Literatura científica selecionada sobre o tema "Photonique quantique"
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Artigos de revistas sobre o assunto "Photonique quantique"
Ourjoumsev, Alexei. "Photonique quantique". L’annuaire du Collège de France, n.º 115 (1 de novembro de 2016): 906–7. http://dx.doi.org/10.4000/annuaire-cdf.12630.
Texto completo da fonteAmanti, Maria, Florent Baboux e Sara Ducci. "Les sources intégrées de photons intriqués au coeur des technologies quantiques". Photoniques, n.º 91 (maio de 2018): 25–28. http://dx.doi.org/10.1051/photon/20189125.
Texto completo da fonteOurjoumtsev, Alexei. "Photonique quantique / Quantum photonics". L’annuaire du Collège de France, n.º 116 (15 de junho de 2018): 668. http://dx.doi.org/10.4000/annuaire-cdf.13538.
Texto completo da fonteOurjoumtsev, Alexei. "Photonique quantique / Quantum photonics". L’annuaire du Collège de France, n.º 117 (1 de setembro de 2019): 655. http://dx.doi.org/10.4000/annuaire-cdf.14813.
Texto completo da fonteOurjoumtsev, Alexei. "Photonique quantique / Quantum photonics". L’annuaire du Collège de France, n.º 118 (30 de dezembro de 2020): 678. http://dx.doi.org/10.4000/annuaire-cdf.16212.
Texto completo da fonteOurjoumtsev, Responsable :. Alexei. "Photonique quantique / Quantum photonics". L’annuaire du Collège de France, n.º 120 (13 de fevereiro de 2023): 559. http://dx.doi.org/10.4000/annuaire-cdf.18879.
Texto completo da fonteGerard, Jean-Michel, e Julien Claudon. "Des trompettes photoniques pour les technologies quantiques". Photoniques, n.º 91 (maio de 2018): 29–32. http://dx.doi.org/10.1051/photon/20189129.
Texto completo da fonteGerard, Jean-Michel. "1994 : Naissance d’un atome artificiel pour la photonique quantique". Photoniques, n.º 126 (2024): 32–36. http://dx.doi.org/10.1051/photon/202412632.
Texto completo da fonteLaurent, S., S. Varoutsis, L. Le Gratiet, A. Lemaître, I. Sagnes, F. Raineri, A. Levenson, I. Robert-Philip e I. Abram. "Photons uniques indiscernables à partir d'une boîte quantique unique dans un cristal photonique". Journal de Physique IV (Proceedings) 135, n.º 1 (outubro de 2006): 211–12. http://dx.doi.org/10.1051/jp4:2006135061.
Texto completo da fonteTeses / dissertações sobre o assunto "Photonique quantique"
Kaiser, Florian. "Ingénierie de l'intrication photonique pour l'information quantique et l'optique quantique fondamentale". Phd thesis, Université de Nice Sophia-Antipolis, 2012. http://tel.archives-ouvertes.fr/tel-00777002.
Texto completo da fonteChassagneux, Yannick. "Photonique pour les lasers à cascade quantique térahertz". Phd thesis, Université Paris Sud - Paris XI, 2009. http://tel.archives-ouvertes.fr/tel-00740111.
Texto completo da fonteAktas, Djeylan. "Photonique quantique expérimentale : cohérence, non localité et cryptographie". Thesis, Université Côte d'Azur (ComUE), 2016. http://www.theses.fr/2016AZUR4142.
