JCS_V5_N2_A1 Prachi Agrawal Sharad Mohan Srivastava Journal on Communication Engineering and Systems 2277-5242 5 2 1 9 Wavelength Division Multiplexing (WDM), Self Phase Modulation (SPM), Cross Phase Modulation (XPM), Four Wave Mixing (FWM) In this work, the authors have reviewed the basic concepts of optical fiber network. They describe its key feature and its rapid advancement in the telecommunication industry. The advantages of optical fiber technology in comparison to the conventional data transmission systems and also the basic operating characteristics of fiber optic system is discussed. The work focus on describing the non-linear effects found in fiber communication network, which is the major limitation to the system performance. The objective of this paper is to make readers understand the key terms related to optical fiber technology, specifically different types of non-linearities found in optical fiber to help them carry out their future project works. February - April 2016 Copyright © 2016 i-manager publications. All rights reserved. i-manager Publications http://www.imanagerpublications.com/Article.aspx?ArticleId=5959