DEVICE FOR BINARY DATA TRANSMITTING AND RECEIVING OVER A FIBEROPTIC COMMUNICATION CHANNEL
https://doi.org/10.21122/2220-9506-2018-9-1-17-27
Abstract
When transferring data over optical fiber communication channels, it is required to provide data security and the authenticity of their source. To limit the access to the data for a third party, there can be applied quantum-cryptographical systems which are supposed to transfer every data bit by means of low power optical signals containing radiation photons the number of which could be in the range from 10 to 1, however, are far from being perfect and suffer from shortcomings, the main of which being a large number of errors due to the depolarization effect of optical radiation. The aim of this work was, therefore, to create device for sending and receiving confidential data which could provide complete security of transferred data, inherent to quantum-cryptographical communication systems at the same time could have a low number of such errors.
A device for quantum-cryptographic communication system with a photon counter applied as a receiving module has been proposed. The possibility to use silicon avalanche photodetectors operating in the photon counting mode for confidential information transmission systems and defining authenticity of the source of transmitted information has been shown.
I develop modern optical fiber communication system incorporating avalanche photodetector photon counter as a receiving module, that allow to detect unauthorized access to information and violation of its integrity and speed up the exchange of information in comparison with well-known quantum-cryptographical communication systems.
About the Author
A. M. Timofeev
Belarusian State University of Informatics and Radioelectronics
Belarus
Belarus
Address for correspondence: Timofeev A.M. – Belarusian State University of Informatics and Radioelectronics, P. Brovka str., 6, Minsk 220013, Belarus. e-mail: tamvks@mail.ru
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Review
For citations:
Timofeev A.M. DEVICE FOR BINARY DATA TRANSMITTING AND RECEIVING OVER A FIBEROPTIC COMMUNICATION CHANNEL. Devices and Methods of Measurements. 2018;9(1):17-27. (In Russ.) https://doi.org/10.21122/2220-9506-2018-9-1-17-27
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