Cost-effective strategies to scale the capacity of regional optical transport networks

J Pedro, N Costa, S Sanders - Journal of Optical Communications …, 2022 - opg.optica.org
The different segments of optical transport networks—including metro, regional, and long-
haul—will have to scale to accommodate growing capacity requirements. In metro networks …

Optical layer impairments and their mitigation in C+ L+ S+ E+ O multi-band optical networks with G. 652 and loss-minimized G. 654 fibers

C Zhang, X Liu, J Li, A Zhang, H Liu… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
The combination of multi-band optical transmission and ITU-T G. 654 loss-minimized large-
effective-area fibers enables superior network performance in the low-loss C+ L wavelength …

A generalized Raman scattering model for real-time SNR estimation of multi-band systems

C Lasagni, P Serena, A Bononi… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
We investigate the impact of stimulated Raman scattering (SRS) in multi-band
transmissions. We first derive and test against numerical results an extended …

Machine learning-assisted nonlinear-impairment-aware proactive defragmentation for C+L band elastic optical networks

RK Jana, BC Chatterjee, AP Singh… - Journal of Optical …, 2022 - opg.optica.org
Efficient resource allocation and management can enhance the capacity of an optical
backbone network. In this context, spectrum retuning via hitless defragmentation has been …

Transparent vs translucent multi-band optical networking: Capacity and energy analyses

R Sadeghi, B Correia, A Souza, N Costa… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Multi-band optical fiber transmission is generally proposed for capacity upgrades in optical
transport networks. To comprehensively assess the potential of multi-band transmission, key …

Benefits of counterpropagating Raman amplification for multiband optical networks

A Souza, N Costa, J Pedro, J Pires - Journal of Optical …, 2022 - opg.optica.org
Multiband (MB) optical fiber transmission systems can unlock additional capacity in existing
optical fiber infrastructures, enabling them to keep up with the increase in traffic demand …

Migration of elastic optical networks to the C+ L-bands subject to a partial upgrade of the number of erbium-doped fiber amplifiers

S Hosseini, I de Miguel, N Merayo… - Journal of Optical …, 2023 - opg.optica.org
Space division multiplexing (SDM) and band division multiplexing (BDM) are considered
promising technologies to increase the capacity of optical transport networks. The …

Launch power optimization for dynamic elastic optical networks over C+ L bands

F Arpanaei, MR Zefreh, JA Hernandez… - arXiv preprint arXiv …, 2023 - arxiv.org
We propose an algorithm for calculating the optimum launch power over the entire C+ L
bands by maximizing the cumulative link GSNR of a channel plan built upon multiple …

Multi-band transparent optical network planning strategies for 6G-ready European networks

SK Patri, A Autenrieth, JP Elbers… - Optical Fiber …, 2022 - Elsevier
As long-haul network operators upgrade core optical networks to support 5G services,
research and standardization efforts for 6G have begun. Keeping in mind the ever-growing …

S+ C+ L High-Capacity Transmission Systems: Challenges and Opportunities

S Escobar-Landero, A Lorences-Riesgo… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
More than two decades after the first terabit transmission using the C+ L band, recent
advancements in ultra-wideband (UWB) technology have demonstrated remarkably high …