Relevant bibliographies by topics / Guided slow-modes

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  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Guided slow-modes'

Author: Grafiati
Published: 20 July 2024
Last updated: 31 July 2025

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Journal articles on the topic "Guided slow-modes"

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JIANG, YONG-YUAN, and ZONG-JING SHEN. "GUIDING CHARACTERISTICS OF AN AIR WAVEGUIDE WITH LEFT-HANDED METAMATERIALS CLADDING." Journal of Nonlinear Optical Physics & Materials 17, no. 04 (2008): 465–71. http://dx.doi.org/10.1142/s021886350800441x.

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The characteristics of guided modes of a planar waveguide in which an air core is sandwiched by two left-handed metamaterials are studied. The dispersion relation of the guided modes in this air waveguide is derived where the left-handed metamaterials claddings can be either isotropic or uniaxially anisotropic. We analyze the fast and slow wave characteristics of the guided modes. The problem of whether the dispersion relation of slow wave modes has a solution is explored. The relation between the electromagnetic parameters of the waveguide and the solution of the dispersion relation of the sl
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KURT, H. "ALL-DIELECTRIC PERIODIC MEDIA ENGINEERED FOR SLOW LIGHT STUDIES." International Journal of Modern Physics B 27, no. 27 (2013): 1330020. http://dx.doi.org/10.1142/s021797921330020x.

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The paper presents various novel approaches to implementing slow light media by manipulating the group velocity via dispersion engineering of guided modes. Light is confined and then linked with a low group velocity inside a photonic crystal waveguide (PCW) and at the PC-air interface. We discuss both basic and engineered slow light waveguide structures. The structural changes in PCs greatly modify the spectral characteristics of the dispersion curves. The search for flat bands gives rise to various strategies for slowing the optical pulses. An appropriate and commonly adopted figure of merit
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Liu, Qi, and Qi Chao Liu. "Slow Light Properties of 2D Photonic Crystal Waveguide for Optical Storage in Optical Computers." Advanced Materials Research 452-453 (January 2012): 1210–14. http://dx.doi.org/10.4028/www.scientific.net/amr.452-453.1210.

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Slow light properties of the photonic crystal line-defect waveguide are researched with the plane wave expansion method. The structure of the waveguide is adjusted with several methods mentioned above at the same time and the slow light properties get better. For the structure of dielectric rods, central frequency and the group velocity of the guided modes decrease with the increase of the radii of the defected rods as well as the dielectric constant. Effects on the slow light from the change of the defected rods’ position are also studied, through moving the rods up and down; we get the almos
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Amorntep, W., and P. Wanchai. "Guided Modes of Slow Photon in Silicon Photonic Crystal Waveguide with Honeycomb Lattice." Advanced Science Letters 19, no. 3 (2013): 893–97. http://dx.doi.org/10.1166/asl.2013.4829.

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Li, Guofeng, Junbo Yang, Zhaojian Zhang, et al. "Double Electromagnetically Induced Transparency and Its Slow Light Application Based on a Guided-Mode Resonance Grating Cascade Structure." Materials 13, no. 17 (2020): 3710. http://dx.doi.org/10.3390/ma13173710.

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In recent years, the achievement of the electromagnetically induced transparency (EIT) effect based on the guided-mode resonance (GMR) effect has attracted extensive attention. However, few works have achieved a double EIT-like effect using this method. In this paper, we numerically achieve a double EIT-like effect in a GMR system with a three-layer silicon nitride waveguide grating structure (WGS), using the multi-level atomic system model for theoretical explanation. In terms of slow light performance, the corresponding two delay times reach 22.59 ps and 8.43 ps, respectively. We also invest
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Ballai, Istvan, Fisal Asiri, Viktor Fedun, Gary Verth, Emese Forgács-Dajka, and Abdulrahman B. Albidah. "Slow Body MHD Waves in Inhomogeneous Photospheric Waveguides." Universe 10, no. 8 (2024): 334. http://dx.doi.org/10.3390/universe10080334.

