What is wavelength division multiplexing (WDM)? A way to efficiently transmit multiple optical signals in a single fiber by using different wavelengths (i.e., colors) of light.
Wavelength division multiplexing makes it possible to join several optical signals together to transmit them more efficiently by using different wavelengths, or colors of light. The multiplexer in the transmitter joins signals together on one side. Once the signal passes to the other side, the demultiplexer in the receiver splits them apart. Learn more at CW-WDM MSA.
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