Mitigating the impact of noise on nonlinear frequency division multiplexing

S Civelli, E Forestieri, M Secondini - Applied Sciences, 2020 - mdpi.com
In the past years, nonlinear frequency division multiplexing (NFDM) has been investigated
as a potentially revolutionary technique for nonlinear optical fiber communication. However …

64× 0.5 Gbaud nonlinear frequency division multiplexed transmissions with high order modulation formats

ST Le, H Buelow - Journal of Lightwave Technology, 2017 - opg.optica.org
Nonlinear frequency division multiplexing (NFDM) with the modulation of the nonlinear
Fourier spectrum (both discrete and continuous parts) has been recently considered as a …

Experimental nonlinear frequency domain equalization of QPSK modulated 2-eigenvalue soliton

H Bülow, V Aref, K Schuh, W Idler - Optical Fiber Communication …, 2016 - opg.optica.org
Experimental Nonlinear Frequency Domain Equalization of QPSK Modulated 2-Eigenvalue
Soliton Page 1 Tu2A.3.pdf OFC 2016 © OSA 2016 Experimental Nonlinear Frequency Domain …

[HTML][HTML] Spectrally stitched WDM nonlinear frequency division multiplexed transmission system

A Moscoso-Mártir, O Schulz, A Misra, F Merget… - Optics …, 2023 - Elsevier
We present the concept and design of a 100 GHz PIC-based nonlinear frequency division
multiplexed transmission system in which four b-modulated spectrally overlapping channels …

Efficient precoding scheme for dual-polarization multi-soliton spectral amplitude modulation

A Span, V Aref, H Bülow… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Soliton pulses are special waveforms to account for nonlinearity in fiber optical
communication. They can be represented in a nonlinear spectrum by eigenvalues and …

Dispersion and nonlinearity identification for single-mode fibers using the nonlinear Fourier transform

P De Koster, S Wahls - Journal of Lightwave Technology, 2020 - opg.optica.org
Efficient fiber-optic communication requires precise knowledge of the fiber coefficients, but
these often change over time due to factors such as aging or bending. We propose a novel …

Neural networks for computing and denoising the continuous nonlinear Fourier spectrum in focusing nonlinear Schrödinger equation

EV Sedov, PJ Freire, VV Seredin, VA Kolbasin… - Scientific Reports, 2021 - nature.com
We combine the nonlinear Fourier transform (NFT) signal processing with machine learning
methods for solving the direct spectral problem associated with the nonlinear Schrödinger …

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

P De Koster, J Koch, O Schulz, S Pachnicke… - Optical Fiber …, 2022 - opg.optica.org
Experimental validation of nonlinear Fourier transform-based Kerr-nonlinearity identification
over a 1600 km SSMF link Page 1 Experimental validation of nonlinear Fourier transform-based …

Decision-feedback detection strategy for nonlinear frequency-division multiplexing

S Civelli, E Forestieri, M Secondini - Optics express, 2018 - opg.optica.org
By exploiting a causality property of the nonlinear Fourier transform, a novel decision-
feedback detection strategy for nonlinear frequency-division multiplexing (NFDM) systems is …

A lower bound on the per soliton capacity of the nonlinear optical fibre channel

NA Shevchenko, JE Prilepsky… - … Workshop-Fall (ITW), 2015 - ieeexplore.ieee.org
A closed-form expression for a lower bound on the per soliton capacity of the nonlinear
optical fibre channel in the presence of (optical) amplifier spontaneous emission (ASE) …