au traitement optique de données". Photoniques, nr 98 (wrzesień 2019): 24–27. http://dx.doi.org/10.1051/photon/20199824.
Pełny tekst źródła-PAQUET, Christian. "Quelles architectures pour les réseaux de transport optique de demain ?(*)". Revue de l'Electricité et de l'Electronique -, nr 04 (2000): 78. http://dx.doi.org/10.3845/ree.2000.040.
Pełny tekst źródła-Lemaire, V. "Ingénierie et architecture des nouveaux réseaux sous-marins WDM sur fibre optique". Revue de l'Electricité et de l'Electronique -, nr 05 (1997): 46. http://dx.doi.org/10.3845/ree.1997.061.
Pełny tekst źródła-MESQUIDA, Guy. "Les sources laser multicolores : un pas décisif vers les réseaux tout optique". Revue de l'Electricité et de l'Electronique -, nr 09 (1999): 63. http://dx.doi.org/10.3845/ree.1999.097.
Pełny tekst źródłaLek, S., I. Dimopoulos, M. Derraz i Y. El Ghachtoul. "Modélisation de la relation pluie-débit à l'aide des réseaux de neurones artificiels". Revue des sciences de l'eau 9, nr 3 (12.04.2005): 319–31. http://dx.doi.org/10.7202/705255ar.
Pełny tekst źródłaTRIBILLON, G. "RÉSEAUX LINÉAIRES CALCULÉS UTILISÉS COMME OPTIQUE DE FOCALISATION DANS LES LASERS DE PUISSANCE". Le Journal de Physique Colloques 48, nr C7 (grudzień 1987): C7–189—C7–189. http://dx.doi.org/10.1051/jphyscol:1987737.
Pełny tekst źródłaBerton, Mireille. "Freud et l’« intuition cinégraphique » : psychanalyse, cinéma et épistémologie". Cinémas 14, nr 2-3 (4.05.2005): 53–73. http://dx.doi.org/10.7202/026004ar.
Pełny tekst źródłaMéric, Laurent, Gilles Pesant i Samuel Pierre. "Recherche locale à voisinage variable pour le routage optique dans des réseaux utilisant des routeurs latins". Annales des Télécommunications 59, nr 3-4 (marzec 2004): 261–86. http://dx.doi.org/10.1007/bf03179698.
Pełny tekst źródłaRozprawy doktorskie na temat "Réseaux optique"
Fall, Abdoulaye. "Réflectométrie optique dans le domaine fréquentiel pour l’analyse des réseaux locaux domestiques optiques". Thesis, Evry, Institut national des télécommunications, 2016. http://www.theses.fr/2016TELE0011/document.
Pełny tekst źródłaIn order to develop high capacity future-proof home network, the FUI 12 RLDO project suggests passive star network topology using multimode couplers. This topology encounters implementation difficulties due to the non-uniformity of the power distribution in the output ports of multimode couplers. Analyzing this problem shows that the properties of modes propagating in the network elements plays a key role in this non-uniform characteristics of multimode couplers. In order to characterize these modes propagating in the network, we have developed a complex optical frequency domain reflectometry (OFDR) setup. The phenomena limiting the sensitivity to the phase in OFDR – in fact, those related to the non-linear frequency tuning of the laser source - are investigated to contribute to a better understanding of the limiting mechanisms. Then we have tested the intensity and phase measurement performance of the developed setup. Later, we studied the optimal resolution conditions to characterize the modes in a multimode waveguide. We have also analyzed the uncertainty of the measurement of the chromatic dispersion of modes in case where it is impossible to determine whether one or several modes are present in a given dispersion curve. Additionally, we have introduced an adaptive time-frequency method, to obtain the dispersion curves with optimal resolution. This method allows us to show the versatility of the special RLDO multimode fiber (single-mode behavior under single-mode excitation at 1310 nm and 1550 nm). The analysis of the propagation in the optical fibers, associated with a model we have developed to study the behavior of multimode couplers, has permitted to explain encountered difficulties with the experiments of the multimode passive star network topology. This also gives insights to develop a functional prototype of network
Fall, Abdoulaye. "Réflectométrie optique dans le domaine fréquentiel pour l’analyse des réseaux locaux domestiques optiques". Electronic Thesis or Diss., Evry, Institut national des télécommunications, 2016. http://www.theses.fr/2016TELE0011.
