Channel model and the achievable information rates of the optical nonlinear frequency division-multiplexed systems employing continuous b-modulation

Stanislav Derevyanko, Muyiwa Balogun, Ofer Aluf, Dmitry Shepelsky, Jaroslaw E. Prilepsky

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23 Scopus citations


Following the rise in interest in transmission systems employing the nonlinear Fourier transform (NFT) for the nonlinearity mitigation, we present the theoretical analysis of the achievable information rates in these systems, addressing the case of continuous b-modulated systems. Using adiabatic perturbation theory and the asymptotic analysis by means of Riemann-Hilbert problem, we obtain a remarkably simple input-output relation for arbitrary b-modulated transmission. Based on this model, we estimated the spectral efficiency for various single polarization (scaled and unscaled) b-modulated systems and observed an excellent agreement between our theory and the numerical results in the regime when the inline amplifier noise is the dominant source of spectral distortion.

Original languageEnglish
Pages (from-to)6384-6406
Number of pages23
JournalOptics Express
Issue number5
StatePublished - 1 Mar 2021

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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