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A novel optical superchannel protection scheme is proposed and successfully demonstrated over field fiber links for 400G capacity using main 400G DP-16QAM and protection 400G DP-QPSK superchannels together with in-service OTDR fault localization.
40/100/400 Gb/s mixed line rate transmission performance is investigated for different spectrum allocation schemes in flexgrid optical networks. The results show that grouped and ungrouped allocation schemes have similar transmission performance with balanced launch power.
We report the first successful coherent 100G IP over WDM alien wavelength field trial over WDM infrastructures spanning a total distance of 769 km, demonstrating the feasibility and robust performance of a simplified 100G IP over WDM core network architecture. Key performance aspects have been investigated including co-propagation of a 100G IP over WDM alien wavelength and native wavelengths generated...
We report the first gridless networking field trial with flexible spectrum switching nodes over 620 km field fibre links. Successful transport, spectrum switching and defragmentation achieved for mixed line signals including 555G and coherent 100G.
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