Reduction of Dispersion in Optical Fiber Communication by Fiber Bragg Grating and Optical Phase Conjugation Techniques

Bhowmik, Kishore; Ahamed, Md. Maruf; Momin, Md. Abdul
June 2012
International Journal of Mobile Network Communications & Telemat;Jun2012, Vol. 2 Issue 3, p49
Academic Journal
In the modern day industries, Fiber optic transmission and communication are technologies that are constantly growing and support more challenges. Three properties of optical fibers are dispersion, absorption and scattering which cause attenuation and also decreased in transmitted power. To combat these losses and improve the reliability of fibers introduced many advanced technologies. Here two compensation techniques such as Fiber Bragg Grating and Optical Phase Conjugation are discussed with the help of simulation software "OPTSIM" to compensate dispersion. We have also analyzed the time delay of the received signal with variation of frequency by using B4530 trainer in the "Telecommunication Lab, Rajshahi University of Engineering & Technology, Bangladesh" and proved that when frequency of the transmitted signal increases then time delay i.e. dispersion of the received signal decreases.


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