31 October 2014 Special properties of single-photon optical fiber sensor for security needs
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Abstract
The rules of quantum physics are now fairly well understood and indisputable. On the basis of these principles are built safety systems to guarantee unconditional security of data transmission. This is possible due to the random behavior of the measured photon. Theorems of quantum mechanics are used currently in Quantum Key Distribution systems to determine the encryption key of cryptographic systems. Sending the single photons through the interferometer it is possible to determine the probability distribution of a photon detection at a given output depending on the interferometer imbalance. The use of single photon interference allows reduce the probability of detection of the transmission line protection. Additionally it provides high safety of transmitted information and minor disturbances. The quantum sensor can be a device which allows effectively protect transmission lines. In this paper we demonstrate measurement results of the using single-photon interferometers in security systems and potential capabilities use of such sensors.
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M. Zyczkowski, M. Szustakowski, M. Karol, Piotr Markowski, M. S. Napierala, "Special properties of single-photon optical fiber sensor for security needs", Proc. SPIE 9254, Emerging Technologies in Security and Defence II; and Quantum-Physics-based Information Security III, 92540N (31 October 2014); doi: 10.1117/12.2066839; https://doi.org/10.1117/12.2066839
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