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- Title
Structural optimization of optoelectronic components in millimeter-wave radio-transmitting modules.
- Authors
Kremenetskaya, Y. A.; Markov, S. E.; Melnyk, Yu. V.
- Abstract
The paper analyzes the effect of structure inherent to optoelectronic radiotransmitting modules of a phased array antenna (PAA) on the noise characteristics in the millimeter range (MMR) of waves. Considered are promising structures of MMR modules for generating radiation with a phased array for communication systems based on optoelectronic technologies. The promising types of photodiodes that are used to form MMR radio signals as well as the distance and physical limitations for photodetectors associated with a limited bandwidth and nonlinear response characteristics have been analyzed. Mathematical modeling of the oscillation of the output current after the optoelectronic conversion of the signal and noise characteristics of the radio-transmitting modules capable to form MMR radiation in PAA has been carried out. The analysis of the nonlinearity of the sensitivity of photodiodes in the high-frequency regions of formation of radio signals has been carried out. The necessity to structurally optimize optoelectronic components in the MMR transmission module has been shown depending on the noise characteristics of the output signal. It has been shown that fundamental studies of nonlinear characteristics and factors limiting the band of photodetectors are important tasks for further developing MMR telecommunications of the next generations.
- Subjects
STRUCTURAL optimization; PHASED array antennas; TELECOMMUNICATION systems; CURRENT fluctuations; TELECOMMUNICATION; OPTOELECTRONICS; ELECTRIC oscillators; 5G networks
- Publication
Semiconductor Physics, Quantum Electronics & Optoelectronics, 2020, Vol 23, Issue 4, p424
- ISSN
1560-8034
- Publication type
Article
- DOI
10.15407/spqeo23.04.424