Academic literature on the topic 'Communications par fibre optique'
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Journal articles on the topic "Communications par fibre optique"
Cassan, E. "Étude expérimentale d'une liaison par fibre optique." J3eA 4 (2005): 034. http://dx.doi.org/10.1051/bib-j3ea:2005734.
Full textDejean, Sylvain, and Sophie Tarascou. "À qui profite la fibre ? Estimation des besoins en très haut débit et déploiement de la fibre optique en France." Canadian Journal of Regional Science 45, no. 2 (September 13, 2022): 69–88. http://dx.doi.org/10.7202/1092247ar.
Full textSANTARELLI, G., O. LOPEZ, F. KÉFÉLIAN, H. JIANG, B. CHANTEAU, M. LOURS, F. NARBONNEAU, et al. "Transfert de fréquence par fibre optique en métrologie." Revue française de métrologie, no. 33 (April 10, 2014): 8–18. http://dx.doi.org/10.1051/rfm/2014003.
Full textGouillon, A. S., Ph Delaporte, M. Sentis, and O. Uteza. "Transmission de fortes puissances UV par fibre optique." Le Journal de Physique IV 09, PR5 (May 1999): Pr5–23—Pr5–24. http://dx.doi.org/10.1051/jp4:1999509.
Full textFouache, Eric, Adrien Marchiel, Alain Rabaute, Stéphane Desruelles, Christian Gorini, Nicoletta Bianchi, Raphaël Kerverdo, and Sara Lafuerza. "Conséquences de la crue extrême du 2 octobre 2020 dans la vallée de la Roya (Alpes Maritimes) sur les réseaux de transport et de communication : leçons pour la reconstruction." Flux N° 132, no. 2 (August 18, 2023): 98–114. http://dx.doi.org/10.3917/flux1.132.0098.
Full textArguel, P., and P. Destruel. "Approche expérimentale d'une ligne de transmission par fibre optique." J3eA 2 (2003): 008. http://dx.doi.org/10.1051/bib-j3ea:2003008.
Full textCassan, Eric, and Stéphanie Cassan. "Construction pas à pas d'une liaison par fibre optique longue distance." J3eA 5 (2006): 011. http://dx.doi.org/10.1051/j3ea:2006041.
Full textBelleville, C., G. Duplain, and A. Bergeron. "SYSTEME DE PESÉE EMBARQUÉ BASÉ SUR DES JAUGES EXTENSOMÉTRIQUES PAR FIBRE OPTIQUE." Transactions of the Canadian Society for Mechanical Engineering 17, no. 4B (December 1993): 699–711. http://dx.doi.org/10.1139/tcsme-1993-0040.
Full textVergniault, Christophe, Edouard Buchoud, Joséphine Boisson-Gaboriau, and Amélie Hallier. "Application des méthodes géophysiques pour le diagnostic de l’aléa cavités sur des ouvrages de grands linéaires, en contexte ferroviaire et hydraulique." Revue Française de Géotechnique, no. 172 (2022): 3. http://dx.doi.org/10.1051/geotech/2022006.
Full textGrossard, Ludovic, and François Reynaud. "Aloha : L’optique non linéaire et fibrée au service de la haute résolution en astronomie." Photoniques, no. 117 (2022): 30–35. http://dx.doi.org/10.1051/photon/202211730.
Full textDissertations / Theses on the topic "Communications par fibre optique"
N'Gadi, Lucien Yao. "Optimisation d'un réseau de communication par fibre optique." Mémoire, Université de Sherbrooke, 2008. http://savoirs.usherbrooke.ca/handle/11143/4797.
Full textLefebvre, Kim. "Technique de réutilisation de longueur d'onde optique dans des applications RoF basée sur les RSOA pour des communications bidirectionnelles OOK et OFDM." Master's thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/37718.
Full textNanni, Jacopo. "High performance, low cost and low consumption Radio over fiber Systems for diversified communications applications." Thesis, Paris Est, 2018. http://www.theses.fr/2018PESC1162/document.
