Slow light waveguide

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August undefined, 2024

Webb20 dec. 2010 · Slow light devices such as photonic crystal waveguides (PhCW) and coupled resonator optical waveguides (CROW) have much promise for optical signal … Webb19 apr. 2007 · The physical principles behind the phenomenon of slow light in photonic crystal waveguides, as well as their practical limitations, are discussed and put into …

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Webb14 apr. 2024 · Topological photonics has recently opened up a promising frontier for electromagnetic wave and light manipulation and has made great progress from unique physical concepts to novel practical photonic devices. Numerous works have discussed the realizations of chiral topological photonic states in magnetic photonic crystals with … Webb11 apr. 2024 · For constructing a waveguide tunnel, the structure is wrapped by copper bars on the top right and bottom and a microwave absorber (blue) ... “ Zero GVD slow-light originating from a strong coupling of one-way modes in double-channel magneto-optical photonic crystal waveguides,” Opt. Express 29, ... howard theatre washington dc

Slow light photonic crystal waveguides with large delay-bandwidth ...

Webb11 apr. 2024 · On-chip light sources are an essential component of scalable photonic integrated circuits (PICs), and coupling between light sources and waveguides has attracted a great deal of attention. Photonic waveguides based on bound states in the continuum (BICs) allow optical confinement in a low-refractive-index waveguide on a … Webb20 dec. 2010 · Slow light devices such as photonic crystal waveguides (PhCW) and coupled resonator optical waveguides (CROW) have much promise for optical signal processing applications and a number of successful demonstrations underpinning this promise have already been made. Webb15 mars 2010 · Novel slow light waveguide with controllable delay-bandwidth product and utra-low dispersion Authors Ran Hao 1 , Eric Cassan , Hamza Kurt , Xavier Le Roux , Delphine Marris-Morini , Laurent Vivien , Huaming Wu , Zhiping Zhou , … howard the duck 1 cgc

Coupling of Photon Emitters in Monolayer WS2 with a Photonic Waveguide …

Ultra-wide band dispersionless slow light waveguides

Webb1 feb. 2015 · Flat band slow light is achieved in a silicon photonic crystal waveguide with large normalised delay bandwidth product (NDBP) while maintaining smaller values of group velocity dispersion. By altering the waveguide width through shifting the position of two rows of air holes adjacent to the waveguide, it is possible to achieve a high NDBP … Webb14 jan. 2024 · This work employed fishbone slow-light waveguides as the object to be optimized, whose unit cell has multiple degrees of freedom, and trained a deep neural network (DNN) to predict their geometric parameters with the given discrete group index curves as the input. View 2 excerpts, cites background how many krill does a blue whale eat in a dayWebb25 jan. 2024 · Controlling the flow of light is fundamental for on-chip optical signal processing. In this paper, we investigate how to realize high contrast, high unidirectional … howard the bunny anger

"Webb6 juni 2024 · [1] Baba T 2008 Slow light in photonic crystals Nat. Photon. 2 465–73 Crossref; Google Scholar [2] Vlasov Y, O’Boyle M, Hamann H and McNab S J 2005 Active … " - Slow light waveguide

Slow light waveguide

WebbWe present a hybrid gyromagnetic photonic crystal (GPC) waveguide composed of different GPC waveguide segments possessing various cylinder radii and waveguide … WebbThe BP slow light waveguide photodetector is envisioned to realize miniaturized high-performance on-chip MIR systems for widespread applications including environmental monitoring, industrial process control, and medical diagnostics. Conflict of Interest The authors declare no conflict of interest. Citing Literature Supporting Information

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Webb21 sep. 2024 · Therefore, our proposed structure can be used for highly sensitive refractive index sensors, slow light devices, multi-frequency optical switches, and narrowband filtering. 2. Structural Design Our proposed overall structure is shown in Figure 1 a, where Layer I is a refractive index matching layer with refractive index = 1.45 and height = 20 μ m. Webb10 mars 2024 · Firstly, the longitudinal component of the waveguide modes is large, meaning that C-points with 100% chirality are common, and moreover tend to occur in the high-index part of the waveguide, where a QD could be placed. Secondly PhCWGs support slow-light. Extending the benefits of slow-light to the interaction of a QD at a C-point is …

Webb1 sep. 2024 · The slow light of the linear-defect waveguide is due to the influence of the back scattering of the boundary on the Bloch modes induced by photonic band gap effect. Therefore, the structural parameters of the adjacent defect element have a great influence on the slow light mode. Webb17 aug. 2024 · In this paper, we have proposed a polymer-based photonic crystal (PhC) resonator, with multiple sizes of cavities, and a waveguide to be used as highly sensitive …

Webb14 apr. 2024 · Figure 6c simulates the propagation loss curve of the TM bound mode in the straight waveguide as a function of waveguide width Ws when the light wavelength is 1.55 μm, ... that the propagation loss of the bent waveguide decays exponentially with increasing bending radius and changes more slowly as it increases to 500 μm. Webb8 apr. 2024 · This paper presents design and numerical investigations of an ultra-compact, and highly-efficient plasmonic absorber based on metal–insulator–metal waveguides. The proposed device offers multiple narrow-band absorption at visible and near-infrared wavelengths with peak absorbance between 81 and 100%. The finite element method …

Webb1 feb. 2016 · Slow light can result in significant improvement of interaction between the dielectric material and the electromagnetic field and hence nonlinear properties are …

Webbyet functional grating waveguide with slow down factor c/v g at 163 and slow light bandwidth Δω at 94.4 nm centered at 10.38 μm, which is several orders of magnitude … howard the cab driverWebb1 slow light that operate at or near room temperature and occur in an optical waveguide. The waveguide geometry allows light-matter interactions to take place over long … howard theatre washingtonWebbthis frequency the dispersion law of the waveguide shows a singularity where dq/dω=∞. As a further development of the slow-light technique described above, we analyze the Bragg waveguide with a single quantum well grown inside it. Now, if the resonance frequency ω0of the quantum well lies below the cutoff frequency ¯ωof howard the duck #13Webb15 aug. 2012 · Because the waveguide modes below the light line are theoretically lossless, they are desirable for slow-light PCWs. As shown in Fig. 2 (a), two inflection … howard the duck alienWebb20 jan. 2024 · A lattice-shifted photonic crystal waveguide (LSPCW) maintains slow light as a guided mode and works as an optical antenna when a kind of double periodicity is … howard the duck 1986 beverly switzlerWebbSlow-Light-Enhanced Waveguide-Integrated Black Phosphorus Mid-Infrared Photodetector Abstract: Black phosphorus (BP) holds great promise for mid-infrared (MIR) photodetection on waveguide due to its narrow direct bandgap and layered lattice structure. howard the cat gmodWebb1 maj 2024 · Slow light waveguides in topological valley photonic crystals Slow light waveguides in topological valley photonic crystals Opt Lett. 2024 May 1;45 (9):2648 … howard the duck chip zien