... IJSET@2013 Page 745 Analysis of Four-Wave-Mixing Effects in Up Stream Transmission Using SOA as Transmitter Vikram Singh Yadav, Praveen Kumar Vatsal, Ritesh Kumar Department of Electronics and ... density of the signal As a result of this, a variety of nonlinear phenomena occur in the optical fiber, including SPM, XPM, FWM,Brillouin International Journal of Scientific Engineering and ... opportunities in Information Technology at RIMT institute of Engineering and Technology, Punjab, pp. 1-6, Mar.2008. vi. S. P. Singh, and N. Singh, “Nonlinear Effects in Optical Fibers: Origins, Management...