Full textThis dissertation aims to analyze the possibility of improving in terms of cost and consumption the future Radio-over-Fiber (RoF) systems in different telecommunication scenarios, such as current and next generation of cellular networks and in other applications such as Radio Astronomy. The RoF system studied is hence composed of a Vertical Cavity Surface Emitting Laser (VCSEL) operating at 850 nm, standard single mode fiber (SSMF) and SiGe Heterojunction Phototransistor (HPT), adopting the technique called Intensity Modulation{Direct Detection which is nowadays the cheapest and simplest architecture for RoF. This dissertation describes in detail the multimode propagation within the SSMF (designed to operate only at 1310 nm and 1550 nm) which is present at 850 nm. Through a developed mathematical model, the two-modes propagation is described and the main phenomena involved are analyzed. In particular, the model focus on intermodal dispersion and modal noise which are considered the two main contributions of performance detrimental. The model developed is able to identify the main parameters which contribute to enhance the detrimental effects produced by intermodal dispersion and modal noise both in frequency and time domain. Starting from the model, possible techniques to improve the performances are then proposed. In particular, a pre-filtering technique is realized in order to avoid the excitation of the second order mode, allowing a quasi-single-modepropagation within the SSMF. The technique is theoretically and experimentally validated either for single radio frequency sinusoidal transmission either for bandpass signal transmission centered in radio frequency band. In particular it is demonstrated experimentally the possibility of increasing the modulationbandwidth of the RoF system, reducing at the same time the fluctuations of power and gain. Furthermore, the technique is validated in a real LTE transmission system, making the RoF technology proposed able to transmit 256-QAM LTE signal of 20 MHz bandwidth, confirming the possibility of using this technology to decrease the overall cost and consumption of the network. Further work hasbeen done on the mathematical model. In particular the two modes propagation is exploited reversely in order to characterize the chirp parameter of the VCSEL employed. Finally, the problem of coupling between fiber and opto-electronic devices is also discussed and investigated, in order to enhance theperformances while keeping low the cost. The possibility of utilizing a collective and passive ploymerbased structure for coupling the optical fiber with small area photodetectors and VCSEL is presented, showing important improvements on coupling efficiency and tolerance to misalignment
Seck, Aida. "Contribution à l’optimisation des systèmes de transmission optiques cohérents (Nx100 Gbit/s) utilisant le multiplexage en polarisation par des formats de modulation en phase et une conception de ligne limitant l’impact des effets non-linéaires." Thesis, Evry, Institut national des télécommunications, 2014. http://www.theses.fr/2014TELE0008/document.
Full textThe ever-increasing demand of capacity in very high bit rate coherent optical transmission systems has paved the way towards the investigation of several techniques such as the use of ultra-low loss fibers, Erbium doped fiber amplifiers, polarization and wavelength division multiplexing (WDM), coherent detection, multi-level modulation formats, spatial division multiplexing, etc. However, there are questions concerning polarization division multiplexing and a development towards some advanced modulation formats including phase modulation and polarization division multiplexing. In this thesis, in order to increase the capacity-by-distance product of future optical coherent systems using wavelength and polarization division multiplexing, we first study spectral shaping of the transmitted signals to increase the information spectral density. For this purpose, we have numerically investigated the multi-channel transmission performance of Polarization Switched Quadrature Phase Shift Keying (PSQPSK) and we have compared it to the performance of Polarization-Division-Multiplexed QPSK (PDM-QPSK), using Root Raised Cosine (RRC) spectral shaping, in the context of a flexible channel grid. In addition we have presented the advantage of PS-QPSK against PDM-QPSK as a function of the system parameters, while we have also discussed the benefit of a RRC spectral shaping against a tight filtering at the transmitter side with a 2nd order super-Gaussian-shaped filter. Furthermore, we have focused on nonlinear effects that limit the transmission distance by degrading the transmitted symbols during propagation. Analyzing and reducing the impact of nonlinear effects is essential when using technologies that increase the information spectral density such as polarization division multiplexing which causes new nonlinear effects due to additional interactions between symbols during the propagation through the fiber. Therefore a reduction of the impact of nonlinear effects is necessary for the development of future systems with higher bit rates of 400 Gbit/s and 1 Tbit/s per channel. We have established in this thesis, design rules to reduce the impact of nonlinear effects in the optical WDM transmission systems at 100 Gbit/s per channel that use polarization multiplexing
Yi, Lilin. "Ralentissement de la lumière par effets non-linéaires dans les fibres optiques pour les systèmes de communications à haut débit." Paris, ENST, 2007. http://www.theses.fr/2007ENST0037.
