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 …

Power control strategies and network performance assessment for C+ L+ S multiband optical transport

B Correia, R Sadeghi, E Virgillito… - Journal of Optical …, 2021 - ieeexplore.ieee.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) …

Challenges and enabling technologies for multi-band WDM optical networks

N Deng, L Zong, H Jiang, Y Duan… - Journal of Lightwave …, 2022 - opg.optica.org
The ever increasing capacity demand on optical networks and the slowdown of improving
spectral efficiency lead to the solution of utilizing more wavelength band in existing optical …

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 …

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 …

SNR re-verification-based routing, band, modulation, and spectrum assignment in hybrid C-C+ L optical networks

Q Yao, H Yang, B Bao, J Zhang, H Wang… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Band division multiplexing technology is a promising medium-term transitional solution to
deal with the traffic flood, by leveraging the existing optical fiber transmission infrastructure …

2005 Tb/s transmission with S+ C+ L amplification covering 150 nm bandwidth over 2× 100 km PSCF spans

X Zhao, S Escobar-Landero, D Le Gac… - … and Exhibition on …, 2022 - opg.optica.org
200.5 Tb/s Transmission with S+C+L Amplification Covering 150 nm Bandwidth over 2×100
km PSCF Spans Page 1 200.5 Tb/s Transmission with S+C+L Amplification Covering 150 …

Flexible technologies to increase optical network capacity

A Lord, SJ Savory, M Tornatore… - Proceedings of the …, 2022 - ieeexplore.ieee.org
Increased global traffic puts tough requirements not just on fiber communications links but
on the entire network. This manifests itself in multiple ways, including how to optimize …

C+ L-band upgrade strategies to sustain traffic growth in optical backbone networks

T Ahmed, A Mitra, S Rahman… - Journal of Optical …, 2021 - ieeexplore.ieee.org
We investigate cost-efficient upgrade strategies for capacity enhancement in optical
backbone networks enabled by C+ L-band optical line systems. A multi-period strategy for …

SRS-Net: a universal framework for solving stimulated Raman scattering in nonlinear fiber-optic systems by physics-informed deep learning

Y Song, M Zhang, X Jiang, F Zhang, C Ju… - Communications …, 2024 - nature.com
As a crucial nonlinear phenomenon, stimulated Raman scattering (SRS) plays multifaceted
roles involved in forward and inverse problems. In fibre-optic systems, these roles range …