Letteratura scientifica selezionata sul tema "Effet Kerr non linéaires"
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Articoli di riviste sul tema "Effet Kerr non linéaires":
Bienaimé, Pierre-Yves. "Existence locale et effet régularisant précisés pour des équations non linéaires de type Schrödinger". Revista Matemática Iberoamericana 30, n. 3 (2014): 751–98. http://dx.doi.org/10.4171/rmi/799.
Faïçal, Lakhchen. "L'Effet Amplificateur et Frictions Financières : Une Analyse Critique des Modèles DSGE Pré-Crise Financière". European Scientific Journal, ESJ 19, n. 22 (31 agosto 2023): 34. http://dx.doi.org/10.19044/esj.2023.v19n22p34.
Hamrouni, Ahmed, e Marc Bouvier. "TREE-BASED APPROACH TO ESTIMATE WOOD VOLUME FROM LiDAR DATA: A CASE STUDY IN A PINE PLANTATION". Revue Française de Photogrammétrie et de Télédétection 1, n. 211-212 (6 dicembre 2015): 63–70. http://dx.doi.org/10.52638/rfpt.2015.555.
Mroz, Aurore, e Julia Gorham. "From Caterpillar to Butterfly: Story of an Ordinarily Extraordinary Generation Z L2 Student Abroad". Frontiers: The Interdisciplinary Journal of Study Abroad 36, n. 1 (16 aprile 2024): 312–49. http://dx.doi.org/10.36366/frontiers.v36i1.855.
Shearer, Robert, e Truman Clark. "Are We Drawing the Correct Conclusions? Regression Analysis in the Nonprofit Literature". Canadian journal of nonprofit and social economy research 7, n. 1 (13 giugno 2016). http://dx.doi.org/10.22230/cjnser.2016v7n1a213.
Sanford, Kathy, Kerry Robertson, Timothy Hopper, Vivian Collyer e Laura Lancaster. "Link2Practice: A Model of Ongoing Teacher and Teacher Candidate Professional Learning". Alberta Journal of Educational Research 66, n. 3 (14 settembre 2020). http://dx.doi.org/10.55016/ojs/ajer.v66i3.56973.
Tesi sul tema "Effet Kerr non linéaires":
Ouadjou, Abdesselam. "Effets electrooptiques non linéaires dans les liquides diélectriques. Inclusion de l'inertie". Perpignan, 1994. http://www.theses.fr/1994PERP0172.
Macon, Louis. "Effets polarimétriques en régimes linéaires et non linéaire dans les fibres optiques uni modales biréfringentes". Nice, 1986. http://www.theses.fr/1986NICE4031.
Bonnefois, Jean-Jacques. "Modélisation d'effets non linéaires dans les cristaux photoniques, application à la limitation optique". Paris 10, 2006. http://www.theses.fr/2006PA100131.
We present here a discussion about the use of optical nonlinear material in photonic crystals (PCs) for optical limiting purpose. The link between cubic (Kerr) nonlinearities or phase transition and the complex diffraction phenomenon occurring inside a PC can allow ultra-frit and self-triggered switching from a transparent state towards an opaque one. To study this, we developed new ab-initio numeric methods evolved from the Fast Fourier Factorization (FFF) and the Matrix Scattering Method (MSM). Those methods allow the rigorous simulation of nonlinear inhomogeneous inclusion and the thermal behaviour of a CP while illuminated by a nanosecond laser pulse. In the last part of this document, the precision of the "homogeneous approximation" will be discussed and partially questioned. Finally, a CP based optical limiter solution is proposed
Burger, Sylvain. "Synthèse et étude des propriétés optiques non-linéaires d'ordre trois de nouvelles molécules push-pull à transmetteur hétérocyclique hexagonal ou pentagonal". Besançon, 2001. http://www.theses.fr/2001BESA2025.
Raineri, Fabrice. "Optique non linéaire dans les cristaux photoniques en semiconducteur III-V". Paris 11, 2004. https://tel.archives-ouvertes.fr/tel-00009192.
It is believed that the future developments in optical networks will rely crucially on all-optical processing. The use of light as the information carrier instead of electrons provides higher data transmission rate across long distances, ina fast and a reliable way. Moreover, all-optical devices with their inherent potentiel to avoid detrimental thermal effects, allows a miniaturization down to the nanoscale. In the search for such all optical devices, photonic crystals are increasingly evoked. These periodic structures with their lattice dimension of the order of the light wavelength constitutes an innovative way to control the electromagnetic field propagation over one, two or the three directions of the space. It has been shown that it is possible to design integrated optical devices using these structures such as filters, routers, etc. , for all optical signal processing. By controlling the opto-geometrical parameters of these structures, it is possible to slow down the light, to localize it and to control ots phase and group velocities. This can lead to a strong enhanement of the nonlinear interactions. Conversely, nonlinear optics brings to photonic crystals new functionalities such as frequency conversion, switching, amplification, etc. In this thesis, we report on the design and the fabrication of 1D and 2D photonic crystals in AlGaAs optimized to obtain efficient second harmonic generation within short distance. We also show that the important non linearities of III-V semiconductors can be avantageously used in 2D photonic crystals to obtain laser effet, tunability, ultrafast switching and amplification
Jenneve, Philippe. "Analyse Expérimentale des Distorsions Non-Linéaires pour la Construction d’un Estimateur de Performances des Réseaux Optiques Cohérents". Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLO014.
