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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Quantum Cryptography And Laser Data Transfers
 Litwora, Martin ; Maršík, Lukáš (referee) ; Zemčík, Pavel (advisor)
The purpose of this work was to explore and describe the possibilities of quantum key distribution. Describe individual protocols based on quantum mechanics, and different variants of quantum channels of wireless laser connections. At the same time, analyze individual encryption algorithms from the point of view of their security, energy consumption and encryption speed. Furthermore, part of the work included measuring the transfer properties of a real system for the quantum key distribution, including measuring the attenuation of a given connection using an attenuation cell. The goal then was to apply the measurement results to laser data transfers. Laser connections are affected by atmospheric conditions, especially cloud cover. For these purposes, a simulation tool was created that serves to simulate laser quantum channels in the atmosphere.
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