Artificial neural networks for photonic applications—from algorithms to implementation: tutorial

P Freire, E Manuylovich, JE Prilepsky… - Advances in Optics and …, 2023 - opg.optica.org
This tutorial–review on applications of artificial neural networks in photonics targets a broad
audience, ranging from optical research and engineering communities to computer science …

Computational complexity optimization of neural network-based equalizers in digital signal processing: a comprehensive approach

P Freire, S Srivallapanondh, B Spinnler… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Experimental results based on offline processing reported at optical conferences
increasingly rely on neural network-based equalizers for accurate data recovery. However …

Neural networks-based equalizers for coherent optical transmission: Caveats and pitfalls

PJ Freire, A Napoli, B Spinnler, N Costa… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
This paper performs a detailed, multi-faceted analysis of key challenges and common
design caveats related to the development of efficient neural networks (NN) based nonlinear …

[HTML][HTML] Machine learning for optical fiber communication systems: An introduction and overview

JW Nevin, S Nallaperuma, NA Shevchenko, X Li… - Apl Photonics, 2021 - pubs.aip.org
Optical networks generate a vast amount of diagnostic, control, and performance monitoring
data. When information is extracted from these data, reconfigurable network elements and …

Reducing computational complexity of neural networks in optical channel equalization: From concepts to implementation

PJ Freire, A Napoli, B Spinnler… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
This paper introduces a novel methodology for developing low-complexity neural network
(NN) based equalizers to address impairments in high-speed coherent optical transmission …

Deep neural network-aided soft-demapping in coherent optical systems: Regression versus classification

PJ Freire, JE Prilepsky, Y Osadchuk… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
We examine here what type of predictive modelling, classification, or regression, using
neural networks (NN), fits better the task of soft-demapping based post-processing in …

400 Gbit/s 4 mode transmission for IM/DD OAM mode division multiplexing optical fiber communication with a few-shot learning-based AffinityNet nonlinear equalizer

F Wang, R Gao, Z Li, J Liu, Y Cui, Q Xu, X Pan… - Optics …, 2023 - opg.optica.org
Nonlinear impairment in a high-speed orbital angular momentum (OAM) mode-division
multiplexing (MDM) optical fiber communication system presents high complexity and strong …

Implementing neural network-based equalizers in a coherent optical transmission system using field-programmable gate arrays

PJ Freire, S Srivallapanondh, M Anderson… - Journal of Lightwave …, 2023 - opg.optica.org
In this work, we demonstrate the offline FPGA realization of both recurrent and feedforward
neural network (NN)-based equalizers for nonlinearity compensation in coherent optical …

Towards FPGA implementation of neural network-based nonlinearity mitigation equalizers in coherent optical transmission systems

PJ Freire, M Anderson, B Spinnler, T Bex… - 2022 European …, 2022 - ieeexplore.ieee.org
For the first time, recurrent and feedforward neural network-based equalizers for nonlinearity
compensation are implemented in an FPGA, with a level of complexity comparable to that of …

Domain adaptation: The key enabler of neural network equalizers in coherent optical systems

PJ Freire, B Spinnler, D Abode, JE Prilepsky… - Optical Fiber …, 2022 - opg.optica.org
We introduce the domain adaptation and randomization approach for calibrating neural
network-based equalizers for real transmissions, using synthetic data. The approach …