3 February 2004 Quantum key disribution with unconditional security for all-optical fiber network
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Previously the present protocol was referred as Yuen-Kim second version in our papers. In this paper, it is called Yuen protocol (Y-00) and we present an efficient implementation method of physical layer of Y-00 which can support a secure communication and a quantum key distribution (more generally key expansion) by IMDD (intensity modulation/direct detection) or FSK (frequency shift keying) optical fiber communication network. Although the general proof of the security is not yet given, a brief sketch of security analysis is shown, which involve an entanglement attack.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Osamu Hirota, Osamu Hirota, Kentaro Kato, Kentaro Kato, Masaki Shoma, Masaki Shoma, Tsuyoshi Sasaki Usuda, Tsuyoshi Sasaki Usuda, } "Quantum key disribution with unconditional security for all-optical fiber network", Proc. SPIE 5161, Quantum Communications and Quantum Imaging, (3 February 2004); doi: 10.1117/12.504978; https://doi.org/10.1117/12.504978


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