Dispersion Compensation
Compensation of dispersion at a wavelength around 1550nm in a 1310nm optimized single-mode fiber can be achieved by specially designed fibers whose dispersion coefficient (D) is negative and large at 1550nm. These types of fibers are known as Dispersion Compensating Fibers (DCFfiber).
Types of Optical Dispersion Compensation
DCM
20km Dispersion Compensation Fiber
40km Dispersion Compensation Fiber
60km Dispersion Compensation Fiber
80km Dispersion Compensation Fiber
100km Dispersion Compensation Fiber
DCM
SINTAI provides different distances Optical Dispersion Compensation: 20km Dispersion Compensation Fiber, 40km Dispersion Compensation Fiber, 60km Dispersion Compensation Fiber, 80km Dispersion Compensation Fiber, 100km Dispersion Compensation Fiber.
TDCM
Tunable Dispersion Compensation Card
TDCM
DCM, based on Girls -Tournois etalon technology, is widely used in all types of 10Gbps or 40Gbps rate DWDMproductsUnification. It makes the optical path transmitted by optical signals different at different wavelengths, resulting in periodic dispersion effects, and at each of the wavelengths.
Advantages of Fiber Dispersion Compensation
Optical Dispersion Compensation Glossary
A
DCF
Conventional single-mode fibers are characterized by large (~ 5-6 μm) core radii and zero-dispersion occur around 1300 nm. Operation around λ0 at 1300 nm thus leads to very low pulse broadening, but the attenuation is higher than at 1550nm.
Thus, to exploit the low-loss window around 1550nm, new fiber designs were developed that had zero-dispersion around the 1550 nm wavelength region.
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