Abstract
In this research, due to combined nonlinear interference due to SRS and XPM, the numerical analysis of radio over fiber system is carried out in the form of OSNR. Nonlinear crosstalk in radio over fiber systems is analytically evaluated using coupled equations at various wavelength channel spacing in the range from 0.2 to 0.8 nm for the frequency band (40–75 GHz) and (75–110 GHz). It is analyzed from the simulation results that the OSNR decreases with the input frequency and the length of the fiber increases. At 0.2 nm channel spacing, the OSNR in the V band varies from 9.5 to 0.5 dB, while in the W band, it varies from 0.5 to − 4 dB. It has been found that OSNR at wavelength spacing 0.8 nm varies from 16 to 10 dB in the V band and 10.5–7 dB in the W band of frequency. There is an improvement of 6.5 dB and 9.5 dB in OSNR in the V & W band, respectively. At a small-fiber length of 1 km, OSNR improved by 12 dB when it is observed at 50 GHz and 100 GHz frequencies. Results also show that the value of OSNR has very small variation at small-fiber lengths irrespective of channel separation.
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The authors confirm their contribution to the paper as follows: VJ has made a substantial contribution to the concept and design of the article and performed data collection. VJ and RB did an analysis and interpretation of the results. VJ wrote the main manuscript text. Both the authors reviewed the results and approved the final version of the manuscript.
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Jain, V., Bhatia, R. Performance analysis and simulation of radio over fiber network in the presence of nonlinear crosstalk. J Opt 52, 1795–1804 (2023). https://doi.org/10.1007/s12596-022-01069-7
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DOI: https://doi.org/10.1007/s12596-022-01069-7