Letteratura scientifica selezionata sul tema "Résonateur à cristal photonique"
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Articoli di riviste sul tema "Résonateur à cristal photonique"
Bailly, Sean. "Un cristal photonique naturel". Pour la Science N° 554 – décembre, n. 12 (5 dicembre 2023): 13b. http://dx.doi.org/10.3917/pls.554.0013b.
Testo completoProvino, Laurent, Achille Monteville, David Landais, Olivier Le Goffic, Adil Haboucha, Thiery Taunay e David Mechin. "Les fibres microstructurées : 20 ans d’existence et un vaste éventail d’applications". Photoniques, n. 99 (novembre 2019): 40–44. http://dx.doi.org/10.1051/photon/20199940.
Testo completoKudlinski, Alexandre, Arnaud Mussot e Géraud Bouwmans. "Fibres optiques topographiques". Photoniques, n. 99 (novembre 2019): 28–32. http://dx.doi.org/10.1051/photon/20199928.
Testo completoLe Floc'h, L., V. Quintard, J. F. Favennec e Y. Boucher. "Paramètres de répartition et bandes interdites d'un cristal photonique bidimensionnel discrétisé". Journal de Physique IV (Proceedings) 12, n. 5 (giugno 2002): 283–84. http://dx.doi.org/10.1051/jp4:20020162.
Testo completoAstic, M., P. Barthelemy, D. Träger, L. Razzari, P. Delaye, R. Frey, R. André e G. Roosen. "Mélange à quatre ondes en bord de bande d'un cristal photonique 1D". Journal de Physique IV (Proceedings) 135, n. 1 (ottobre 2006): 93–95. http://dx.doi.org/10.1051/jp4:2006135014.
Testo completoLaurent, 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. 1 (ottobre 2006): 211–12. http://dx.doi.org/10.1051/jp4:2006135061.
Testo completoYiou, S., P. Delaye, A. Rouvie, J. Chinaud, R. Frey, G. Roosen, P. Viale et al. "Diffusion Raman stimulée dans une fibre à cristal photonique à cœur creux rempli d'éthanol". Journal de Physique IV (Proceedings) 135, n. 1 (ottobre 2006): 295–97. http://dx.doi.org/10.1051/jp4:2006135096.
Testo completoMasselin, P., G. Mouret, A. V. Andreev, A. V. Balakin, A. B. Kozlov, I. A. Ozheredov, I. R. Prudnikov e A. P. Shkurinov. "Somme de fréquence et mélange optique à quatre ondes dans un cristal photonique à une dimension: interaction non-colinéaire et excitation d'ondes inhomogènes". Journal de Physique IV (Proceedings) 12, n. 5 (giugno 2002): 289–90. http://dx.doi.org/10.1051/jp4:20020165.
Testo completoTesi sul tema "Résonateur à cristal photonique"
Makles, Kevin. "Nano-membranes à cristal photonique pour l'optomécanique". Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066457/document.
Testo completoThe field of optomechanic consists in studying the coupling induce by the radiation pressure between a mechanical resonator and a light field, it has expended over the last fifteen years. In this memoir we present the developpement of a resonator optimised to observe quantum effect of the optomechanical coupling. On the one hand, it has to combine a high reflectivity and a low mass to enhance its coupling with the light field. On the other hand it should exhibit high mechanical quality factor in order to minimize its interaction with the environment. This resonator is a suspended membrane, whose thickness is about hundreds of nanometers, and whose reflectivity is achieved thanks to a photonic crystal. After a study of the photonic crystal physic in normal incidence, we present the experimental results including those in the end mirror of a Fabry-Pérot cavity configuration, which are in good agreement with the optical simulations. In a second point, we list the dissipation mechanisms in micro-resonator. Then we show how the stress introduction in such resonators can improve the quality factor. We finish the mechanical characterisation by studying mechanical non-linearities which appears in the case of large amplitude of motion. Then we present the experimental set-up developed to observe the thermal noise of the resonators. We also obtain some preliminary results about the cooling of the thermal noise using active cooling and photothermal effect. Last we present the development of a capacitive coupling between the membrane and a electrical circuit. This device is the first step toward the realisation of an optomechanical transducer between optical and micro-wave photons
Jara-Schulz, Gladys. "Control of linear and nonlinear resonances in coupled nano-electromechanical membranes". Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASP165.