Nowadays, high-speed fiber-optic communication networks are the basis of information technology and the subject of intense research. Innovation enables transponders to be flexible and versatile, but fiber optical networks are still configured manually and especially almost never tuned during the life of the network. One of the blocking points toward reconfigurable and automated optical networks is the need of performance prediction for any link of the network in an accurate and fast way. However, the prediction is made even more complex by the diversity of deployed optical fiber types and propagation regimes.During my work, I addressed experimentally the signal distortions coming from nonlinear Kerr effects accumulated on hundreds of kilometers of optical fibers. Based on specific and controlled experiments, I have measured and highlighted the properties of the nonlinear distortions. These analyses allowed me to design a performance model estimator that can be applied to heterogeneous optical links with various optical fiber types and propagation regimes.The flexibility of transponders associated with a performance estimator will optimize and tune the channels dynamically depending on the load and the topology of the network, as well as compute the protection and restoration links
Lefort, Laurent. "Opérations phoniques rapides basées : sur l'intéraction de solitons spatiaux : sur des processus non-linéaires quadratiques". Limoges, 1996. http://www.theses.fr/1996LIMO0040.
Dherbecourt, Jean-Baptiste. "Processus non linéaires pour la génération d'impulsions picosecondes accordables dans l'infrarouge moyen". Phd thesis, Palaiseau, Ecole polytechnique, 2011. http://pastel.archives-ouvertes.fr/docs/00/59/92/11/PDF/JBthese.pdf.
Many applications, like time-resolved spectroscopy, require the development of new coherent light sources emitting tunable short pulses in the mid-infrared. In this field, nonlinear optics offer particularly attractive solutions. First of all, the parametric generation process allows extension of the spectral coverage of conventionnal laser sources. Secondly, nonlinear processes display specific properties, which can be controlled in order to create original fast optical functions. In this work, we use these properties to realize picosecond pulses generation devices. We begin with the realization of a synchronously pumped OPO based on a ZGP crystal, emitting tunable picosecond pulses in the 3,8 µm- 5,6 µm spectral range. The performances of the different conversion stages are discussed from experimental and numerical considerations. Then we adress optical sources including a laser medium and a nonlinear crystal. We build a nonlinear mirror using a PPLN crystal and insert it in a Cr2+:ZnSe laser to produce tunable picosecond pulses by passive modelocking in the 2,45 µm - 2,55 µm range. The nonlinear mirror is designed and characterized in an extracavity experiment, then we detail the mode-locking experiment. Finally, we generalize the nonlinear mirror concept, by proposing means of getting passive mode-locking by combination of amplitude and phase modulation in the laser cavity
Coda, Virginie. "Solitons optiques spatiaux kerr et photoréfractifs : propriétés fondamentales et application à l'adressage optique". Besançon, 2006. http://www.theses.fr/2006BESA2065.
Duchesne, Claire. "Etude des propriétés optiques non linéaires dans les verres : cas du système Na₂O-TiO₂-P₂O₅". Bordeaux 1, 1993. http://www.theses.fr/1993BOR10614.
Libri sul tema "Effet Kerr non linéaires":
Anjan, Biswas. Introduction to non-Kerr law optical solitons. Boca Raton: Chapman & Hall/CRC, 2007.
1928-, Darmstadter Joel, e Toman Michael A, a cura di. Assessing surprises and nonlinearities in greenhouse warming: Proceedings of an interdisciplinary workshop. Washington, D.C: Resources for the Future, 1993.
Biswas, Anjan, e Swapan Konar. Introduction to non-Kerr Law Optical Solitons (Chapman & Hall/Crc Applied Mathematics and Nonlinear Science). Chapman & Hall/CRC, 2006.
Toman, Michael A., e Joel Darmstadter. Assessing Surprises and Nonlinearities in Greenhouse Warming: Proceedings of an Interdisciplinary Workshop. Taylor & Francis Group, 2017.
Toman, Michael A., e Joel Darmstadter. Assessing Surprises and Nonlinearities in Greenhouse Warming: Proceedings of an Interdisciplinary Workshop. Taylor & Francis Group, 2015.
Capitoli di libri sul tema "Effet Kerr non linéaires":
"Chapitre 5 Effet Kerr optique". In Optique non linéaire, 71–90. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2007-8-008.
"Chapitre 5 Effet Kerr optique". In Optique non linéaire, 71–90. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2007-8.c008.