16 May 2017 Engineering ultra-flattened normal dispersion photonic crystal fiber with silica material
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Abstract
The tailoring of the group velocity dispersion (GVD) of an optical fiber is critical in many applications, influence on the bandwidth of information transmission in optical communication systems, successful utilization of nonlinear optical properties in applications such as supercontinuum generation, wavelength conversion and harmonic generation via stimulated Raman scattering ...In this work, we propose a design of ultra-flattened photonic crystal fiber by changing the diameter of the air holes of the cladding rings. The geometry is composed of only four rings, hexagonal structure of air holes and silica as background of the solid core. As a result, we present structures with broadband flat normal dispersion on many wavelengths bands useful for several applications. We obtain flat normal dispersion over 1000 nm broadband flat normal dispersion below -7 [ps/nm.km], and ultra-flat near zero normal dispersion below -0.2 [ps/nm.km] over 150 nm. The modeled photonic crystal fiber would be valuable for the fabrication of ultra-flattened-dispersion fibers, and have potential applications in wide-band high-speed optical communication systems, supercontinuum generation and many other applications.
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Mohamed Lamine Ferhat, Mohamed Lamine Ferhat, Lynda Cherbi, Lynda Cherbi, Lies Bahloul, Lies Bahloul, Abdelhafid Hariz, Abdelhafid Hariz, } "Engineering ultra-flattened normal dispersion photonic crystal fiber with silica material", Proc. SPIE 10232, Micro-structured and Specialty Optical Fibres V, 102320I (16 May 2017); doi: 10.1117/12.2265204; https://doi.org/10.1117/12.2265204
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