25 October 2011 Calculation of higher order dispersion coefficients in photonic crystal fibers
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Abstract
We present the calculations of the higher order dispersion coefficients in a photonic crystal fiber. The dispersion coefficient is obtained from the calculated effective index of the fiber structure by double differentiation with respect to the wavelength (or frequency), or from the integral formula used to calculate the group index. Although both approaches are equivalent we show that they lead to totally dissimilar results, like different zero dispersion wavelength and hence the higher-order dispersion coefficients are different. In fact, the way in which the higher-order dispersion coefficients are calculated will affect the prediction of the dynamics of the supercontinuum generation. This effect will be discussed in this work.
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A. Martínez-Rios, A. Martínez-Rios, Boaz Ilan, Boaz Ilan, I. Torres-Gómez, I. Torres-Gómez, D. Monzon-Hernandez, D. Monzon-Hernandez, D. E. Ceballos-Herrera, D. E. Ceballos-Herrera, } "Calculation of higher order dispersion coefficients in photonic crystal fibers", Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 80110A (25 October 2011); doi: 10.1117/12.901625; https://doi.org/10.1117/12.901625
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