Testo completoMicro and nanoelectromechanical systems are widely explored for applications in integrated photonics and for probing fundamental physical phenomena. A significant body of research focuses on coupled resonators' linear and nonlinear dynamics and their collective behaviors. This thesis presents the design, fabrication, and characterization of coupled nano-opto-electromechanical membranes in both linear and nonlinear regimes and is divided into three main parts. The first part details the design, optimization, and fabrication of coupled membrane resonators, which are put into motion thanks to interdigitated electrodes placed at a few hundred nanometers underneath the membrane. The mechanical displacement of these membranes is read by optical means. In order to enhance the reflectivity and thus the optical reading, photonic crystal mirrors are designed on each membrane. Based on numerical simulation, mechanical eigenmodes, electromechanical excitation efficiency, and mechanical coupling between membranes are discussed and assessed. The second part focuses on the linear and nonlinear dynamics of two coupled resonators. We present a model for characterizing the system's response in the linear regime, showing how external forces impact the amplitude and phase dynamical responses. Experiments demonstrate interferometric control over mechanical responses through double excitation, leading to CPA-like (Coherent Perfect Absorption) phenomena. Within this framework, amplification and annihilation of amplitude response is demonstrated. Moreover, thanks to the phase dynamics, we demonstrate a topological charge in the parameter space studied as well as a new strategy for phase amplification of small signals. Stronger electrical forces induce nonlinearities highlighted by bistabilities and modeled by coupled Duffing resonators. The implementation of an electrical feedback loop by sending the recorded signal from one membrane to the other allows the control of bistabilities. Beyond this, it also allows access to multistability regions, opening new avenues towards richer physics and more complex dynamical processes. The third part expands these investigations to the more complex case of three coupled membranes. Here, we first explore the system in its linear regime and develop techniques to experimentally control mechanical eigenmodes. In order to do so, electrical actuators, as well as optical readings, can be adjusted to tune mechanical resonances. Thus, in the linear regime, Fano resonances due to interferences between resonant modes are revealed and controlled by in-situ means. By pushing towards stronger actuation, a nonlinear regime is reached where phase-locking regions are identified. This demonstrates the interplay between Fano resonances and synchronization in a large parameter space. Finally, we provide perspectives for further research on collective behavior and more complex phenomena in larger nonlinear coupled resonator arrays. This requires exploring different coupling schemes and challenges related to detection techniques. Down the line, this may contribute to promising applications in low-power optical modulation, sensing technologies, and advanced nonlinear electro-optomechanical systems
Férachou, Denis. "Application des fibres creuses à cristal photonique pour la réalisation de résonateurs micro-ondes et de guides d’onde térahertz". Limoges, 2012. https://aurore.unilim.fr/theses/nxfile/default/6c8250cd-a5a5-4db6-bc7c-1c9ffc8bbfbf/blobholder:0/2012LIMO4042.pdf.
Testo completoThe domain terahertz (THz) is a little studied frequency range. The difficulty to generate and detect in this domain has long prevented its development compared to the optical domain (> 100 THz) and microwaves (<100 GHz). The study proposed in this thesis concerns the terahertz waveguides based on structural adaptation of hollow core optical fibers composed of a photonic crystal. The low losses it is possible to achieve with this kind of optical fibers have been demonstrated. The interest of this adaptation is to find the same advantages of such structures in THz. An introductive chapter provides more detail on the THz domain and the constraints of this area. A state of the art of THz waveguides and the THz time domain spectroscopy setup developed for the study of waveguides are presented. The second chapter is devoted to models developed to explain the optical confinement in fibers based on photonic crystals and the adaptation of these crystals to microwave and THz domains. The last chapter deals with the optimization and realization of microwave resonators and waveguides THz based on adapted photonic bandgap crystals
Hedir, Melissa. "Design, study, and fabrication of photonic crystal coupled-cavity arrays for investigating non-Hermitian zero-modes". Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASP056.
