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

This paper investigates the physical layer optimization as a means of improving the
utilization of limited network resources. A transparent optical network operating in the …

This paper serves to highlight the gains in SNR margin and/or data capacity that can be
achieved through a proper optimization of the transceiver parameters, for example, launch …

Resource allocation with quality of service constraints is one of the most challenging
problems in elastic optical networks that is normally formulated as a mixed-integer nonlinear …

Resource allocation for transport optical networks has traditionally used a transmission
reach constraint to estimate physical impairments. For flexible-grid networks, nonlinear …

High energy efficiency is expected to become a mandatory design criterion in optical
networks of the future. This paper investigates schemes for enhancing the energy efficiency …

We propose a model that considers several physical impairments in all-optical networks
based on optical signal-to-noise degradation. Our model considers the gain saturation effect …

The potential of optimum selection of modulation and forward error correction (FEC)
overhead (OH) in future wavelength-routed nonlinear optical mesh networks is studied from …

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 …

Constellation shaping is a practical and effective technique to improve the performance and
the rate adaptivity of optical communication systems. In principle, it could also be used to …