Which type of multiplexing is found exclusively in fiber-optic communications?
A) Phase division multiplexing
B) Frequency division multiplexing
C) Time division multiplexing
D) Wave division multiplexing

Question

Quizplus · Accepted Answer

Wave Division Multiplexing (WDM) is unique to fiber-optic communications, allowing multiple optical carrier signals to be multiplexed onto a single optical fiber by using different wavelengths (colors) of laser light. This technique enables the fiber to carry multiple signals simultaneously, significantly increasing its capacity.

Which Type of Multiplexing Is Found Exclusively in Fiber-Optic Communications