Авторы

  • Гульнора Миразимова
    Tashkent University of information technologies named after Muhammad Al-Khwarizmi,

DOI:

https://doi.org/10.71337/inlibrary.uz.imjrd.102191

Аннотация

Research and the analysis of factors of the systems influencing quality with division according to wavelength and a choice of a method of an assessment of quality of optical channels are given in article.

In WDM systems, high-power group signals cause nonlinear effects in optical fibers. Nonlinearities create parasitic combination harmonics that cause interchannel interaction. This leads to deviations in system characteristics from the norm and a decrease in the quality of optical channels. Therefore, the power of the transmitted group signal should not exceed the required level. In spectral multiplexing systems, choosing an effective power level of the group signal reduces the impact of harmful FWM interference on transmission quality and ensures high-quality communication.

Библиографические ссылки

ITU-T G.821 Error performance of an international digital connection operating at a bit rate below the primary rate and forming part of an Integrated Services Digital Network

ITU-T G.826 End-to-end error performance parameters and objectives for international, constant bit-rate digital paths and connections

C.H. sand, A.I. Barg, I.A Caps. Nonlinear distortions in fiber-optical cables. Part 2. The magazine the Body – the Satellite 11 (121) November, 2005.

Recommendations of ITU-T G.662 (1994) Main characteristics of optical amplifier equipment and sub-systems.

Mirazimova G.Х. About Quality of Optical Channels in Wavelength Division Multiplexing Systems of Optic Fibers. TELKOMNIKA, Vol.16, No.5, October 2018, pp.2005~2013

Isaev R. I., Mirazimova G. H. Nonlinear hindrances in optical systems of information transfer with dense wave consolidation of optical fiber. Information communications : networks·technology·decisions . No. 4 (28) 2013.

Mirazimova G.Х., Kadirova L.I. Assessment of the quality of the signal transmission process in FOCS with DWDM. In collaboration with partners holds international scientific conference: «2nd International Scientific Conference "Modern Materials Science: Topical Issues, Achievements and Innovations" (ISCMMSTIAI-2023)». Uzbekistan, Tashkent 2023. - 9 p.