[Whitepaper Download] By Ciena: Side-Stepping the Shannon Limit

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Published by Ciena. Summary For a decade now, the submarine network industry has benefitted from the arrival of coherent-based modems allowing cable operators to upgrade their submerged assets to previously unthinkable total information-carrying capacities. Channel speeds initially increased from traditional 10Gb/s On-Off Keying (OOK), where laser light was shuttered on and off to represent digital ones and zeros, to 40Gb/s …