Why do I need DCM in DWDM link?
486 2022-12-02
Why do I need DCM in DWDM link?
Dispersion is a fiber based physical effect that spreads the optical pulse while it travels down the optical fiber. This effcet worsens the signal quality and thus limits the maximum distance you can achieve with your optical system. In order to counter this efef ct, DCM (Dispersion Compensation Modules) is typically used for compensating the chromatic dispersion of transmission fiber.
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