Description: Abstract
Wavelength division multiplexing (WDM) is to two or more different wavelengths of light carrier signal (carry all kinds of information) in the sending end the multiplex (also called joint wave detector, Multiplexer) join together, and coupled to the optical line the same root of optical fiber transmission technology In the receiver, the solution multiplex (also called wave separator or say to multiplex, Demultiplexer) will all the wavelengths of light carrier separation, and the optical receiver for further treatment to restore the original signal. This in the same root fiber transmission at the same time two or many different wavelength light signal technology, called WDM.
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