DCM

C-LIGHT Dispersion Compensation Modules (DCMs) are integrated optical devices designed to correct signal distortion caused by chromatic dispersion in fiber-optic communication systems. Typically employing dispersion-compensating fiber (DCF), fiber Bragg gratings (FBGs), or electronic compensation techniques, DCMs counteract accumulated pulse broadening in long-haul transmission by introducing an opposite dispersion profile (e.g., negative dispersion). With compact designs, low insertion loss, and high compensation efficiency, DCMs support static or dynamic dispersion tuning and are widely used in high-speed networks (e.g., 100G/400G systems), wavelength-division multiplexing (WDM), and coherent communication systems. They enable flexible adaptation to varying transmission distances and channel conditions, serving as critical components for optimizing optical link performance and enhancing bandwidth capacity.