Direct nonlinear Fourier transform algorithms for the computation of solitonic spectra in focusing nonlinear Schrödinger equation

A Vasylchenkova, JE Prilepsky, D Shepelsky… - … in Nonlinear Science …, 2019 - Elsevier
Starting from a comparison of some established numerical algorithms for the computation of
the eigenvalues (discrete or solitonic spectrum) of the non-Hermitian version of the Zakharov …

On the design of NFT-based communication systems with lumped amplification

M Kamalian, JE Prilepsky, ST Le… - Journal of Lightwave …, 2017 - ieeexplore.ieee.org
Nonlinear Fourier transform (NFT) based transmission technique relies on the integrability of
the nonlinear Schrödinger equation (NLSE). However, the lossless NLSE is not directly …

Nonlinear compensation in optical communications systems with normal dispersion fibers using the nonlinear Fourier transform

IT Lima, TDS DeMenezes, VS Grigoryan… - Journal of Lightwave …, 2017 - ieeexplore.ieee.org
We investigate the computational cost of the nonlinear Fourier transform (NFT) based on the
Zakharov-Shabat scattering problem as a nonlinear compensation technique for quadrature …

Periodic nonlinear Fourier transform for fiber-optic communications, Part II: eigenvalue communication

M Kamalian, JE Prilepsky, ST Le, SK Turitsyn - Optics express, 2016 - opg.optica.org
In this paper we propose the design of communication systems based on using periodic
nonlinear Fourier transform (PNFT), following the introduction of the method in the Part I. We …

Impact of perturbations on nonlinear frequency-division multiplexing

X Yangzhang, D Lavery, P Bayvel… - Journal of Lightwave …, 2018 - ieeexplore.ieee.org
Nonlinear frequency-division multiplexing (NFDM) is a communication scheme in which
users' signals are multiplexed in the nonlinear Fourier domain. The contributions of this …

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 …

Fast inverse nonlinear Fourier transforms for continuous spectra of Zakharov-Shabat type

S Wahls, V Vaibhav - arXiv preprint arXiv:1607.01305, 2016 - arxiv.org
The nonlinear Schr\" odinger equation (NSE) is well-known to model an ideal fiber-optic
communication channel. Even though the NSE is a nonlinear evolution equation, it can be …

Fast single-mode fiber nonlinearity monitoring: An experimental comparison between split-step and nonlinear Fourier transform-based methods

P De Koster, O Schulz, J Koch… - IEEE Photonics …, 2023 - ieeexplore.ieee.org
We experimentally investigate the problem of monitoring the Kerr-nonlinearity coefficient
from transmitted and received data for a single-mode fiber link of 1600 km length. We …

Modified nonlinear inverse synthesis for optical links with distributed Raman amplification

ST Le, JE Prilepsky, M Kamalian… - 2015 European …, 2015 - ieeexplore.ieee.org
We propose a modification of the nonlinear digital signal processing technique based on the
nonlinear inverse synthesis for the systems with distributed Raman amplification. The …