In optical fiber communications, the dispersion Compensation module (DCM) (also known as the dispersion compensation unit (DCU)) can be used to compensate the large-span dispersion of the transmission fiber. It provides a certain amount of dispersion (fixed dispersion), in addition to the tunable dispersion module. #dispersioncompensationmodule #dcm #dcmoptical #dispersioncompensationfiber #fiberdispersioncompensationmodule #dcmfiberoptic #fiberdcm

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