Fiber optic frameworks are essential media transmission framework for overall broadband systems. Wide data transfer capacity flag transmission with low postponement is a key necessity in exhibit day applications. Optical strands give gigantic and fantastic transmission data transfer capacity with insignificant dormancy, and are currently the transmission medium of decision for long separation and high information rate transmission in media transmission systems. This paper gives an outline of fiber optic correspondence frameworks including their key advances, and furthermore talks about their innovative pattern towards the people to come.