Wavelength Division Multiplexing (WDM) is a technology that allows multiple optical signals to be transmitted simultaneously over a single optical fiber by using different wavelengths (or colors) of laser light. This technique increases the capacity of fiber optic networks by efficiently utilizing the available bandwidth and minimizing signal interference. WDM plays a critical role in enhancing optical interconnects in computing systems, as it enables high-speed data transmission while supporting a variety of applications like data centers and telecommunications. Additionally, WDM's reliance on optical sources like lasers and LEDs underlines its significance in modern optical communication systems.
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