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Showing 2003Show all
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cond-mat.stat-mech2003★ 8 cited
Signal estimation and threshold optimization using an array of bithreshold elements
Aki-Hiro Sato, Michihito Ueda, Toyonori Munakata
We consider the problem of optimizing signal transmission through multi-channel noisy devices. We investigate an array of bithreshold noisy devices which are connected in parallel…
quant-ph2003★ 13 cited
Quantum key distribution with unconditional security for all optical fiber network
Osamu Hirota, Kentaro Kato, Masaki Shoma +1
In this paper, 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 e…