Wavelength Division Multiplexing (WDM) is a technology used in optical networks to increase the capacity of a single fiber by combining multiple optical signals at different wavelengths. It is a cost-effective solution for increasing the capacity of existing fiber networks, as it allows multiple signals to be transmitted over the same fiber. WDM also enables the transmission of different types of data, such as voice, video, and data, over the same fiber. WDM is used in a variety of applications, including long-distance telecommunications, data centers, and metropolitan area networks. It is also used in the deployment of 5G networks, as it allows for the transmission of large amounts of data over long distances. Companies in the WDM market include Ciena, Infinera, Huawei, Nokia, and ZTE. Show Less Read more
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