The most important requirements in optical networks have been high speed, large bandwidth, long transmission distance, and reliability of optical fiber communications.In recent years, however, simplicity, flexibility, and efficiency of network operation have been rapidly becoming more important as a wide range of applications are offered by emerging providers of content and other services.In order to respond to changing demand, Fujitsu is developing a conscious optical network that monitors optical fiber communications at an unprecedented level of precision and optimizes the network operation accordingly.It aims to facilitate and speed up service provisioning, optimization of power and signal quality, and early failure detection and preventive maintenance, thus relieving the optical network of complicated operations and making it environmentally more efficient.This paper introduces Fujitsu's unique light probe technology in the field of optical digital signal processing, and describes its effectiveness for the realization of the conscious optical network.
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