11 May 2011 Photonic crystal fiber with flattened dispersion
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The contribution of this work is a new flat-dispersion fiber operating at telecom wavelengths. The investigation of chromatic dispersion in PCFs is implemented by the study of modified highly-nonlinear PCF with flattened dispersion. Required dispersion properties, achieved by balancing material and waveguide dispersion contribution, should be done for wide spectrum of wavelengths. Flat dispersion could be used for dispersion compensation purposes in systems with wavelength division multiplex. The main attention is paid to photonic crystal fibers that exhibit unique properties, being the result of selective doping of rings of holes in the considered structures. It is shown from numerical results that flattened dispersion of -0.025 ps/nm/km from a wavelength of 1200 nm to 1700 nm is achieved using a highly nonlinear photonic crystal fiber. The systematic study includes the description of mutual relations between fiber chromatic dispersion and the structural or material parameters. The results are obtained by using the full-vectorial finite difference frequency domain method.
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M. Lucki, M. Lucki, } "Photonic crystal fiber with flattened dispersion", Proc. SPIE 8073, Optical Sensors 2011; and Photonic Crystal Fibers V, 80732P (11 May 2011); doi: 10.1117/12.886807; https://doi.org/10.1117/12.886807

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