Pełny tekst źródłaIn order to develop high capacity future-proof home network, the FUI 12 RLDO project suggests passive star network topology using multimode couplers. This topology encounters implementation difficulties due to the non-uniformity of the power distribution in the output ports of multimode couplers. Analyzing this problem shows that the properties of modes propagating in the network elements plays a key role in this non-uniform characteristics of multimode couplers. In order to characterize these modes propagating in the network, we have developed a complex optical frequency domain reflectometry (OFDR) setup. The phenomena limiting the sensitivity to the phase in OFDR – in fact, those related to the non-linear frequency tuning of the laser source - are investigated to contribute to a better understanding of the limiting mechanisms. Then we have tested the intensity and phase measurement performance of the developed setup. Later, we studied the optimal resolution conditions to characterize the modes in a multimode waveguide. We have also analyzed the uncertainty of the measurement of the chromatic dispersion of modes in case where it is impossible to determine whether one or several modes are present in a given dispersion curve. Additionally, we have introduced an adaptive time-frequency method, to obtain the dispersion curves with optimal resolution. This method allows us to show the versatility of the special RLDO multimode fiber (single-mode behavior under single-mode excitation at 1310 nm and 1550 nm). The analysis of the propagation in the optical fibers, associated with a model we have developed to study the behavior of multimode couplers, has permitted to explain encountered difficulties with the experiments of the multimode passive star network topology. This also gives insights to develop a functional prototype of network
Palaysi, Jérôme. "Problèmes algorithmiques dans les réseaux tout-optique". Montpellier 2, 2002. http://www.theses.fr/2002MON20173.
Pełny tekst źródłaTogni, Olivier. "Force des graphes : indice optique des réseaux". Bordeaux 1, 1998. http://www.theses.fr/1998BOR10596.
Pełny tekst źródłaMarin, Emmanuel. "Modélisation des effets des réseaux de Bragg dans les composants à fibres optiques". Saint-Etienne, 2000. http://www.theses.fr/2000STET4004.
Pełny tekst źródłaPhotosensitivity in optical fibres has been highlighted in the last two decades ; permitting the realization of index modulations in fibres cores (i. E. Bragg gratings). Although the mechanisms underlying photosensitivity remain obscure, this proterty can be ascribed to defects showing UV absorption peaks. Then, by generating an interference field in the UV region and placing a fibre or a fibre-based structure within it can write a Bragg grating. We present in this thesis tolls to predict Bragg gratings effects in complex optical fibre-based structure. Firstly, we introduce the analysis of propagation in optical fibres and fibre-based couplers. We detail the approach used (supermode theory) to analyse waveguides of complex goemetry and we present various numerical methods used to calculate scalar modes of waveguides. .
Fen, Zhou. "Routage multicast tout optique dans les réseaux WDM". Phd thesis, INSA de Rennes, 2010. http://tel.archives-ouvertes.fr/tel-00541116.
Pełny tekst źródłaZiebell, Melissa. "Transceiver optique en silicium pour les réseaux d'accès". Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00873582.
Pełny tekst źródłaZiebell, Melissa. "Transceiver optique en silicium pour les réseaux d’accès". Thesis, Paris 11, 2013. http://www.theses.fr/2013PA112181/document.
Pełny tekst źródłaSilicon photonics is a research field in full expansion that works towards the integration of photonics and microelectronic components in a single chip. The creation of a broadband optical link that is able to carry high-speed information requires the development of efficient building blocks compatible with CMOS technology. The work carried out during my Ph.D. focused specifically on silicon optical modulators for high-speed applications from 10 to 40 Gbit/s. The work presented includes design, optimization, fabrication and characterization of the complete device. The modulator is based on the electro-refractive effect obtained by depletion of carriers in PN and PIPIN diodes to obtain a phase change of the optical mode. Intensity modulation is obtained by integration of the active region in a Mach-Zehnder interferometer or a ring resonator. Electrical, optical and radio frequency simulations were conducted on the various elements of the modulator to design a device for FTTH (Fiber To The Home) applications operating at 127 µm. Additional studies included the design of RF coplanar waveguide electrodes optimized through the development of an electro-optical model that takes into account the propagation of the electrical and optical waves in the active region. Compatible CMOS processes were proposed, and the necessary masks for fabrication were designed considering fabrication tolerances and critical parameters. Finally, various experimental results were obtained on components designed at IEF and fabricated at CEA-LETI. We can specially mention a Mach Zehnder modulator operating at 40 Gbit/s that uses a PIPIN diode to obtain an index variation, and having an extinction ratio of 7.5 dB and losses of only 6 dB. The goal of future optimizations of silicon modulator is to integrate these devices with the RF driver, and to move towards more complex and efficient modulation formats than the two-level intensity modulation seen so far
Zhou, Fen. "Routage multicast tout optique dans les réseaux WDM". Rennes, INSA, 2010. https://tel.archives-ouvertes.fr/tel-00541116.
Pełny tekst źródłaIn this thesis, we studied the all-optical multicast routing (AOMR) problem in wavelength-routed WDM networks. With respect to the delay and link stress sensitive AOMR, an efficient algorithm based on avoiding multicast incapable branching nodes in light-trees is proposed. This algorithm is shown to be able to find a good tradeoff among the end-to-end delay, the link stress and the total cost. Regarding the power-aware AOMR, a more accurate and realist power loss model is defined for all-optical multicasting. Based on this new model, the power optimal design of light-trees is formulated by a mixed-integer programming (MILP). To achieve so, a set of novel linear equations is introduced to replace the nonlinear ones induced by the light splitters. In order to analyze the AOMR heuristic algorithms and assess their performances, the cost bounds of multicast light-trees and the approximation ratios of heuristic algorithms are derived mathematically in both unweighted and non-equally weighted WDM mesh networks. Concerning the cost optimal AOMR, a new structure called light-hierarchy is proposed. It is proven that the optimal structure is not the light-tree but the proposed light-hierarchy. Simulation results strongly suggest the employment of light-hierarchy for AOMR in WDM networks with sparse splitting
Diaz, Luque Julia. "Dynamique dans un réseau optique conservatif". Thesis, Lille 1, 2014. http://www.theses.fr/2014LIL10047/document.
