The study starts with a single user and extends to the implanting of the WDM system. ![]() This research focuses on the implementation and performance analysis of high data rate coherent optical OFDM for long-haul transmission. ![]() WDM systems help to enhance the capacity and the data rate of the system by sending multiple wavelengths over a single fiber. Moreover, Integrating the Coherent Optical OFDM with Wavelength Division Multiplexing (WDM) systems will provide the transmission system with a high bandwidth, a significant data rates, and a high spectral efficiency without increasing the cost or the complexity of the system. It has the ability to overcome many optical fiber restrictions such as chromatic dispersion (CD) and polarization mode dispersion (PMD). However, Coherent Optical OFDM (CO-OFDM) is the next generation technology for the optical communications, since it integrates the advantages of both coherent systems and OFDM systems. Optical OFDM received a great attention after proposing it as a modulation technique for the long-haul transmission in both direct and coherent detection. Optical Orthogonal Frequency Division Multiplexing is considered as a promising technology to satisfy the increased demand for bandwidth in broadband services. ![]() ![]() The growth in internet traffic has driven the increase in demand for bandwidth and high data rates.
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