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The present study deals with the investigation of the oscillatory morphology of guided slow body MHD modes in inhomogeneous magnetic waveguides that appear in the solar photospheric plasmas in the forms of pores or sunspots. The eigenvalues and eigenfunctions related to these waves in an isothermal plasma are obtained numerically by solving a Sturm-Liouville problem with Dirichlet boundary conditions set at the boundary of the waveguide. Our results show that the inhomogeneities in density (pressure) and magnetic field have a strong influence on the morphology of waves, and higher-order more a
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Laude, Vincent, Jean Charles Beugnot, Sarah Benchabane, et al. "Simultaneous guidance of slow photons and slow acoustic phonons in silicon phoxonic crystal slabs." Optics express 19, no. 10 (2011): 9690–98. https://doi.org/10.1364/OE.19.009690.

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We demonstrate theoretically that photons and acoustic phonons can be simultaneously guided and slowed down in specially designed nanostructures. Phoxonic crystal waveguides presenting simultaneous phononic and photonic band gaps were designed in perforated silicon membranes that can be conveniently obtained using silicon-on-insulator technology. Geometrical parameters for simultaneous photonic and phononic band gaps were first chosen for optical wavelengths around 1550 nm, based on the finite element analysis of a perfect phoxonic crystal of circular holes. A plain core waveguide was then def
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Djuve, Vilde Lunnan, Carl Henrik Knutsen, and Tore Wig. "Patterns of Regime Breakdown Since the French Revolution." Comparative Political Studies 53, no. 6 (2019): 923–58. http://dx.doi.org/10.1177/0010414019879953.

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We present a temporally fine-grained data set on regimes, defined as the formal and informal rules essential for selecting leaders. The data set comprises more than 2,000 regimes from 197 polities, 1789 to 2016. We highlight how the frequency of breakdowns and particular modes of breakdown have followed cyclical rather than monotonic patterns across modern history. The most common breakdown modes, overall, are coups and incumbent-guided regime transformations. Furthermore, we report robust evidence that low income, slow or negative growth, and intermediate levels of democracy predict a higher
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Fayard, Nikos, Adrien Bouscal, Jeremy Berroir, et al. "The comb waveguide: a new tool for strong interaction between atoms and light." EPJ Web of Conferences 266 (2022): 08002. http://dx.doi.org/10.1051/epjconf/202226608002.

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Coupling quantum emitters and nanostructures, in particular cold atoms and waveguides, has recently raised a large interest due to unprecedented possibilities of engineering light-matter interactions. However, the implementation of these promising concepts has been hampered by various theoretical and experimental issues. In this work, we propose a new type of periodic dielectric waveguide that provides strong interactions between atoms and guided photons with an unusual dispersion. We design an asymmetric comb waveguide that supports a slow mode with a quartic (instead of quadratic) dispersion
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Kumari, Sheelu, Vibha Rani Gupta, and Shweta Srivastava. "Analysis of Narrow Slot Loading on a Half Guided Wavelength Folded Substrate Integrated Waveguide." ECTI Transactions on Electrical Engineering, Electronics, and Communications 19, no. 2 (2021): 174–81. http://dx.doi.org/10.37936/ecti-eec.2021192.241655.

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In this paper, effects due to variation in positioning, width and length of a narrow slot loaded on central metal septum of a half guided wavelength Folded Substrate Integrated Waveguide (FSIW) segment is presented. The study shows that the most significant effect is due to variation in slot length. It was observed that the slot loading can be used both for slow wave structure and filter depending on the length of the slot. The smaller lengths of the slot provide the slow wave effect, whereas the longer lengths result in filtering effect. Both the phenomena are explained with the help of field
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Dissertations / Theses on the topic "Guided slow-modes"

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Mahapatra, Sukanya. "Developing slow-mode nanophotonic platform for strong interaction between cold Rb atoms and guided photons." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASP022.

