Introduced to improve the spectral efficiency, time-frequency packing technique allows the
exploitation of different code rates, leading to different levels of spectral utilization and all …

The problem of minimizing the number of optical nodes with signal regeneration capability
can be constrained to guarantee a desired degree of end-to-end connectivity in the all …

The evolution of optical technologies has paved the way to the migration from opaque
optical networks (ie, networks in which the optical signal is electronically regenerated at …

Dual V t has been widely used to control leakage, while, at the same time, satisfying circuit
performance. However, current approaches target the combinational circuits even though …

Providing grooming capability to optical crossconnects (OXCs) in wavelength division
multiplexing (WDM) networks can allow an effective use of the network bandwidth, however …

This article presents an algorithm for dynamic-routing and wavelength assignment (D-RWA)
in an optical WDM network. The approach is based on a genetic algorithm (GA) and it …

With the increase of the transmission rates and of the spectral efficiency of the modulation
formats, optical signal regeneration is required in few intermediate nodes in Wavelength …

Optical network evolution is driven by network service providers' business constraints that
require networks to provide large capacity, high resiliency, flexibility, and scalable …

In WDM mesh networks, low-speed data streams from individual users are combined, using
the techniques of traffic grooming, for efficient utilization of the high bandwidth of a lightpath …