Abstract Space division multiplexing (SDM) is a promising optical network solution with the
scaling potential to overcome the possible capacity crunch problem in backbone networks …

In recent years, OFDM has been the focus of extensive research efforts in optical
transmission and networking, initially as a means to overcome physical impairments in …

With the growth of Internet users' traffic demands, the efficient and cost-effective usage of
bandwidth and spectrum in optical networks plays an important role in improving service …

Elastic flexgrid optical networks (FG-ON) are considered a very promising solution for next-
generation optical networks. In this article we focus on lightpath adaptation under variable …

Future flexible-grid elastic optical networks are very promising due to their higher spectrum
efficiency and flexibility comparing to the rigid spectrum grid optical networks realized with …

The massive deployment of 5G and beyond will require high capacity and low latency
connectivity services, so network operators will have either to overprovision capacity in their …

Recently, multi-band elastic optical networks (MB-EONs) have been introduced to increase
the transmission capacity of optical networks by expanding the transmission frequency …

Elastic optical network (EON) architectures have been recently proposed as a candidate
solution for provisioning of both huge bandwidth and flexible connections in next generation …

This paper considers the network protection technique of shared backup path protection
(SBPP) in comparison with 1+ 1 path protection for elastic optical networks. We develop …

We consider an elastic optical network and study the static routing and spectrum assignment
(RSA) problem aiming to minimize the maximum number of frequency slots required to …