Date Added: Dec 2011
The increase on the demand of these services, related to the deregulation processes in USA and Europe in the telecommunications sector, has motivated the need of telecommunication transport networks with higher capacity and flexibility. Hence, the general trend in the all the disciplines of telecommunications in the last decade, has been the increase of the capacity and flexibility of existing networks, and the deployment of new networks to cope with the mentioned demand. Therefore, new technologies have appeared and been developed in this period. The discipline of photonics and fiber optic communications has attracted a lot of interest, and has been one of the fields with major increase during this period.