hexagonal photonic crystal fibers
Low-Flattened Dispersion Hexagonal Photonic Crystal Fiber With Low Confinement Loss
... the photonic crystal fibers (PCFs) are investigated to explore their potential in the dispersion control as an alternative to conventional solid core/cladding optical fibers ...of ...
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Designing of Index-Guiding Photonic Crystal Fibre by Finite Element Method Simulation
... possessing photonic band gaps: range of frequency in which light cannot propagate through the ...co-worker, Photonic crystal fiber consists of a pure silica core surrounded by a silica-air ...
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Ultra low bending loss equiangular spiral photonic crystal fibers in the terahertz regime
... for use in the Terahertz regime is presented. The design shows ultra low bending loss and very low confinement loss compared to conventional Hexagonal PCF (H-PCF). The ES- PCF has excellent modal confinement ...
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Highly Nonlinear and Near-Zero Ultra-Flattened Dispersion Dodecagonal Photonic Crystal Fibers
... In order to reduce the physical length and required operating powers, and to maximize the operating bandwidth of many such devices, it is generally desirable to use fibers with the highest nonlinearity, lowest confinement ...
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DESIGN AND ANALYSIS OF HEXAGONAL PHOTONIC CRYSTAL FIBER WITH ULTRA-HIGH BIREFRINGENT AND LARGE NEGATIVE DISPERSION COEFFICIENT FOR THE APPLICATION OF SENSING AND BROADBAND DISPERSION COMPENSATING FIBER
... So many attempts have been taken to achieve ultra- high birefringence and large negative dispersion by different groups. With the high birefringence of 1.67×10 -2 and large value of negative dispersion of -239.5 ...
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Improvement of Optical Properties in Hexagonal Index-guiding Photonic Crystal Fiber for Optical Communications
... Optical fibers can also be employed in such systems. Besides optical fibers, photonic crys- tal fibers are also highly suitable transmission media for optical communica- tion ...index-guiding ...
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Analysis of Optical Properties for Square, Circular and Hexagonal Photonic Crystal Fiber
... offer also low attenuation, and bending losses. Besides, fiber dispersion and con- finement loss also play very important roles in broadband communications sys- tems. This is rigorously achieved by ensuring ...
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Design and Simulation of Photonic Crystal Fiber with Low Dispersion Coefficient in Band Terahertz
... the photonic band gap. These fibers are used for various applications with attention to ...regular hexagonal network with small air cavities with center defects that is guided by the correction of ...
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Investigation on Periodically Surface Corrugated Long Period Gratings Inscribed on Photonic Crystal Fibers
... Figure 2a shows the schematic structure of the proposed PCF-based LPG. Figure 2b exhibits the photography of the surface of the fabricated LPG inscribed on the PCF measured by using an optical microscope. The azimuthally ...
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Numerical analysis of second harmonic generation in soft glass equiangular spiral photonic crystal fibers
... Abstract: In this study, the accurate and numerically efficient Finite Element (FE) based Beam Propagation Method (BPM) has been employed to investigate Second Harmonic Generation (SHG) in highly nonlinear soft glass ...
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Design of Ultra Low Loss Highly Nonlinear Dispersion Flattened Octagonal Photonic Crystal Fibers
... in the form of periodic array of air-holes in either circular or in elliptical shape which might be in the form of hexagonal pattern. This will result in the periodic variation in refractive index around the ...
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Wideband Dispersion Compensation in Hexagonal Lattice Photonic Crystal Fiber
... on photonic crystals such as optical fibers [1], [2]. The photonic crystal fibers have microscopic arrays of air channels that help tuning the dispersion and control the confinement ...
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Comparative Study on Octagonal Photonic Crystal Fiber with Different Air Holes for Supercontinuum Generation
... Photonic crystal fibers consisting of a central defect region in a regular lattice of air holes have attracted many recent applications due to its flexibility in ...design.The photonic ...
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Tapered photonic crystal fibers coated with ultra-thin films for highly sensitive bio-chemical sensing
... air-holes in the cladding arranged in a hexagonal pattern [5]. A micrograph of our PCF cross section is presented in Fig. 1 (left). We used a PCF with the following parameters: outer diameter of 125 μm, core ...
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Design of Structural Parameters of Photonic Crystal Fibers for Optimization of Dispersion Flattening Management Using FDTD Method
... The management of the chromatic dispersion, which is achieved by doping the core of a PCF doped with Germanium was reported [13]. An ultra-flattened dispersion with a range of values from -210 ps/nm.km up to 15 ps/nm.km ...
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5805.pdf
... incorporating photonic crystal structures in the form of surface patterning in DSSC is an effective way for solar energy conversion with all the LHE variation in error ...the hexagonal patterned ...
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Spiral photonic crystal fibers
... conventional fibers, where the Raman effect and solition fission are responsible for long wavelengths and dispersive waves generate short wavelengths component ...
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Finite element modelling of photonic crystal fibres
... Rahman, 8.M.A., Kabir, A.K.M.S., Ahmed, M.I., Rajarajan, M., and Grattan, K.T.V., "Rigorous modal solutions of photonic crystal fibers by using the full-vectorial H-field finite element [r] ...
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Multi channel polarized thermal emitter
... MIR radiation emitted by a polarized thermal emitter PTE having a homogeneous backplane and a metallic photonic crystal positioned on the backplane, the metallic photonic crystal having [r] ...
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Effective Soliton Fusion Process at the Advanced Stage of Supercontinuum Generation in Photonic Crystal Fibers
... Soliton fusion is a fascinating and delicate phenomenon that manifests itself in optical fibers in case of interaction be- tween co-propagating solitons with small temporal and wavelengths separation. The ...
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