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Cette thèse présente les résultats de recherche obtenues au course de ma thèse portant sur la conception, la fabrication et les premières caractérisations optiques de guides d’ondes à cristal photonique à mode lent à base de GaInP, destinés à la forte interaction des photons guidés avec la transition D₂ (780 nm) des atomes de ⁸⁷Rb. L’approche choisie implique le couplage des atomes au mode optique guidé, un concept appelé électrodynamique quantique en guide d’ondes (QED en guide d’ondes). Les guides d’ondes à cristal photonique ont été conçus avec une ingénierie de dispersion pour atteindre un
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Zang, Xiaorun. "Lumière lente dans les guides à cristaux photoniques pour l'interaction renforcée avec la matière." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0172/document.

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Dans cette thèse, nous avons étudié l'impact considérable de désordre aléatoire sur le transport de la lumière lente dans les guides à cristaux photoniques 1D, c'est-à-dire la localisation de la lumière. Les mesures en champ proche, les simulations statistiques et le modèle théorique révèlent l'existence d'une limite inférieure de l’extension spatiale des modes localisés. Nous avons également présenté que le niveau de désordre et l’extension spatiale de mode localisé individuelle sont liés par la masse effective de photons plutôt que la vitesse de groupe considérant en général.Deuxièmement, le
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Faggiani, Rémi. "Resonant nanophotonics : structural slow light and slow plasmons." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0396/document.

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L'augmentation de l'interaction lumière-matière aux échelles micro et nanométriques est un des fers de lance de la nanophotonique. En effet, le contrôle de la répartition spatiale de la lumière grâce à l'interaction résonante entre nanostructures et ondes électromagnétiques a conduit aux développements de nombreuses applications dans des domaines variés tels que les télécommunications,la spectroscopie et la détection d'objets. Le ralentissement de la lumière, sujet de la thèse, obtenue grâces à l'interférence d'ondes contre-propageantes dans des milieux périodiques ou le confinement sub-longue
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Conference papers on the topic "Guided slow-modes"

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Rosiek, Christian Anker, Guillermo Arregui, Anastasiia Vladimirova, et al. "Measuring Propagation Loss in Slow-light Valley-Hall Photonic Topological Waveguides." In CLEO: Applications and Technology. Optica Publishing Group, 2023. http://dx.doi.org/10.1364/cleo_at.2023.jtu2a.146.

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We measure the propagation loss in trivial and topological slow-light guided interface modes of a valley-Hall photonic topological insulator indicating that there is no topological protection from fabrication-induced disorder.
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Teixeiro, M. Quiroga, D. Anderson, P. Andrekson, A. Berntson, and M. Lisak. "Efficient soliton compression by rapidly increasing amplification." In Nonlinear Guided Waves and Their Applications. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/nlgw.1996.sad.12.

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Access to soliton pulses of short pulse duration is an important prerequisite in many applications of solitons for optical fibre communication purposes. A number of methods for compressing solitons in optical fibers without generating nonsolitonic radiation modes has been suggested, e.g. adiabatic soliton compression by slow amplification [1] or by slowly decreasing dispersion [2]. In the present work we show that a properly tailored and rapidly increasing gain in an optical fiber can provide a fast, but still adiabatic, soliton amplification and concomitant efficient soliton compression for f
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Murdoch, S. G., R. Leonhardt, and J. D. Harvey. "Polarisation Modulation Instability in Weakly Birefringent Fibres." In Nonlinear Guided Waves and Their Applications. Optica Publishing Group, 1995. http://dx.doi.org/10.1364/nlgw.1995.nsab2.

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Modulation instability (MI) is a phenomenon exhibited by waves propagating in nonlinear dispersive media, in which weak amplitude perturbations at different frequencies are subject to gain. In the scalar description of wave propagation in optical fibres governed by the nonlinear Schrödinger equation (NLSE), MI can occur only in the anomalous dispersion regime, and this was the first form of MI to be observed [1]. Soon after this observation, however, it was predicted that the coherent interaction of two different circularly polarised waves of the same frequency propagating in a birefringent fi
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Ge, Chang, and Fumio Koyama. "Modeling of Surface Grating-loaded VCSEL with Slowing Light." In JSAP-OSA Joint Symposia. Optica Publishing Group, 2021. http://dx.doi.org/10.1364/jsap.2021.10a_n405_5.

