Experimental validation of nonlinear Fourier transform-based Kerr-nonlinearity identification over a 1600 km SSMF link

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Abstract

Recently, a nonlinear Fourier transform-based Kerr-nonlinearity identification algorithm was demonstrated for a 1000 km NZDSF link with accuracy of 75%. Here, we demonstrate an accuracy of 99% over 1600 km SSMF. Reasons for improved accuracy are discussed.