wavelength-division multiplexing (WDM)


wavelength-division multiplexing (WDM): In optical fiber communications, any technique by which two or more optical signals having different wavelengths may be simultaneously transmitted in the same direction over one fiber, and then be separated by wavelength at the distant end.

Diagram for this definition called wdm_opc


This HTML version of Telecom Glossary 2K was last generated on Wed May 8 15:36:48 DT 2002.