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25 July 2022 Development and research of the layout simulator of the heterodynous unit for conjugation of the fiber-optical tract and the radio channel
Vladimir A. Grachev, Sergey A. Kapustin, Marina S. Olkhova, Arseniy A. Timofeev, Dmitry M. Shustov, Vladimir V. Biryukov, Alexander A. Radionov, Andrey Yu. Sedakov, Alexander V. Kashin, Yuri G. Belov
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Proceedings Volume 12295, Optical Technologies for Telecommunications 2021; 1229505 (2022) https://doi.org/10.1117/12.2634050
Event: Nineteenth International Scientific and Technical Conference "Optical Technologies for Communications", 2021, Samara, Russian Federation
Abstract
At present, fiber-optic communication lines (FOCL) are widely used to transmit information [1]. On their basis, both long (trunk) lines and zonal, metropolitan, intra-object networks are built. Video surveillance, data collection and transmission with high speed require connection to a single (usually fiber-optic) network in a continuous data exchange mode to work in hard industrial production conditions, at oil facilities, to solve the tasks of the "smart city" system, as well as in numerous special applications. However, in many cases it turns out to be either impossible or economically unprofitable to create wired branches to large terminal consumers of information. Therefore, not all objects have the possibility of direct connection to fiber-optic communication lines. The solution to this problem consists in the development and use of methods for interfacing fiber-optic and wireless communication lines using microwave photonics technologies. In particular, it is possible to transfer the spectrum of the information signal to the carrier frequency in the microwave range using optical heterodyning methods. In this way, it is possible to convert modulated optical signals transmitted through optical fiber into modulated radio signals, bypassing the intermediate stages of demodulation and modulation. This leads to a simplification of the communication channel transmitter and a reduction in the distortion of transmitted information related to additional signal conversions.
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Vladimir A. Grachev, Sergey A. Kapustin, Marina S. Olkhova, Arseniy A. Timofeev, Dmitry M. Shustov, Vladimir V. Biryukov, Alexander A. Radionov, Andrey Yu. Sedakov, Alexander V. Kashin, and Yuri G. Belov "Development and research of the layout simulator of the heterodynous unit for conjugation of the fiber-optical tract and the radio channel", Proc. SPIE 12295, Optical Technologies for Telecommunications 2021, 1229505 (25 July 2022); https://doi.org/10.1117/12.2634050
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KEYWORDS
Heterodyning
Photodetectors
Radio optics
Microwave radiation
Modulation
Fiber optics
Signal detection
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