DWDM basics


DWDM is an optical multiplex technique. It combines multiple discrete transport channels of different wavelengths and transmit them on a single optic fiber. For example, if we multiplex 32 signals of STM-1 level, then optic fiber capacity will be increased from 2.5Gbps to 80 Gbps.This DWDM tutorial covers basics including DWDM transmitters and receivers and describes optical fiber basics, optical amplifier and other system components.

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