Coexistence of 11.2Tb/s Carrier-Grade Classical Channels and a DV-QKD Channel over a 7-Core Multicore Fibre

Emilio Hugues-Salas , Qibing Wang , Rui Wang , Kalyani Rajkumar , George T. Kanellos , Reza Nejabati , Dimitra Simeonidou

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classification 📡 eess.SP cs.CR

keywords channelclassicalchannelscoexistencefibremulticorebelowc-band

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We successfully demonstrate coexistence of record-high 11.2 Tb/s (56x200Gb/s) classical channels with a discrete-variable-QKD channel over a multicore fibre. Continuous secret key generation is confirmed together with classical channel performance below the SDFEC limit and a minimum quantum channel spacing of 17nm in the C-band.

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Coexistence of 11.2Tb/s Carrier-Grade Classical Channels and a DV-QKD Channel over a 7-Core Multicore Fibre

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