Texto completo da fonteIn this thesis we study the coherence of light emitted by entangled photon-pair sources and micro-lasers. We have generated an manipulated entangled photonic states and investigated both fundamental (non locality) and applied (quantum cryptography) research directions. The objective of two fundamental studies on non locality was to partially relax the strong assumptions on which standard Bell tests rely. To this end, we redefined, in collaboration with the University of Geneva, the formalism of locality taking into account the influence, on correlation measurements, of the freedom of choice (in the basis settings) and of the limitation of the overall detection efficiency. Both assumptions allow devising generalized Bell inequalities whose experimental violations indicate that we can still attest for non locality for the observed states. In addition, we have studied and realized an experimental setup allowing to distribute entangled photon pairs in paired telecom channels for high bit rate quantum cryptography. We have shown that entanglement is preserved over a distance of 150 km with record rates for similar realizations, by mimicking classical network solutions exploiting, in an optimal fashion, the capacity of an optical fiber link via dense spectral multiplexing. Finally, we have studied the properties of light emitted by semiconductor lasers showing reduced dimensionality. This micro-lasers actually provide output light under high intensity fluctuations when they are pumped below the threshold. Their study allowed to refine our understanding on how the coherence builds up in these systems as the cavity is filled with photons
Vergyris, Panagiotis. "Vers les technologies quantiques basées sur l’intrication photonique". Thesis, Université Côte d'Azur (ComUE), 2017. http://www.theses.fr/2017AZUR4142/document.
Texto completo da fonteThe aim of this thesis was to develop photonic entanglement sources and study their implementation in the general field of quantum information technologies. To this end, a novel fully wave-guided, high performance photonic entanglement source is presented, able to generate hyper-entangled states in the observables of polarization and energy-time by means of a nonlinear Sagnac loop. The waveguide-based design makes it flexible, reliable, and adaptable to a wide spectral range, paving the way towards compact photonic entanglement generators, compatible with fiber-based communication systems and networks. This has been underlined by generating and distributing hyperentanglement in 5x2 dense wavelength division multiplexed channel telecom pairs, simultaneously, towards higher bit rates. The quality of the generated entanglement has been qualified by violating the Bell inequalities in a 16-dimension Hilbert space. Moreover, to adapt the wavelength of the entangled telecom photon pairs to the absorption wavelength of current quantum memory systems, a coherent wavelength converter is demonstrated. Furthermore, within the framework of quantum metrology, a new concept for a high-precision chromatic dispersion (CD) measurement in standard single mode fibers is introduced and demonstrated. In this demonstration, due to conceptual advantages enabled by quantum optics, an unprecedented 2.6 times higher accuracy on CD measurements is shown, compared to state-of-the-art techniques. In the same context, a new protocol for measuring two-photon phase shifts is performed using single photon detection only, promising scalable and potential real device applications with limited resources and simplified detection schemes. Finally, any potential application of quantum optics will be realized using small-scale devices. In this framework, an integrated on-chip heralded path entanglement generator is demonstrated, and shown to be adaptable to logic gate operations
Blanchet, Florian. "Photonique Josephson : génération & amplification micro-ondes en régime quantique". Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAY078/document.
Texto completo da fonteThe recent field of Josephson photonics is about the interplay between circuit quantum electrodynamic and dynamical Coulomb blockade. It explains and studies the ability of a Cooper pair to inelasticity tunnel through a DC-biased Josephson junction by dissipating the Cooper pair energy in the electromagnetic environment of the junction in the form of photons.This thesis focuses on two aspects of the Josephson photonics:• Control over the statistics of the emitted photons with focus on Generation of non-classical photons;• Stimulated emission of photons leading to Amplification with added noise at the quantumlimit.These devices are powered with a simple DC voltage used to biased the Josephson junction. Such devices can be a new solution in a frequencies range where only few simple alternative solutions are now available.We have studied our devices with two theories, P-theory and input output theory, to derive working characteristics of our devices : Photon rate, gain, noise, bandwidth, compression point. The measured samples are made of niobium nitride and the electromagnetic environment of the junction is engineered to fulfil our needs. The possibility to select the photonic processes at will by engineering the electromagnetic environment permits to imagine further devices: other types of sources, wideband amplifiers, photon detectors
Yeo, Inah. "Une boite quantique dans un fil photonique : spectroscopie et optomécanique". Phd thesis, Université de Grenoble, 2012. http://tel.archives-ouvertes.fr/tel-00809344.
