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Performance investigation of the OFDM over SMF

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Abstract

The radio over fiber technology is one of the swiftly growing sector since decades, as it takes benefit of the enormous bandwidth obtainable by optical communication systems as well as there is no requirement for digital to analog or analog to digital conversions. Thus, it is widely explored as the next generation optical communication technique. In this view, the article presents proposed novel optical orthogonal frequency division multiplexing (OOFDM) link, performance investigated with EDFA for numerous bit logical signals, data rates and optical modulators over single mode fiber. The results depict better transmission performance for the cyclic prefix 0.5, in lower dispersion range, for QPSK to 1024QAM, rise in number of subcarrier at numerous data rates over the transmission reach of 100 km. The chirp factor, extinction ratio significantly affects transmission performance, for optimum performance with LinEAM, LinAM, Sin2AM, the chirp factor \(\ge \)2, 8, 3 be selected respectively and the extinction ratio be more than 15 with Sin2AMOOFDM. Further, it depicted improved performance with \(\hbox {V}_\mathrm{pi}\) in the lower range for phase modulator, lower amplitude range and \(\hbox {V}_\mathrm{ON}\) (maximum transmissivity offset) in the range of 1 to 4 for Sin2AM, \(\hbox {V}_\mathrm{max}> 5\) and \(\hbox {V}_\mathrm{min}\) \(-3\) to \(-1\) with linear electro absorption modulator and higher data rates with higher number of logical levels (QAM_bit_number). Eventually, the phase modulated and linear amplitude modulated orthogonal frequency division multiplexing signal transmission over fiber has illustrated enhanced performance than with other optical modulators. The investigation inferred that presented work would be significant illustration towards development of more efficient next generation optical communication networks.

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Acknowledgments

Thanks to J.K. Institute of Applied Physics and Technology Allahabad (University of Allahabad-India) for providing the software OptSim(R-Soft) optical communication system.

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  1. Department of Electronics and Communication, J. K. Institute of Applied Physics and Technology, University of Allahabad, Allahabad, India

    Devendra Kr. Tripathi, Pallavi Singh, N. K. Shukla & H. K. Dixit

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  1. Devendra Kr. Tripathi
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  2. Pallavi Singh
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  3. N. K. Shukla
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  4. H. K. Dixit
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Correspondence to Devendra Kr. Tripathi.

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Tripathi, D.K., Singh, P., Shukla, N.K. et al. Performance investigation of the OFDM over SMF. Opt Quant Electron 47, 643–662 (2015). https://doi.org/10.1007/s11082-014-9941-z

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