Full textSlow light, referring to slowing down the propagation velocity of the light through engineering the material dispersion or waveguide dispersion of the medium, is a promising technology for optical buffering and packet synchronization in future all-optical communication networks. Recently, slow light in fibers are rapidly developing for their compatibility with fiber-optic communication systems, where the fiber nonlinearities such as stimulated Brillouin scattering (SBS), stimulated Raman scattering (SBS) and parametric process are used to shape the material dispersion of the fiber so as to realize the slow light based on the well-known Kramers-Kronig relationship. What’s more, for being compatible with the present 10-Gb/s optical communication systems, the system performances of 10-Gb/s signals delayed in the fiber nonlinearities based slow light should be thoroughly evaluated. In this thesis, we utilize the narrow band parametric process and broadband SBS in fiber to realize the tunable delay of 10-Gb/s signals. We evaluate the performances of the slow-light delay lines by measuring the maximal delay time, the fractional delay and the signal quality such as eye opening and bit-error-rate (BER) of the delay signal, and optimize the signal quality by minimizing the slow-light induced distortions
Audo, Frédéric. "Opto-alimentation et transmission de données par fibre optique pour les observatoires de fond de mer." Phd thesis, Université de Bretagne occidentale - Brest, 2012. http://tel.archives-ouvertes.fr/tel-00782502.
Full textSaibi, Fadi. "Traitement du signal pour les communications optiques à haute efficacité spectrale." Phd thesis, Télécom ParisTech, 2005. http://pastel.archives-ouvertes.fr/pastel-00001045.
Full textSlim, Joseph. "Optical signal processing for space division multiplexed systems." Thesis, Rennes 1, 2021. http://www.theses.fr/2021REN1S004.
Full textWhile the main advantage of optical communications is to enable transmission of ultra-high capacities by multiplexing dozens of wavelength channels operating at high bit rates, the processing of the data, for instance in view of its regeneration or routing, needs to be performed in the electrical domain, thus requiring optical-to-electrical-to-optical conversions. However, some processing functionalities could be performed more efficiently directly in the optical domain, which is known as all-optical signal processing. As new techniques exploiting the spatial dimension in multimode fibers have been proposed in order to further increase the transmitted capacity, a better understanding of nonlinear effects associated with multimode interactions is desirable. This thesis aimed to explore paths for all-optical signal processing in modedivision multiplexing. In particular, the target was to demonstrate how nonlinear effects in multimode fibers could be used to manipulate the properties of optical signals, either in a mode independent way, or mode dependent way. Two types of fibers were designed. The first one allows to perform some all-optical signal processing functionalities for all the modes of the fiber individually and simultaneously, by using the intramodal fourwave mixing nonlinear effect. The second fiber was designed in a way to perform all-optical signal processing between different modes of the fiber, using intermodal four-wave mixing
Amari, Abdelkerim. "Compensation des effets nonlinéaires pour les transmissions WDM longue distance à 400Gbps et au-delà." Electronic Thesis or Diss., Paris, ENST, 2016. http://www.theses.fr/2016ENST0031.
Full textOptical communication systems have evolved since their deployment to meet the growing demand for high-speed communications. Over the past decades, the global demand for communication capacity has increased exponentially and the most of the growth has occurred in the last few years when data started dominating network traffic. In order to meet the increase of traffic demands fueled by the growth of internet services, an increase of access network capacity and consequently metro and long-haul network capacities is required. Next generation of long-haul WDM transmission systems is expected to operate at 400Gbps or 1Tbps bit rate. Superchannel approaches, such as Nyquist WDM and multi-band OFDM, allow both high spectral efficiency and small guardband which makes them promising candidates to generate these high bit rates in combination with multi-level modulations formats. Such transmission systems are strongly disturbed by fiber nonlinear effects which increase with the data rate and the small guard band. Therefore, fiber nonlinearities compensation is required to get the desired performance in terms of transmission reach. DSP based approaches such as digital back propagation and third-order Volterra based nonlinear equalizer have been already proposed to deal with intra-channel or intra-band nonlinear effects. In the context of superchannel systems, we have proposed two new compensation techniques to deal with fiber nonlinear effects. The first one, called fifth-order inverse Volterra based nonlinear equalizer, compensate for intra-band nonlinear effects. The second approach, which is the interband/ subcarrier nonlinear interference canceler, is proposed to combat the nonlinear interference insuperchannel systems
Amari, Abdelkerim. "Compensation des effets nonlinéaires pour les transmissions WDM longue distance à 400Gbps et au-delà." Thesis, Paris, ENST, 2016. http://www.theses.fr/2016ENST0031/document.