Pełny tekst źródłaOptical lattices are structures created by the interference of laser beams, which make it possible to trap and arrange cold atoms. They have become a model system for several domains in physics, because it is possible to simulate other systems by changing the lattice geometry and its parameters. These characteristics are easy to modify experimentally. In particular, it is possible to obtain conservative optical lattices. In this thesis, we study the dynamics of an atom trapped in a 2D conservative optical lattice. The dynamics of the atom depends on the parameters of the lattice, and it is often complex. In consequence, this thesis is at the interface between the domains of cold atoms and non-linear dynamics. The study of the dynamics in the optical lattice needs to be done firstly in the classical limit. We examine in the first place the solutions to the movement equations obtained by numerical integration, for the different configurations of the system. They show a big variety of possible dynamical regimes. Amongst these regimes we find synchronization phenomena leading to a periodic movement locked in frequency. Synchronization seems to inhibit chaos in the system. The main solutions obtained numerically are also studied analytically. This approach allows us to obtain a description of the movement for the different dynamical regimes observed. All these regimes are easy to reproduce experimentally and the influence of synchronization on the existence of chaos needs to be studied. Additionally, this classical analysis serves as a basis for studying the system in the quantum limit
Książki na temat "Réseaux optique"
Joe, Leben, red. Data communication technology. Englewood Cliffs, N.J: Prentice-Hall, 1988.
Znajdź pełny tekst źródłaOptical Networking Crash Course. New York: McGraw-Hill, 2001.
Znajdź pełny tekst źródłaDigital optical communications. Boca Raton, FL: CRC Press, 2008.
Znajdź pełny tekst źródłaTakao, Kumazawa, Kruger Lawrence i Mizumura Kazue, red. The polymodal receptor: A gateway to pathological pain. Amsterdam: Elsevier, 1996.
Znajdź pełny tekst źródłaLEPERS, Lepers. Réseaux d'accès Optiques FTTH: Introduction Aux Réseaux d'accès Optiques FTTH. Independently Published, 2020.
Znajdź pełny tekst źródłaYoshimura, Tetsuzo. Self-Organized Lightwave Networks: Self-Aligned Coupling Optical Waveguides. Taylor & Francis Group, 2018.
Znajdź pełny tekst źródłaSelf-Organized Lightwave Networks. Taylor & Francis Group, 2018.
Znajdź pełny tekst źródłaYoshimura, Tetsuzo. Self-Organized Lightwave Networks: Self-Aligned Coupling Optical Waveguides. Taylor & Francis Group, 2018.
Znajdź pełny tekst źródłaYoshimura, Tetsuzo. Self-Organized Lightwave Networks: Self-Aligned Coupling Optical Waveguides. Taylor & Francis Group, 2018.
Znajdź pełny tekst źródłaYoshimura, Tetsuzo. Self-Organized Lightwave Networks. Taylor & Francis Group, 2018.
Znajdź pełny tekst źródłaCzęści książek na temat "Réseaux optique"
MOLINIER, Matthieu, Jukka MIETTINEN, Dino IENCO, Shi QIU i Zhe ZHU. "Analyse de séries chronologiques d’images satellitaires optiques pour des applications environnementales". W Détection de changements et analyse des séries temporelles d’images 2, 125–74. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9057.ch4.
Pełny tekst źródłaDÉSANGLES, F., M. VALENTE, P. MARTIGNE, J. PATEUX, G. GOSIER, M. DROUET i F. HÉRODIN. "Le laboratoire de dosimétrie biologique des irradiations du Service de santé des armées". W Médecine et Armées Vol. 46 No.2, 163–68. Editions des archives contemporaines, 2018. http://dx.doi.org/10.17184/eac.7358.
Pełny tekst źródłaBRÜCKERHOFF-PLÜCKELMANN, Frank, Johannes FELDMANN i Wolfram PERNICE. "Les puces photoniques". W Au-delà du CMOS, 395–422. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9127.ch9.
Pełny tekst źródłaCoqueugniot, Hélène. "Paléo-imagerie par rayons X : une méthode d’exploration transdisciplinaire, de l’archéologie à la chirurgie Hélène". W Regards croisés: quand les sciences archéologiques rencontrent l'innovation, 139–56. Editions des archives contemporaines, 2017. http://dx.doi.org/10.17184/eac.3794.
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