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 …

We investigate quality of transmission (QoT) estimation in a multi-band transmission
scenario, including a wideband description of the frequency-dependent physical layer …

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 …

The adoption of open optical networks (OONs) requires the development of open and
effective network planning tools, enabling the use of multi-vendor or white-box transport …

By assuming the nonlinear noise as a signal-independent circular Gaussian noise, a typical
case in non-dispersion managed links with coherent multilevel modulation formats, we …

An accurate, closed-form expression evaluating the nonlinear interference (NLI) power in
coherent optical transmission systems in the presence of inter-channel stimulated Raman …

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 …

A Gaussian noise (GN) model, precisely accounting for an arbitrary frequency dependent
signal power profile along the link, is presented. This allows accurate evaluation of the …

We consider the transmission of Nyquist-wavelength-division-multiplexed channels based
on polarization-multiplexed m-ary QAM multilevel modulation formats with DSP-based …

A closed-form formula is derived, which corrects for the modulation format dependence of
the Gaussian noise (GN) model in the presence of inter-channel stimulated Raman …