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12 Wavelength Division Multiplexer Principle
Wavelength division multiplexing (WDM) is a technique of multiplexing multiple optical carrier signals through a single optical fiber channel by varying the wavelengths of laser lights. WDM allows communication in both the directions in the fiber cable. This guide delves into the principles, types, applications, and future trends of WDM. The basic principle of WDM is to modulate different data streams onto different.