Recent advances in the modeling of the impact of nonlinear fiber propagation effects on uncompensated coherent transmission systems

P Poggiolini, Y Jiang - Journal of Lightwave Technology, 2017 - opg.optica.org
The last few years have seen a wealth of new nonlinear propagation modeling results
appear in the literature, especially regarding coherent systems operating in the absence of …

Building a digital twin for intelligent optical networks [Invited Tutorial]

Q Zhuge, X Liu, Y Zhang, M Cai, Y Liu… - Journal of Optical …, 2023 - opg.optica.org
To support the development of intelligent optical networks, accurate modeling of the physical
layer is crucial. Digital twin (DT) modeling, which relies on continuous learning with real-time …

Accurate closed-form real-time EGN model formula leveraging machine-learning over 8500 thoroughly randomized full C-band systems

M Ranjbar Zefreh, F Forghieri, S Piciaccia… - Journal of Lightwave …, 2020 - opg.optica.org
We derived an approximate non-linear interference (NLI) closed-form model (CFM), capable
of handling a very broad range of optical WDM system scenarios. We tested the CFM over …

Modulation format dependence of digital nonlinearity compensation performance in optical fibre communication systems

T Xu, NA Shevchenko, D Lavery, D Semrau, G Liga… - Optics express, 2017 - opg.optica.org
The relationship between modulation format and the performance of multi-channel digital
back-propagation (MC-DBP) in ideal Nyquist-spaced optical communication systems is …

Improving MDM–WDM optical network performance via optimized power allocation using Gaussian noise model

MA Amirabadi, SA Nezamalhosseini, MH Kahaei… - Optical Fiber …, 2023 - Elsevier
The few-mode fiber nonlinearity has been well modeled by an additive Gaussian Noise (GN)
source. The available GN models in Mode Division Multiplexing–Wavelength Division …

Fiber nonlinearity and optical system performance

A Bononi, R Dar, M Secondini, P Serena… - Springer Handbook of …, 2020 - Springer
This chapter aims to provide a comprehensive picture of the impact of fiber nonlinear effects
on modern coherent wavelength division multiplexing (WDM) systems' performance. First …

A generalized GN-model closed-form formula

P Poggiolini - arxiv preprint arxiv:1810.06545, 2018 - arxiv.org
The GN-model of fiber non-linearity has had quite substantial success in modern optical
telecommunications networks as a design and management tool. A version of it, capable of …

Accurate non-linearity fully-closed-form formula based on the GN/EGN model and large-data-set fitting

P Poggiolini, MR Zefreh, G Bosco… - Optical Fiber …, 2019 - opg.optica.org
Accurate Non-Linearity Fully-Closed-Form Formula based on the GN/EGN Model and Large-Data-Set
Fitting Page 1 M1I.4.pdf OFC 2019 © OSA 2019 Accurate Non-Linearity Fully-Closed-Form …

Joint channel power and amplifier gain optimization in coherent DWDM systems

R Hashemi, H Beyranvand, H Rabbani - Optics Communications, 2020 - Elsevier
In this paper, the channel power and amplifier gain of coherent dense wavelength division
multiplexing (DWDM) fiber-optic communication systems are jointly optimized. The objective …

A novel approach for joint analytical and ml-assisted gsnr estimation in flexible optical network

F Arpanaei, B Shariati, P Safari, MR Zefreh… - … and Exhibition on …, 2022 - opg.optica.org
We propose a novel approach to perform QoT estimation relying on joint exploitation of
machine learning and analytical formula that offers accurate estimation when applied to …