Digital subcarrier multiplexing: Enabling software-configurable optical networks

D Welch, A Napoli, J Bäck, S Buggaveeti… - Journal of Lightwave …, 2023 - opg.optica.org
The various topologies, traffic patterns and cost targets of optical networks have prevented
the deployment of end-to-end solutions across multi-domains, and the optimization of the …

Scalable filterless coherent point-to-multipoint metro network architecture

C Castro, A Napoli, M Porrega, J Bäck… - Journal of Optical …, 2023 - opg.optica.org
Metro aggregation is one of the fastest growing segments in telecommunications in terms of
data traffic. At the intersection of core and access, where coherent modules compete with …

Planning of survivable wavelength-switched optical networks based on p2mp transceivers

Y Zhang, Q Lv, R Li, X Tian… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Nowadays, the booming of emerging network services have shifted the major traffic pattern
in metro-aggregation networks from point-to-point (P2P) to hub-and-spoke (H&S). Hence, it …

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 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 majority of these …

On the Network Planning of Wavelength Switched Optical Networks With P2MP Transceivers

R Li, Q Lv, Z Zhu - Journal of Lightwave Technology, 2023 - ieeexplore.ieee.org
Recently, to cope with the ever-growing traffic volumes and network services in the Internet,
the coherent point-to-multipoint transceivers (P2MP-TRXs) enabled by digital subcarrier …

DSP Design for Coherent Optical Point-to-Multipoint Transmission

T Duthel, CRS Fludger, B Liu, S Ranzini… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
A real-time implementation of a coherent optical pluggable module using digital sub-carrier
(DSC) multiplexing has recently been demonstrated. Whilst these modules can support …

QoT-aware tree selection, routing, modulation, and spectrum assignment for filterless EONs 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 …

On the Survivable Multilayer Planning of Filterless Optical Networks With P2MP Transceivers

Q Lv, R Li, Z Zhu - Journal of Lightwave Technology, 2023 - ieeexplore.ieee.org
The rapid development of emerging network services are shifting the major communication
scheme in metro-aggregation networks from unicast to in-cast and multicast, which has …

Energy efficiency in next-generation optical networks

N Sambo, C Castro, N Costa… - 2023 23rd …, 2023 - ieeexplore.ieee.org
Energy Efficiency in Next-generation Optical Networks Page 1 Energy Efficiency in Next-generation
Optical Networks N. Sambo1, C. Castro2, N. Costa3, P. Castoldi1, A. Napoli2 1Scuola …

Exploring point-to-multipoint coherent capabilities across metro and core networks

A Gumaste, J Pedro, H Bock - European Conference and Exhibition …, 2022 - opg.optica.org
ECOC 2022 Paper Template Page 1 Exploring Point-to-Multipoint Coherent Capabilities Across
Metro and Core Networks Ashwin Gumaste (1), Joao Pedro (2), Harald Bock (3) (1) Infinera …