Long distance decoy state quantum key distribution in optical fiber
arXiv:quant-ph/0607186 · doi:10.1103/PhysRevLett.98.010503
Abstract
The theoretical existence of photon-number-splitting attacks creates a security loophole for most quantum key distribution (QKD) demonstrations that use a highly attenuated laser source. Using ultra-low-noise, high-efficiency transition-edge sensor photodetectors, we have implemented the first version of a decoy-state protocol that incorporates finite statistics without the use of Gaussian approximations in a one-way QKD system, enabling the creation of secure keys immune to photon-number-splitting attacks and highly resistant to Trojan horse attacks over 107 km of optical fiber.
4 pages, 3 figures
References in corpus (3)
Cited by in corpus (36)
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