Numerical direct scattering transform for breathers

II Mullyadzhanov, AS Gudko… - … of the Royal …, 2024 - royalsocietypublishing.org
We consider the model of the focusing one-dimensional nonlinear Schrödinger equation
(fNLSE) in the presence of an unstable constant background, which exhibits coherent …

Periodic finite-band solutions to the focusing nonlinear Schrödinger equation by the Fokas method: inverse and direct problems

D Shepelsky, I Karpenko… - Proceedings of the …, 2024 - royalsocietypublishing.org
We consider the Riemann–Hilbert (RH) approach to the construction of periodic finite-band
solutions to the focusing nonlinear Schrödinger (NLS) equation. An RH problem for the …

Finite-Genus Solutions-based Optical Communication with the Riemann-Hilbert Problem Transmitter and a Convolutional Neural Network Receiver

S Bogdanov, D Shepelsky… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
In the study, we develop a new optical communication system based on the nonlinear
Fourier transform for generic (quasiperiodic) finite-genus solutions to the nonlinear …

The cell-average based neural network for numerical approximation of the nonlinear Schrödinger equation

D Hu, C Qiu, B Yang, B Li - Nonlinear Dynamics, 2024 - Springer
Given the advantages of machine learning method with accuracy and high efficiency, when
compared with classical numerical methods, the cell-average based neural network (CANN) …

Complexity Reduction of Neural Networks for Nonlinear Fourier Transform in Optical Transmission Systems

S Bogdanov, PJ Freire… - 2024 IEEE International …, 2024 - ieeexplore.ieee.org
The nonlinear Fourier transform (NFT) method was proposed a decade ago as a tool for the
mitigation of nonlinear impairments in fiber-optic communication systems. Within the NFT …

Fiber-optic communications based on finite-genus solutions to the NLS with a convolutional neural network receiver

S Bogdanov, JE Prilepsky, D Shepelsky… - 49th European …, 2023 - ieeexplore.ieee.org
We present a novel fibre-optic transmission system based on the phase modulation via
nonlinear Fourier transform for finite-genus signals with no periodicity constraint, which is …