Abstract
This paper aims to analyze solid silica core based Photonic Crystal Fibre (PCF). The proposed structures consists of three inner layers of hexagonal shaped air holes and four outer layers of circular shaped holes and compare it with oval shaped structure. The broadband dispersion compensation and confinement loss covering the O, E, S, C and L bands and observed zero and negative dispersion in O and E band also very low confinement loss in all bands. The diameter of air holes is varied to generate flattened dispersion characteristics for the hybrid cladding PCF structure. Our purpose is to attain high non-linearity along with low confinement loss of two layered photonic crystal fibre for different air fill fraction d/Λ (0.65–0.95) values. Also, it is shown that the non-linear coefficient magnifies with the decreasing wavelength in PCF and the confinement losses are less than 0.001dB/km in the O-E-S-C-L wavelength range from (1.2 to 1.6) μm.
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