Crystal waveguide

WebMar 6, 2015 · A photonic-crystal waveguide sensor is presented for biosensing. The sensor is applied for refractive index measurements and detection of protein-concentrations. … WebWe have presented adjustable enhanced Goos-Hänchen (GH) shift in a magneto-optical photonic crystal (MOPC) waveguide. The waveguide consists of a top layer of ferrite rods and a lower MOPC with opposite biased dc external magnetic fields (EMFs), and it supports both odd-like and even-like modes simultaneously. The simulation results show the odd …

J Free Full-Text Rethinking Figure-of-Merits of Liquid Crystals ...

WebThe waveguide is periodic in the direction of propagation, with period = a * sqrt(3), where a is the photonic crystal lattice constant. Since a = 400 nm, we have a period of approximately 693 nm. However, if we consider the … WebMar 6, 2024 · And the optical waveguides of the straight crystal and bent crystal were displayed in Fig. 6c and d. The optical loss values of the straight crystal (0.270 dB/mm) and bent crystal (0.274 dB/mm) have the close value (Fig. 6e-f), suggesting the highly elastic property and waveguide performance of DPIN organic crystal. chuck and don\\u0027s minneapolis https://mans-item.com

J Free Full-Text Rethinking Figure-of-Merits of Liquid Crystals ...

WebMar 31, 2016 · Electric fields intensity of the photonic crystal waveguide in the xy-plane at z = 0 for a d- (σ- polarised) dipole source located at a chiral-point within the waveguide. The area shown is x = 8 ... Webcrystal waveguide and save the field profile every second lattice period at the same position relative to the unit cell as in the mode solve. We perform a discrete Fourier transform on the field cross section and extract the fre-quencies corresponding to the photonic crystal waveguide modes of interest. A strip waveguide is basically a strip of the layer confined between cladding layers. The simplest case is a rectangular waveguide, which is formed when the guiding layer of the slab waveguide is restricted in both transverse directions rather than just one. Rectangular waveguides are used in integrated optical circuits and in laser diodes. They are commonly used as the basis of such optical components as Mach–Zehnder interferometers and wavelength division multiplexers. The cavities of laser … designer shopping on the amalfi coast

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Category:Wideband Slow Light in a Line-defect Annular Photonic-crystal Waveguide

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Crystal waveguide

Slow light in photonic crystals Nature Photonics

WebDec 7, 2024 · The application of the photonic crystal (PC) waveguide (WG) as the light delivery system in the heat-assisted magnetic recording (HAMR) system is … Webliquid crystal waveguide-based mechanical laser beam steerer on the fused silica substrate, which provides unprecedented advantages such as large angular deflection, rapid response, and small size. This original device is based on the liquid crystal, which is the material of the largest

Crystal waveguide

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WebIn this theoretical study, a line-defect photonic-crystal waveguide hosted in an annular photonic crystal was demonstrated to provide high-performance slow light with a wide band, low group-velocity dispersion, and a large normalized delay-bandwidth product. Combined with structural-parameter optimization and selective optofluid injection, the normalized … WebThe general technique is outlined, and the case of a waveguide termination in a square lattice rods-in-air photonic crystal is demonstrated. A compact waveguide termination is designed that shows a fivefold increase in power incident upon …

WebTypically, trans- mittances are calculated to 0.1 % accuracy or better. In Fig. 2 we display a typical contour map which shows coupler performance as a function of wave- length and … WebFor periodically patterned waveguides, such as the line-defect photonic crystal waveguide, we simulate one unit cell along its propagation direction. For any uniform …

WebAug 17, 2024 · The demand for reconfigurable millimetre-wave (mm-Wave) components based on highly anisotropic liquid crystals (LC) is higher than ever before for the UK and … WebIn a photonic crystal waveguide in which the waveguide axis is the z-direction, the Bloch wavefield in the waveguide can be written in the form: Figure 6. (a) The top view of a …

WebBloch Modes of a Photonic Crystal Waveguide Simulation with CrystalWave software. CrystalWave can be used to design and simulate any kind of photonic crystal waveguide. In this case we are calculating the …

WebFeb 1, 1997 · The first planar optical waveguide to the authors' knowledge has been formed in Cu-doped potassium sodium strontium barium niobate crystal by mega-electron-volt He(+) implantation. Both TE and TM modes are observed. The profiles of the ordinary and the extraordinary refractive indices are deduced fr … chuck and don\u0027s maple groveWebBandstructure of photonic crystal waveguide - Line defect (varFDTD) Bandstructure of photonic crystal with a woodpile lattice; Bandstructure of photonic crystal with loss; Bandstructure of planar photonic crystal with a hexagonal lattice; Bandstructure of planar photonic crystal with a square lattice (varFDTD) Bloch mode profile - Photonic crystal designer shops in bathWebSep 2, 2024 · The Photonic Crystal (PC) taper integrated between Single Mode Fiber (SMF) and photonic device for optimum power coupling for different waveguide lengths (8 μm and 0.99 μm) is designed and analyzed. Different geometries of the taper such as triangular, rectangular and Butt coupler are considered for investigation. The transmission … chuck and don\u0027s online orderWebTo form the PhC waveguide, delete unused holes and the central row of the holes, and modify the holes above and below the central row. You can group the array of holes into a structure group. Add a varFDTD simulation region and set the span to 15 by 12 by 6 um (x,y, z), set the polarization to "E mode (TE)", set x0 and y0 in the core region ... chuck and don\u0027s northfieldWebPlanar photonic crystal waveguide structures have been modelled using the finite-difference-time-domain method and perfectly matched layers have been employed as boundary conditions. Comprehensive numerical calculations have been performed and compared to experimentally obtained transmission spectra for various photonic crystal … chuck and don\u0027s mplsWebJun 23, 2024 · A two-dimensional photonic crystal waveguide with thermally tunable photonic bandgap is proposed. The tunability of the photonic bandgap is achieved by the … designer shopping in dubaiWebAug 13, 2024 · Phononic crystal waveguides replace the cladding of classical homogeneous waveguides by a crystal possessing a complete phononic bandgap. We … designer shops in crete