1 June 2015 Measurement of nonlinear refractive index based on multiple configuration of FBG in generating multi wavelength
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Abstract
A reliable method for measurement of the nonlinear refractive index through application of multi wavelength phenomenon. Multi wavelength realisation based on Erbium doped fibre laser (EDFL) is proposed and experimentally demonstrated. A combination of 15 m high efficiency Erbium doped fibre (EDF) and a 20 m Photonic Crystal Fibre (PCF) as main catalyst to suppress the homogenous broadening of EDF and to obtain highly stability of multi wavelength through insertion of a set of fibre Bragg gratings (FBGs) in the cavity. This PCF has zero dispersion of 1040 nm which mismatch from transmission window of 1550 nm. A reliable repeatability of multi wavelength based on multiple configuration of FBGs less than 0.2% obtained. This consistent results influence in determination of nonlinear refractive index by relation of four wave mixing (FWM).
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Mohd Nizam Abdullah, Mohd Nizam Abdullah, Sahbudin Shaari, Sahbudin Shaari, Abang Annuar Ehsan, Abang Annuar Ehsan, Susthitha Menon, Susthitha Menon, Osman Zakaria, Osman Zakaria, } "Measurement of nonlinear refractive index based on multiple configuration of FBG in generating multi wavelength", Proc. SPIE 9520, Integrated Photonics: Materials, Devices, and Applications III, 95200Q (1 June 2015); doi: 10.1117/12.2178252; https://doi.org/10.1117/12.2178252
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