Quantum key distribution network
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Quantum Key Distribution Networks are future networks that are capable to provide QKD in passive optical networks. These networks will be integrated within the nowadays classical networks with the minor impact in the optical infrastructures. The target is to combine classical channels with quantum channels in order to use the quantum channels to deliver cryptographic keys and use them to encrypt data payload inside IPsec or in any other stack protocol. Nowadays there are projects to start deploying these quantum networks in GPON by research enterprises like Telefonica I+D and some others companies.