Texto completo da fonteNedel, Patrick. "Nanostructures photoniques ultimes pour l'information quantique". Phd thesis, Ecole Centrale de Lyon, 2010. http://tel.archives-ouvertes.fr/tel-00676648.
Texto completo da fonteJumpertz, Louise. "Photonique non-linéaire dans les lasers à cascade quantique moyen infrarouges". Electronic Thesis or Diss., Paris, ENST, 2016. https://pastel.hal.science/tel-03689516.
Texto completo da fonteMid-infrared quantum cascade lasers are unipolar semiconductor lasers, which have become widely used sources for applications such as gas spectroscopy, free-space communications or optical countermeasures. Applying external per-turbations such as optical feedback or optical injection leads to a strong modification of the quantum cascade laser prop-erties. Optical feedback impacts the static properties of mid-infrared Fabry-Perot and distributed feedback quantum cas-cade lasers, inducing power increase, threshold reduction, modification of the optical spectrum, which can become either single- or multimode, and enhanced beam quality of broad-area transverse multimode lasers. It also leads to a different dynamical behavior, and a quantum cascade laser subject to optical feedback can oscillate periodically or even become chaotic: this work provides the very first analysis of optical instabilities in the mid-infrared range. A numerical study of optical injection furthermore proves that quantum cascade lasers can injection-lock over a few gigahertz, where they should experience enhanced stability and especially improved modulation bandwidth. Furthermore, some promising dynamics appear outside the locking range with periodic oscillations at a tunable frequency or high-intensity events. A quantum cascade laser under external control could therefore be a source with enhanced properties for the usual mid-infrared applications, but could also address new applications such as tunable photonic oscillators, extreme events gen-erators, chaotic LIDAR, chaos-based secured communications or unpredictable countermeasures
Mazeas, Florent. "Génération et manipulation d'états photoniques intriqués pour la communication et la métrologie quantiques". Thesis, Université Côte d'Azur (ComUE), 2018. http://www.theses.fr/2018AZUR4092/document.
Texto completo da fonteAfter a first quantum revolution marked by the advent of quantum physics and its counter-intuitive laws, the XXIst century is in the throes of a second quantum revolution based on quantum technologies. These promises a major upheaval in the areas of communication, calculation, simulation and metrology. In this thesis, we address two of the four subdomains mentioned above, namely those of communication and quantum metrology. The main word bringing together these works is entanglement. Indeed, we show that, thanks to this fundamental property, the performances of standard communication and metrology systems can be surpassed. Thus, we present how to generate these entangled states responsible for the quantum advantage, and this on two technological platforms. The first platform exploited is silicon. The latter, recent for photonics, combines the advantages of maturity allowing the integration of many micrometric structures on the same chip, with efficient non-linear properties, based on third order process. Silicon is then destined for many applications as we show by generating pairs of spectrally demultiplexed entangled photons directly compatible with standard telecommunication networks. The second platform we present is lithium niobate. The latter, widely used in many quantum photonics demonstrations, has a very important efficiency of entangled photon pairs generation, notably thanks to the exploitation of second order non-linear process. We detail an experiment of hyper-entangled states generation, which, like silicon, is oriented towards the domain of quantum communication. Finally, we also exploit these pairs of entangled photons combined with quantum interferometry methods to realize a quantum metrology experiment. The purpose is to measure with unprecedented precision the refractive indices difference of dual-core fibers
Strupiechonski, Élodie. "Confinement photonique extrêmement sub-longueur d'onde pour les lasers à cascade quantique térahertz". Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00943200.
Texto completo da fonteLivros sobre o assunto "Photonique quantique"
Carl, Teich Malvin, ed. Fundamentals of photonics. 2a ed. Hoboken, N.J: Wiley Interscience, 2007.
Encontre o texto completo da fonteCarl, Teich Malvin, ed. Fundamentals of photonics. New York: Wiley, 1991.
Encontre o texto completo da fontePrinciples of Lasers and Optics. Cambridge University Press, 2005.
Encontre o texto completo da fonte