You have full access to this article via your institution. Figure 1: Secret key rate of DV MDI QKD versus CV MDI QKD. In a general network, it is quite probable that a relay is far away from both ...

We talk a lot about quantum computation and quantum key distribution here at Ars, but when we do this, we're usually talking about a discrete logic system. That is, the quantum system uses a set of ...

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Sigma-delta converters are in wide use among applications that demand high precision and accuracy. A variant of the sigma-delta architecture, called the continuous-time sigma delta (CT-S?), has found ...