GNPy: an open source application for physical layer aware open optical networks

A Ferrari, M Filer, K Balasubramanian, Y Yin… - Journal of Optical …, 2020 - opg.optica.org
In this paper, we describe the validation of GNPy. GNPy is an open source application that
approaches the optical layer according to a disaggregated paradigm, and its core engine is …

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) …

On the interplay of nonlinear interference generation with stimulated Raman scattering for QoT estimation

M Cantono, D Pilori, A Ferrari… - Journal of Lightwave …, 2018 - ieeexplore.ieee.org
To effectively operate multivendor disaggregated networks, the performance of the physical
layer needs to be assessed by a quality-of transmission estimator (QoT-E) delivering quick …

Provisioning in multi-band optical networks

N Sambo, A Ferrari, A Napoli, N Costa… - Journal of Lightwave …, 2020 - ieeexplore.ieee.org
Multi-band (MB) optical transmission promises to extend the lifetime of existing optical fibre
infrastructures, which usually transmit within the C-band only, with C+ L-band being also …

Multi-vendor experimental validation of an open source QoT estimator for optical networks

M Filer, M Cantono, A Ferrari… - Journal of Lightwave …, 2018 - ieeexplore.ieee.org
Dramatic increase in data traffic, future diffusion of bandwidth-hungry 5G connectivity and
evolving services like virtual reality and cloud will require the implementation of the open …

Software-defined WDM optical transport in disaggregated open optical networks

V Curri - 2020 22nd International Conference on Transparent …, 2020 - ieeexplore.ieee.org
Transparent optical networks operated by WDM coherent optical technologies for data
transport are moving-on towards the implementation of the openness paradigm. In such a …

Autonomous and energy efficient lightpath operation based on digital subcarrier multiplexing

L Velasco, S Barzegar, D Sequeira… - IEEE Journal on …, 2021 - ieeexplore.ieee.org
The massive deployment of 5G and beyond will require high capacity and low latency
connectivity services, so network operators will have either to overprovision capacity in their …

Band-division vs. space-division multiplexing: A network performance statistical assessment

A Ferrari, E Virgillito, V Curri - Journal of Lightwave Technology, 2020 - opg.optica.org
We compare the networking merit of two possible multiplexing techniques on top of
wavelength division multiplexing to enlarge transmission capacity: the band division …

Using machine learning in an open optical line system controller

A D'Amico, S Straullu, A Nespola, I Khan… - Journal of Optical …, 2020 - opg.optica.org
The reduction of system margin in open optical line systems (OLSs) requires the capability to
predict the quality of transmission (QoT) within them. This quantity is given by the …

Comparison of probabilistically shaped 64QAM with lower cardinality uniform constellations in long-haul optical systems

D Pilori, L Bertignono, A Nespola… - Journal of Lightwave …, 2017 - ieeexplore.ieee.org
In this paper, we compare the performance of probabilistically shaped 64QAM with uniform
16QAM and 32QAM modulation formats at the same net data rate in long-haul coherent …