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This paper presents optimization of a highly nonlinear soft glass photonic crystal fiber (PCF) design with decagonal structure. In the core of PCF an elliptical air hole is designed to increase birefringence. Investigation of nonlinear coefficient of PCF design for various parameters is done using finite element method (FEM). Nonlinear coefficient of 282.83 W−1km−1 and 486.26 W−1km−1 for X and Y polarized...
Novel elliptical spiral photonic crystal fiber(PCF) having ultra-flattened negative dispersion, high nonlinearity and high birefringence is proposed. The finite element method is used to optimize the guiding properties. This design provides negative dispersion that is ultra-flattened within range of wavelength from 1385 nm to 1990 nm with deviation of ± 1.5 ps/nm/km. Dispersion value of −93.577 ps/nm/km...
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