In our paper devoted to the characterization of self-phase modulation in liquid filled hollow core photonic crystal fiber [J. Opt. Soc. Am. B 27, 1886 (2010)], we deduced the nonlinear coefficient of the fiber from the experimental broadened spectra. From this value, we calculated the nonlinear index change of deuterated acetone filling the fiber, using additional measurement of the effective mode area of the fiber. We recently discovered that an error had been introduced in that evaluation of this effective area, which we will correct here.
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