Compensation of fiber nonlinearities in digital coherent systems leveraging long short-term memory neural networks

S Deligiannidis, A Bogris, C Mesaritakis… - Journal of Lightwave …, 2020 - opg.optica.org
We introduce for the first time the utilization of Long short-term memory (LSTM) neural
network architectures for the compensation of fiber nonlinearities in digital coherent systems …

Performance and complexity analysis of bi-directional recurrent neural network models versus volterra nonlinear equalizers in digital coherent systems

S Deligiannidis, C Mesaritakis… - Journal of Lightwave …, 2021 - opg.optica.org
We investigate the complexity and performance of recurrent neural network (RNN) models
as post-processing units for the compensation of fibre nonlinearities in digital coherent …

Ultralow complexity long short-term memory network for fiber nonlinearity mitigation in coherent optical communication systems

H Ming, X Chen, X Fang, L Zhang, C Li… - Journal of Lightwave …, 2022 - opg.optica.org
Fiber Kerr nonlinearity is a fundamental limitation to the achievable capacity of long-distance
optical fiber communication. Digital back-propagation (DBP) is a primary methodology to …

Advanced convolutional neural networks for nonlinearity mitigation in long-haul WDM transmission systems

O Sidelnikov, A Redyuk, S Sygletos… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
Practical implementation of digital signal processing for mitigation of transmission
impairments in optical communication systems requires reduction of the complexity of the …

Transfer learning for neural networks-based equalizers in coherent optical systems

PJ Freire, D Abode, JE Prilepsky, N Costa… - Journal of Lightwave …, 2021 - opg.optica.org
In this work, we address the question of the adaptability of artificial neural networks (NNs)
used for impairments mitigation in optical transmission systems. We demonstrate that by …

Revisiting efficient multi-step nonlinearity compensation with machine learning: An experimental demonstration

V Oliari, S Goossens, C Häger, G Liga… - Journal of Lightwave …, 2020 - opg.optica.org
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 …

Complex-valued neural network design for mitigation of signal distortions in optical links

PJ Freire, V Neskornuik, A Napoli… - Journal of Lightwave …, 2020 - ieeexplore.ieee.org
Nonlinearity compensation is considered as a key enabler to increase channel transmission
rates in the installed optical communication systems. Recently, data-driven approaches …

Field and lab experimental demonstration of nonlinear impairment compensation using neural networks

S Zhang, F Yaman, K Nakamura, T Inoue… - Nature …, 2019 - nature.com
Fiber nonlinearity is one of the major limitations to the achievable capacity in long distance
fiber optic transmission systems. Nonlinear impairments are determined by the signal …

Convolutional long short-term memory neural network equalizer for nonlinear Fourier transform-based optical transmission systems

O Kotlyar, M Kamalian-Kopae, M Pankratova… - Optics …, 2021 - opg.optica.org
We evaluate improvement in the performance of the optical transmission systems operating
with the continuous nonlinear Fourier spectrum by the artificial neural network equalisers …

A direct learning approach for neural network based pre-distortion for coherent nonlinear optical transmitter

G Paryanti, H Faig, L Rokach, D Sadot - Journal of Lightwave …, 2020 - opg.optica.org
High throughput coherent optical transmitters are key components in future optical
communication infrastructure. However, these transmitters are often distorted with the …