Dispersion effect on Single mode Optical fibre transmission link

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2019 by IJETT Journal
Volume-67 Issue-11
Year of Publication : 2019
Authors : Okeke R.O, Idigo V.E
DOI :  10.14445/22315381/IJETT-V67I11P229


MLA Style: Okeke R.O, Idigo V.E  "Dispersion effect on Single mode Optical fibre transmission link" International Journal of Engineering Trends and Technology 67.11 (2019):184-193.

APA Style:Okeke R.O, Idigo V.E. Dispersion effect on Single mode Optical fibre transmission link  International Journal of Engineering Trends and Technology, 67(11),184-193.

Fibre Optics is one of the best transmission technologies in the recent years; however, dispersion limits its transmission distances. This paper presents effects of dispersion in optical links and demonstrates how dispersion compensation fibre (DCF) is used to compensate for the effect of dispersion in a single mode fibre transmission link. Two scenarios were demonstrated using Optisystem simulation tool; a transmission network without a DCF and another with DCF. Results showed that network without DCF was greatly affected by dispersion. The bit error ratio (BER) analysers showed high bit error ratio and very low quality factor (Q factor). This depicts that the pulses were spreading out in time as it propagates down the fibre due to dispersion. In the second scenario, DCFs were introduced in the network based on designed specifications and results showed that BER at each receiver was very low and some to the tone of e-25. Q factor obtained was high enough. The results reveal that with DCF, the effect of dispersion in single mode fibre is compensated for.


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Dispersion, DCF, SMF,Q-Factor, BER, Fibre Optics.