Digital twin of optical networks: a review of recent advances and future trends

D Wang, Y Song, Y Zhang, X Jiang… - Journal of Lightwave …, 2024‏ - ieeexplore.ieee.org
Digital twin (DT) has revolutionized optical communication networks by enabling their full life-
cycle management, including planning, prediction, optimization, upgrade, and …

Ultrawideband systems and networks: Beyond C+ L-band

T Hoshida, V Curri, L Galdino, DT Neilson… - Proceedings of the …, 2022‏ - ieeexplore.ieee.org
In the evolution of optical networks, spectral efficiency (SE) enhancement has been the most
cost-efficient and thus the main driver for capacity increase for decades. As a result, the …

Assessment on the achievable throughput of multi-band ITU-T G. 652. D fiber transmission systems

A Ferrari, A Napoli, JK Fischer, N Costa… - Journal of Lightwave …, 2020‏ - opg.optica.org
Fiber-optic multi-band transmission (MBT) aims at exploiting the low-loss spectral windows
of single-mode fibers (SMFs) for data transport, expanding by the available bandwidth of C …

GNPy model of the physical layer for open and disaggregated optical networking

V Curri - Journal of optical communications and networking, 2022‏ - opg.optica.org
Networking technologies are fast evolving to support the request for ubiquitous Internet
access that is becoming a fundamental need for the modern and inclusive society, with a …

Provisioning in multi-band optical networks

N Sambo, A Ferrari, A Napoli, N Costa… - Journal of Lightwave …, 2020‏ - ieeexplore.ieee.org
Multi-band (MB) optical transmission promises to extend the lifetime of existing optical fibre
infrastructures, which usually transmit within the C-band only, with C+ L-band being also …

Power control strategies and network performance assessment for multiband optical transport

B Correia, R Sadeghi, E Virgillito, A Napoli… - Journal of Optical …, 2021‏ - opg.optica.org
Spatial-division multiplexing (SDM) and band-division multiplexing (BDM) have emerged as
solutions to expand the capacity of existing C-band wavelength-division multiplexing (WDM) …

Machine learning techniques for quality of transmission estimation in optical networks

Y Pointurier - Journal of Optical Communications and …, 2021‏ - ieeexplore.ieee.org
The estimation of the quality of transmission (QoT) in optical systems with machine learning
(ML) has recently been the focus of a large body of research. We discuss the sources of …

Digital longitudinal monitoring of optical fiber communication link

T Sasai, M Nakamura, E Yamazaki… - Journal of Lightwave …, 2021‏ - opg.optica.org
Optical transmission links are generally composed of optical fibers, optical amplifiers, and
optical filters. In this paper, we present a channel reconstruction method (CRM) that extracts …

Scalable and disaggregated GGN approximation applied to a C+ L+ S optical network

A D'Amico, B Correia, E London, E Virgillito… - Journal of Lightwave …, 2022‏ - opg.optica.org
We investigate quality of transmission (QoT) estimation in a multi-band transmission
scenario, including a wideband description of the frequency-dependent physical layer …

Machine learning regression for QoT estimation of unestablished lightpaths

M Ibrahimi, H Abdollahi, C Rottondi, A Giusti… - Journal of Optical …, 2021‏ - opg.optica.org
Estimating the quality of transmission (QoT) of a candidate lightpath prior to its establishment
is of pivotal importance for effective decision making in resource allocation for optical …