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WDM

Wavelength-Division Multiplexing

Kategorie: Abkürzung

Wavelength-Division Multiplexing

In fiber-optic communications, wavelength-division multiplexing (WDM) is a technology which multiplexes a number of optical carrier signals onto a single optical fiber by using different wavelengths (colours) of laser light. This technique enables bidirectional communications over one strand of fiber, as well as multiplication of capacity.The term wavelength-division multiplexing is commonly applied to an optical carrier (which is typically described by its wavelength), whereas frequency-division multiplexing typically applies to a radio carrier (which is more often described by frequency). Since wavelength and frequency are tied together through a simple relationship, the two terms actually describe the same concept.

http://en.wikipedia.org/wiki/Wavelength-division_multiplexing
Kategorie: Abkürzung

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