Full textOptical communication systems have evolved since their deployment to meet the growing demand for high-speed communications. Over the past decades, the global demand for communication capacity has increased exponentially and the most of the growth has occurred in the last few years when data started dominating network traffic. In order to meet the increase of traffic demands fueled by the growth of internet services, an increase of access network capacity and consequently metro and long-haul network capacities is required. Next generation of long-haul WDM transmission systems is expected to operate at 400Gbps or 1Tbps bit rate. Superchannel approaches, such as Nyquist WDM and multi-band OFDM, allow both high spectral efficiency and small guardband which makes them promising candidates to generate these high bit rates in combination with multi-level modulations formats. Such transmission systems are strongly disturbed by fiber nonlinear effects which increase with the data rate and the small guard band. Therefore, fiber nonlinearities compensation is required to get the desired performance in terms of transmission reach. DSP based approaches such as digital back propagation and third-order Volterra based nonlinear equalizer have been already proposed to deal with intra-channel or intra-band nonlinear effects. In the context of superchannel systems, we have proposed two new compensation techniques to deal with fiber nonlinear effects. The first one, called fifth-order inverse Volterra based nonlinear equalizer, compensate for intra-band nonlinear effects. The second approach, which is the interband/ subcarrier nonlinear interference canceler, is proposed to combat the nonlinear interference insuperchannel systems
Books on the topic "Communications par fibre optique"
ITG-Fachtagung Photonische Netze (20th 2019 Hochschule für Telekommunikation Leipzig). Photonische Netze: Beiträge der 20. ITG-Fachtagung, 08.-09. Mai 2019, Hochschule für Telekommunikation Leipzig. Berlin: VDE Verlag GmbH, 2019.
Find full textBinh, Le Nguyen. Optical fiber communications systems: Theory, practice, and MATLAB Simulink models. Boca Raton: Taylor & Francis, 2009.
Find full textOptical fiber communications systems: Theory and practice with MATLAB and Simulink models. Boca Raton: Taylor & Francis, 2009.
Find full textSamson, Bryce, and Liang Dong. Fiber Lasers: Basics, Technology, and Applications. Taylor & Francis Group, 2016.
Find full textSamson, Bryce, and Liang Dong. Fiber Lasers: Basics, Technology, and Applications. Taylor & Francis Group, 2016.
Find full textMillorit, Bernard. Génération... Photon : 1980 - 2017: La Fibre Optique Racontée Par Ses Premiers Utilisateurs. Independently Published, 2018.
Find full textMILLORIT, Bernard. Génération... PHOTON : 1980 - 2015: La Fibre Optique Racontée Par Ses Premiers Utilisateurs. Independently Published, 2017.
Find full textSahu, Partha Pratim. Advances in Optical Networks and Components. Taylor & Francis Group, 2020.
Find full textSahu, Partha Pratim. Advances in Optical Networks and Components. Taylor & Francis Group, 2020.
Find full textSahu, Partha Pratim. Advances in Optical Networks and Components. Taylor & Francis Group, 2020.
Find full textBook chapters on the topic "Communications par fibre optique"
Kelly, M. J. "Devices Ill: lasers, modulators, and detectors." In Low-Dimensional Semiconductors, 422–53. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198517818.003.0018.
Full textConference papers on the topic "Communications par fibre optique"
ARTIERES, Olivier. "Auscultation d’ouvrages de protection en remblai par capteur composite géotextile à fibre optique." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2014. http://dx.doi.org/10.5150/jngcgc.2014.058.
Full textDong, Yixian, Xiong Deng, Liang Liu, and Lianshan Yan. "Phase Retrieval of Modulus-based DSB signal in IMDD System." In Signal Processing in Photonic Communications. Washington, D.C.: Optica Publishing Group, 2023. http://dx.doi.org/10.1364/sppcom.2023.spm3d.2.
Full textReports on the topic "Communications par fibre optique"
Iyer, Ananth V., Samuel Labi, Steven Dunlop, Thomas Brady Jr., and Eki Amijaya. Cost and Benefit Analysis of Installing Fiber Optics on INDOT Projects. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317131.
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