1. Introduction To Dense Wave Division Multiplexing (DWDM)
... transmission paths. In addition, telecommunication networks were designed for the constant payload of 64 kbps voice channels where a single voice transmission required the entire channel. Many 64 kbps voice channels were combined within a fiber optic. As these signals were required to travel long distances, fiber optics were an ... is a multi-lane highway where each lane of the highway is a different optical wavelength. One lane of the highway would be like using the color blue as the carrier frequency. Another lane of the highway would be like using a different color, say red, as the ca...
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