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In contrast to DFB lasers and DBR lasers [1, 2] with guided modes, we proposed and demonstrated surface grating VCSEL [3] where light travels as ‘Zigzag’ format in lateral direction, leading to slow-wave.
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Chee, J. K., and J. M. Liu. "Parametric Frequency Conversion in a Highly Birefringent Fiber." In Nonlinear Guided-Wave Phenomena. Optica Publishing Group, 1989. http://dx.doi.org/10.1364/nlgwp.1989.thb12.

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A wide variety of nonlinear optical phenomena, such as stimulated Raman scattering[1], stimulated four-photon mixing[2], and sum-frequency generation[3], have been observed in optical fibers. For four-photon mixing in a fiber, phase matching condition has to be satisfied as well as conservation of energy. This has been successfully demonstrated both in multimode and single-mode fibers[4,5]. In a single-mode birefringent fiber, the birefringence in the fiber can compensate for the material dispersion[6,7]. Four-photon parametric process in single-mode birefringent fibers has been observed by St
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Zheng, Yuanlin, Wen Yuan, Xianfeng Chen, and Zhuangqi Cao. "Slow light over 1,000 fractional pulses based on ultrahigh-order guided modes in symmetrical metal-cladding optical waveguide." In CLEO: Applications and Technology. OSA, 2012. http://dx.doi.org/10.1364/cleo_at.2012.jw4a.1.

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Chen, Y. J., G. M. Carter, G. J. Sonek, and J. M. Ballantyne. "Nonlinear optical coupling to planar GaAs/AlGaAs waveguides." In Integrated and Guided Wave Optics. Optica Publishing Group, 1986. http://dx.doi.org/10.1364/igwo.1986.thcc6.

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Nonlinear optical interactions in waveguides utilizing the material’s third-order nonlinear optical susceptibility X(3) is of interest for potential application, such as ultrafast optical signal processing1 and nonlinear optical switching.2,3 The X(3) can significantly modify the coupling via either a prism or grating between a radiative wave and guided mode.3 Previously, the experimental demonstrations have been limited to either poor quality waveguides4 or materials with a slow (thermal) response time.5 We report both linear and nonlinear optical grating coupling to good quality planar GaAs/
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Ueda, T., K. Okamoto, J. Yamauchi, and T. Itoh. "Enhancement of Phase-Shifting Nonreciprocity in Metamate-rial Lines Loaded with Comb-Shaped Stubs Supporting Slow Wave Propagation of Edge Guided Modes." In 2018 IEEE International Magnetic Conference (INTERMAG). IEEE, 2018. http://dx.doi.org/10.1109/intmag.2018.8508634.

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Nucera, Claudio, and Francesco Lanza di Scalea. "Nonlinear Guided Waves for Structural Health Monitoring: Numerical Algorithm and Application to Railroad Track." In ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/smasis2012-8139.

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The University of California at San Diego (UCSD), under a Federal Railroad Administration (FRA) Office of Research and Development (R&D) grant, is conducting research to develop a system for in-situ measurement of the rail Neutral Temperature in Continuous-Welded Rail (CWR). It is known that CWR can break in cold weather and can buckle in hot weather. Currently, there is a need for the railroads to know the current state of thermal stress in the rail, or the rail Neutral Temperature (rail temperature with zero thermal stress), to properly schedule slow-order mandates and prevent derailment
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Nucera, Claudio, Robert Phillips, Francesco Lanza di Scalea, Mahmood Fateh, and Gary Carr. "A Wayside System for In-Situ Measurement of Rail Neutral Temperature by Nonlinear Ultrasonic Guided Waves." In ASME 2012 Rail Transportation Division Fall Technical Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/rtdf2012-9407.

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The University of California at San Diego (UCSD), under a Federal Railroad Administration (FRA) Office of Research and Development (R&D) grant, is conducting research to develop a system for in-situ measurement of the rail Neutral Temperature in Continuous-Welded Rail (CWR). It is known that CWR can break in cold weather and can buckle in hot weather. Currently, there is a need for the railroads to know the current state of thermal stress in the rail, or the rail Neutral Temperature (rail temperature with zero thermal stress), to properly schedule slow-order mandates and prevent derailment
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