Abstract

Long-haul optical fiber transmission systems (OFTS) are essential to cover the remote areas, but the long distance OFTS systems are mostly affected by attenuation and dispersion issues. In an optical transmission system, attenuation and dispersion are considered as a linear effect. Therefore, to avoid the attenuation happening, erbium-doped-fiber-amplifier (EDFA) is used and dispersion or pulse width broadening (PWB) effects can be reduced by dispersion compensation fiber (DCF) /chirped fiber Bragg grating (CFBG) techniques. In this work, different CFBG, DCF and joint DCF+FBG techniques are proposed to mitigate the effects of dispersion as PWB. These techniques are implemented for a OFTS that has 300km length of optical fiber and 10Gbps data rate on the Opti-System simulator. Performance of suggested model is evaluated and compared by pulse width reduction percentage (PWRP), quality-factor (Q-Factor), bit error rate (BER), pulse amplitude and eye-diagrams. It is observed from the results that the joint DCF+FBG techniques achieved an improved pulse shape with 95.74% PWRP, Q-factor ˃29, minimum BER and better eye-opening of received signal.

Keyword

Dispersion compensation fiber, Erbium-doped-fiber-amplifier, Fiber bragg grating, Pulse width reduction percentage, Quality-factor.

Cite this article

Gupta RK, Meena ML

Refference

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