Abstract
A novel optical node architecture based on all-optical traffic grooming
for flexible optical networks is proposed as a mean to utilize the optical
spectrum flexibly. In this work, we have overcome the key technical challenge
towards implementation of the node architecture by designing and experimentally
evaluating a fully flexible intelligent optical node. The proposed solution
has the potential to deal with simultaneous multi-functional degree of switching
such as format conversion, wavelength conversion, multicasting, spectrum defragmentation
and time-domain grooming capability in order to maintain efficient resource
utilization. The field experiment was also performed on original and converted
channels over a 110-km dark fiber link with the aim of proving the signal
robustness in a real network scenario. Finally, BER measurements experimentally
demonstrate efficient adaptive switching and processing of variable fragmented
traffic, leading to improved network scalability and efficiency.
© 2013 IEEE
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