Testo completoCoupled photonic crystal (PhC) cavities are outstanding platforms for many classical and quantum information or computing protocols. They are also highly versatile testbeds for exploring advanced collective optical phenomena, such as the so-called non-Hermitian photonic zero modes. Zero modes are intriguing bound states that have captured attention through the elusive case of Majorana zero modes. In optics, “photonic zero-modes” exhibit zero-energy eigenvalues in a cavity or waveguide array. Being topologically or symmetry-protected modes, they are expected to be robust against coupling disorder, opening up a wide range of applications, from laser mode engineering to optical computing. This thesis work presents the experimental observation of photonic zero modes in small coupled cavity arrays featuring a gain/loss distribution -also called non-Hermitian arrays composed of an odd number of photonic crystal (PhC) cavities, from three to five. Importantly,we have found that controlling the evanescent coupling between the cavities significantly alters the frequency detuning which hampers the realization of zero modes.To address this issue, we developed a new design that we called “image barrier ” engineering technique, which enables precise control of coupling strength within 1D arrays of coupled cavities without the concomitant frequency detuning caused byterminations in the chain, thus, significantly expanding the observability range of zero modes. This method also facilitates the construction of cavity chains with nonuniform coupling, thus allowing us to assess the inherent immunity of zero modesto coupling perturbations. Remarkably, the ability to invert coupling signs enabled by our coupling control method leads to achieving an inversion of the zero mode's symmetry, broadening the potential for experimental and theoretical investigationsof these modes, either symmetry or topologically protected. This gives a handle to realize in-phase zero-mode oscillation, a crucial requirement to improve the far-field of topological lasers
Quelene, Jean-Baptiste. "Conception d’une interconnexion optique sur silicium constituée d’anneaux résonants multiplexée en longueur d’onde". Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAT002/document.
Testo completoThe 21st century is characterized by the explosion of demand for computing power as well as data storage and transfer. In this context, the development of high-performance computers is crucial but it is limited by the bandwidth and the energy efficiency of chip-to-chip and intra-chip electrical interconnects. Silicon photonics is a promising solution that uses microelectronics manufacturing techniques to fabricate optical components dedicated to efficient and high-bit-rate optical communication links.This work aims at designing a silicon photonic intra-chip high-bandwidth interconnect based on the example of latest-generation DRAM specifications. Wavelength division multiplexing (WDM) is used with low-footprint components called optical ring resonators for modulation and filtering.Lasers sources are a non-negligible contributor to overall system power consumption. For this reason, this thesis focuses on the optimization of ring resonators in terms of optical power. We first carry out a system analysis and propose an architecture that consists of parallel WDM links. Then a system model that evaluates optical power penalties related to the transmitter and the receiver is built up using static and dynamic simulations. Individual contributions of modulators, filters as well as the impact of adjacent channels at the transmitter and receiver sides are taken into account. Optical ring modulators are fabricated in PIC25G technology and characterized through static and dynamic measurements in order to validate our model. Finally, wavelength division multiplexed prototypes are designed and demonstrations corresponding to different WDM configurations are carried out which allows for suggestions of future improvements from the comparison with our predictive model
Peyrade, David. "Etude et réalisation de nanostructures photoniques en géométrie planaire : cristaux photoniques et résonateurs Fabry-Pérot". Montpellier 2, 2002. http://www.theses.fr/2002MON20056.
Testo completoSamsel, Marcel. "Metrologie photonique et photonique de puissance : applications biomedicales et industrielles". Université Louis Pasteur (Strasbourg) (1971-2008), 1987. http://www.theses.fr/1987STR13122.
Testo completoFasquel, Sophie. "Propriétés optiques de structures guidantes en cristal photonique". Lille 1, 2005. https://ori-nuxeo.univ-lille1.fr/nuxeo/site/esupversions/e2f8fa6b-4758-4782-808c-b7155b110a74.
Testo completoBraive, Rémy. "Contrôle de l'émission spontanée dans les cavités à cristal photonique". Phd thesis, Université Paris-Diderot - Paris VII, 2008. http://tel.archives-ouvertes.fr/tel-00355107.
Testo completoBourgeois, Martin. "Commutation optique dans un cristal photonique à base de silicium". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ62578.pdf.
Testo completoAtti di convegni sul tema "Résonateur à cristal photonique"
André, J. M., e P. Jonnard. "Contrôle de l’émission spontanée de rayonnement X au moyen d’un cristal photonique mono-dimensionnel". In UVX 2010 - 10e Colloque sur les Sources Cohérentes et Incohérentes UV, VUV et X ; Applications et Développements Récents. Les Ulis, France: EDP Sciences, 2011. http://dx.doi.org/10.1051/uvx/2011022.
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