High Speed TWDM PON - A Review

Abstract

The invention of Internet and its growth has provided a well-defined means of development of society. It has aided the people with a lot of convenience and entertainment. With the advancements in the new application, such as online audio, video conferencing, HD tv, online games etc. the bandwidth requirement of each user is rising exponentially over the years. The optical communications industry is developing rapidly to meet the increasing demand of bandwidth. Optical access network (OAN) is able to provide high bandwidth at a lower cost, following the replacement of the copper access.It has now become the primary access method. In this paper the comparative study of legacy PON is presented and the further development of NG-PON2 is analysed.