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 …

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

In this paper, we discuss building blocks that enable the exploitation of optical capacities
beyond 100 Gb/s. Optical networks will benefit from more flexibility and agility in their …

This paper studies the routing, modulation format, and spectrum allocation problem in elastic
fiber-optical networks for static traffic. Elastic networks, based on Nyquist wavelength …

High throughput coherent optical transmitters are key components in future optical
communication infrastructure. However, these transmitters are often distorted with the …

Optimization of channel powers to maximize minimum margin or total capacity in WDM
systems is studied. Using a Gaussian noise nonlinearity model, the signal-to-noise ratio …

We investigate the optimization of routing, modulation format adaptation, spectral and
launch power assignment as a means of improving the utilization of limited network …

To ensure uninterrupted communication in optical transport networks, the common practice
is to overprovision lightpaths in terms of capacity and physical layer performance. Over …

In this letter, we analyze the benefit of digital compensation of fiber nonlinearity, where the
digital signal processing is divided between the transmitter and the receiver. The application …

We have proposed a dynamically configurable and fast optical impairment model for the
abstraction of the optical physical layer, enabling new capabilities such as indirect …