C+ L open line systems represent a cost-effective way to scale backbone network capacity.
In this article, we review challenges and opportunities for C+ L line systems stemming from …

To support the development of intelligent optical networks, accurate modeling of the physical
layer is crucial. Digital twin (DT) modeling, which relies on continuous learning with real-time …

This paper presents design methods for highly efficient optimisation of geometrically shaped
constellations to maximise data throughput in optical communications. It describes methods …

In the optical communication, ultra-wide band (UWB) wavelength division multiplexing
(WDM) transmission systems have been gathering considerable attention because it is …

In this work, a new data-driven fiber channel modeling method, generative adversarial
network (GAN) is investigated to learn the distribution of fiber channel transfer function. Our …

A closed-form formula for the nonlinear interference (NLI) estimation using the Gaussian
noise (GN) model in the presence of inter-channel stimulated Raman scattering (ISRS) is …

Telecommunication networks are becoming the central linking institution of the Fourth
Industrial Revolution. To cope with the associated capacity and connectivity challenges …

Accurate quality of transmission (QoT) estimations are essential enablers for future low-
margin dynamic optical network operations. However, physical parameter measurement …

We report for the first time an ultra-wideband coherent (UWB) WDM transmission over a 70
km standard single mode fibre (SSMF) solely using a multistage discrete Raman amplifier …