Digital signal processing for fiber nonlinearities [Invited] clickable element to expand a topic
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Recent progress in coherent optical communication, a field revived by advances in digital
signal processing (DSP), is reviewed. DSP-based phase and polarization management …

We propose a new machine-learning approach for fiber-optic communication systems
whose signal propagation is governed by the nonlinear Schrödinger equation (NLSE). Our …

Kerr nonlinearity imposes a limit on the achievable transmission performance and capacity
of optical fibre communication links. We show that the nonlinear distortions of a pair of phase …

Digital backpropagation (BP) is a universal method for jointly compensating dispersion and
nonlinear impairments in optical fiber and is applicable to signals of any modulation format …

Next-generation optical fiber systems will employ coherent detection to improve power and
spectral efficiency, and to facilitate flexible impairment compensation using digital signal …

We explore the potential benefits of digital nonlinearity compensation (NLC) techniques in
fully loaded coherent wavelength-division multiplexed (WDM) transmission systems. After …

The performance of digital backpropagation (DBP) equalization when applied over multiple
channels to compensate for the nonlinear impairments in optical fiber transmission systems …

Digital signal processing (DSP) combined with coherent detection has played a central role
in the recent capacity expansion of optical networks. Optical superchannels aim to increase …

Efficient nonlinearity compensation in fiber-optic communication systems is considered a
key element to go beyond the “capacity crunch”. One guiding principle for previous work on …