doi: 10.1103/PhysRevLett.93.170504.
Epub 2004 Oct 22.
Quantum cryptography without switching
Affiliations
- PMID: 15525058
- DOI: 10.1103/PhysRevLett.93.170504
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Quantum cryptography without switching
Phys Rev Lett.
.
Abstract
We propose a new coherent state quantum key distribution protocol that eliminates the need to randomly switch between measurement bases. This protocol provides significantly higher secret key rates with increased bandwidths than previous schemes that only make single quadrature measurements. It also offers the further advantage of simplicity compared to all previous protocols which, to date, have relied on switching.
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