In this invited contribution, we discuss technology options for bandwidth-variable
transceivers which are key components for the realization of flexible software-defined optical …

A general theory of nonlinear interactions between signal and amplified spontaneous
emission noise in wavelength division multiplexed fiber-optic coherent transmission systems …

We designed and fabricated a low-crosstalk seven-core fiber with transmission losses of
0.17 dB/km or lower, effective areas larger than 120 μm^ 2, and a total mean crosstalk to the …

Rate-adaptive optical transceivers can play an important role in exploiting the available
resources in dynamic optical networks, in which different links yield different signal qualities …

Microresonator-based frequency combs are strong contenders as light sources for
wavelength-division multiplexing (WDM). Recent experiments have shown the potential of …

An effective machine learning algorithm, the support vector machine (SVM), is presented in
the context of a coherent optical transmission system. As a classifier, the SVM can create …

OSNR monitoring is indispensable for coherent systems to ensure robust, reliable network
operation and potentially enable impairment-aware routing for future dynamic optical …

Enabling Technologies for High Spectral-efficiency Coherent Optical Communication
Networks Presents the technological advancements that enable high spectral-efficiency and …

The few-mode fiber nonlinearity has been well modeled by an additive Gaussian Noise (GN)
source. The available GN models in Mode Division Multiplexing–Wavelength Division …

Link design for optical communication systems requires accurate modeling of nonlinear
propagation in fibers. This topic has been widely analyzed in last decades with partial …