The low noise, low bit error rate, and high bandwidth utilisation of the network have all contributed to the optical network's explosive growth during the last ten years. This work investigated the use of bandwidth with enhanced gain, reduced noise, and low bit error rate. Up to the second stage of the optical networks, this area had been the subject of prior research. Prior studies investigate the distribution of bandwidth between the two networks and explain how it is used. Also, they use several techniques to determine the many optimum characteristics