Metropolitan optical networks: A survey on single-layer architectures

LS de Sousa, AC Drummond - Optical Switching and Networking, 2023‏ - Elsevier
Metropolitan optical networks are undergoing significant transformations to continue being
able to provide services that meet the requirements of the applications of the future. The …

CAPEX savings enabled by point-to-multipoint coherent pluggable optics using digital subcarrier multiplexing in metro aggregation networks

J Bäck, P Wright, J Ambrose, A Chase… - 2020 European …, 2020‏ - ieeexplore.ieee.org
Acknowledging the predominantly hubbed traffic profile in the metro, we apply digital
subcarrier multiplexing techniques to 400Gb/s coherent pluggable optics, enabling a point …

QoT-aware tree selection, routing, modulation, and spectrum assignment for filterless EONs<? TeX\break?> over the C+ L-band

MS Ghasrizadeh, F Arpanaei… - Journal of Optical …, 2024‏ - opg.optica.org
Filterless optical networks (FONs) as an economical solution use passive couplers/splitters
rather than expensive active filter devices. In this way, after intermediate and destination …

Optimized design of filterless horseshoe networks exploiting point-to-multipoint coherent transceivers

MM Hosseini, J Pedro, A Napoli, N Costa… - Journal of Optical …, 2023‏ - opg.optica.org
The horseshoe<? TeX 2pc 0pt?> topology is widely used to realize metro-aggregation
networks, since it provides a natural fit to the hub-and-spoke traffic pattern present in the …

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 …

Tutorial on filterless optical networks

O Ayoub, O Karandin, M Ibrahimi, A Castoldi… - Journal of Optical …, 2021‏ - opg.optica.org
The recent acceleration in fiber-to-the-home deployment worldwide along with the emerging
5G communications are pressuring network operators to enhance their networks to serve …

Quality of transmission estimation for planning of disaggregated optical networks

A D'Amico, E London, E Virgillito… - … on Optical Network …, 2020‏ - ieeexplore.ieee.org
Modern optical networks depend upon advanced software-defined networking (SDN)
technologies, which in turn rely on a network abstraction to infer the quality of transmission …

QoT-aware optical amplifier placement in filterless metro networks

M Ibrahimi, O Ayoub, O Karandin… - IEEE …, 2020‏ - ieeexplore.ieee.org
Filterless Optical Networks (FONs) represent a novel cost-effective solution for metro optical
networks, that allows to achieve equipment-cost savings by removing expensive optical …

Programmable filterless optical networks: architecture, design, and resource allocation

E Etezadi, C Natalino, C Tremblay… - IEEE/ACM …, 2024‏ - ieeexplore.ieee.org
Filterless optical networks (FONs) are a cost-effective optical networking technology that
replaces reconfigurable optical add-drop multiplexers, used in conventional, wavelength …

Ultra-wideband WDM optical network optimization

S Kozdrowski, M Żotkiewicz, S Sujecki - Photonics, 2020‏ - mdpi.com
Ultra-wideband wavelength division multiplexed networks enable operators to use more
effectively the bandwidth offered by a single fiber pair and thus make significant savings …