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Cognitive Optical Networks

Digital coherent transceivers have emerged as a promising solution for next generation optical networks. This research area in Cognitive Optical Nonlinear Networks Enabled by Coherent Transceivers investigates both fundamental aspects of the design of such transceivers to their application in the network.

Ultimately the research aims to realise cognitive optical networking in the broadest sense, whereby software defined digital coherent transceivers enable both improved performance and new paradigms in optical networks to be realised. This will range from digital coherent access networks which allow 10Gbit/s to the home, to cognitive core networks.

Current research activities include algorithms for digital coherent receivers, advanced modulation formats and their performance, digital coherent access networks, forward error correction and statistical signal processing for optical transmission systems.