© Robert Ciesla 2020
R. CieslaEncryption for Organizations and Individualshttps://doi.org/10.1007/978-1-4842-6056-2_13

13. Implementations of QKD

Robert Ciesla1 

Chapter 12 provided a basic overview of the hardware components in a quantum key distribution (QKD) system. We also explored the Tokyo QKD Network built to test the threat resilience of QKD. In this chapter we’ll delve into larger implementations of this technology, exploring the basics of a total of five major QKD networks.

The DARPA Quantum Network

The honor of being the world’s first quantum network belongs to The DARPA Quantum Network. Funded by the Defense Advanced Research Projects Agency of the US Department of Defense, this QKD system was operational between 2002 ...

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