Optical compensation function with slope dispersion compensation for standard single-mode fiber can DCM (G.652) were dispersion and dispersion slope compensation broad band in the C-band, allowing the system to optimize residual dispersion. In the dispersion compensation value of 1545nm wavelength dispersion can reach -2070ps / nm.
The DCM offer a high dispersion compensation level and a very low insertion loss penalty. They provide negative dispersion compensation over the full C-Band with possible distance extensions of up to 120 kilometers.
DWDM system dispersion compensation and broadband low residual dispersion
G.652 fiber C-band 100% slope compensation (standard value)
Low insertion loss
Low polarization mode dispersion
Performance indicators by Telcordia GR-2854-CORE standard certification
Reliability by Telcordia GR-1221-CORE standard certification
DCM dispersion compensation module 120km
|
Parameter |
DCM-20 |
DCM-40 |
DCM-60 |
DCM-80 |
DCM-100 |
DCM-120 |
|
Compensated Distance (km) |
20 |
40 |
60 |
80 |
100 |
120 |
|
1545nm Dispersion (ps/nm) |
-340+/-10 |
-670+/-20 |
-1000+/-30 |
-1340+/-40 |
-1680+/-50 |
-2010+/-60 |
|
1545nm Relative Dispersion Slope (nm-1) |
0.0036 +/- 10% |
|||||
|
Insertion Loss (dB) |
≤3.3 |
≤4.7 |
≤6.4 |
≤8.0 |
≤9.5 |
≤11.0 |
|
Insertion Loss (typ) (dB) |
2.7 |
4.0 |
5.4 |
6.7 |
8.0 |
9.3 |
|
Polarization Mode Dispersion (ps) |
≤0.6 |
≤0.7 |
≤0.8 |
≤0.9 |
≤1.0 |
≤1.1 |
|
Polarization Mode Dispersion (typ) (ps) |
0.2 |
0.3 |
0.4 |
0.5 |
0.6 |
0.7 |
|
Polarization Dependent Loss (dB) |
≤0.1 |
≤0.1 |
≤0.1 |
≤0.1 |
≤0.1 |
≤0.1 |
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