Capacity scaling in metro-regional aggregation networks: the multiband S-BVT

L Nadal, R Casellas, JM Fàbrega… - Journal of Optical …, 2023 - opg.optica.org
New technological advancements and solutions should be investigated to overcome the
stringent performance and societal requirements that 6G networks will pose in terms of …

The multiband over spatial division multiplexing sliceable transceiver for future optical networks

L Nadal, M Ali, FJ Vílchez, JM Fàbrega… - Future Internet, 2023 - mdpi.com
In the last 15 years, global data traffic has been doubling approximately every 2–3 years,
and there is a strong indication that this pattern will persist. Hence, also driven by the …

Photonic device programmability in support of autonomous optical networks

R Casellas, L Nadal, R Martinez, R Vilalta… - Journal of Optical …, 2024 - opg.optica.org
The emergence and consolidation of increasingly programmable optical devices such as
transceivers, amplifiers, multiplexers, or ROADMs—which allow their remote configuration …

Experimental demonstration of a metro area network with terabit-capable sliceable bit-rate-variable transceivers using directly modulated VCSELs and coherent …

JM Fabrega, FJ Vilchez, MS Moreolo… - Journal of Optical …, 2023 - opg.optica.org
Disaggregation in optical networks is particularly relevant to be considered for the
deployment of 5G services and towards the support of 6G. Particularly in the metro area …

All-optical aggregation and distribution of traffic in large metropolitan area networks using multi-Tb/s S-BVTs

M Rapisarda, JA Hernández, A Gatto… - Journal of Optical …, 2022 - opg.optica.org
Current metropolitan area network architectures are based on a number of hierarchical
levels that aggregate traffic toward the core at the IP layer. In this setting, routers are …

Continuous-Variable Quantum Key Distribution for Enabling Sustainable Secure 6G Networks

MS Moreolo, M Iqbal, A Villegas… - … on Optical Network …, 2024 - ieeexplore.ieee.org
Several technological challenges are currently posed by future 6G networks to support ultra-
high capacity and dynamic connectivity, while ensuring environmental and societal …

Enabling seamless migration of optical metro-urban networks to the multi-band: unveiling a cutting-edge 6D planning tool for the 6G era

F Arpanaei, JM Rivas-Moscoso… - Journal of Optical …, 2024 - opg.optica.org
The relentless demand for high-bandwidth services and applications in the beyond-5G/6G
era necessitates optical networks to provide ample spectral resources to accommodate the …

Multi-Tb/s Transmission Based on DMT-Modulated VCSELs in Metro Networks Assisted by Volterra Equalization

A Gatto, A Favano, P Parolari, C Neumeyr… - IEEE …, 2024 - ieeexplore.ieee.org
The effectiveness of Volterra equalization (VE) is analyzed to improve the performance of a
metropolitan area network (MAN), characterized by directly-modulated (DM) vertical-cavity …

Medium-reach six-mode multiplexed transmission with Kramers–Kronig receiver enabled by mode permutation technique

J Yang, Y Liu, J Zhao, Y Wang, X Liu, T Gao… - Optical Fiber …, 2024 - Elsevier
We investigate the transmission distance of a 20-Gbaud 6-mode dual-polarization QPSK
transmission system using the Kramers–Kronig (KK) receiver based on the mode …

Efficient Solutions for Quantum Secure Communications in Future Optical Networks

MS Moreolo, M Iqbal, L Nadal… - 2023 23rd International …, 2023 - ieeexplore.ieee.org
To face the quantum era and the prospect or threat of quantum computing, especially in a
disaggregated network environment, the design and implementation of efficient quantum …