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Optical fiber suitable for high-speed large-scale wdm system, optical transmission line and optical transmission system using the same
Optical fiber suitable for high-speed large-scale wdm system, optical transmission line and optical transmission system using the same
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机译:适用于高速大规模wdm系统的光纤,光传输线和使用该光纤的光传输系统
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摘要
Disclosed is a single-mode optical fiber suitable for and optical transmission line used in WDM (Wavelength Division Multiplexing) system, which has low dispersion slope, sufficient dispersion value and large effective section area over S-, C- and L-band (1460˜1625 nm) to enable high-speed, large-capacity signal transmission. The optical fiber uses the wavelength region from 1460 to 1625 nm, and the optical fiber also has a dispersion value of 0.1˜3.0 ps/nm-km, more preferably 0.3˜2.4 ps/nm-km, at 1460 nm, a dispersion value of 3.0˜5.5 ps/nm-km, more preferably 3.2˜5.2 ps/nm-km, at 1550 nm, and a dispersion value of 4.5˜8.0 ps/nm-km, more preferably 4.8˜7.7 ps/nm-km, at 1625 nm. In addition, the optical fiber has a dispersion slope of 0.023˜0.05 ps/nm-km2 at 1550 nm, an effective sectional area of 35˜50 μm2 at 1550 nm, an effective section area of 35˜50 μm2 at 1460 nm. Thus, though the signal is transmitted through S-, C- and L-band, this optical fiber may suppress nonlinear phenomenon and signal distortion to the minimum.
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