Monomode optical fiber for optical fiber cable transmission networks with wavelength division multiplexing

A monomode optical fiber for an optical fiber cable transmission network with wavelength division multiplexing and a utilization range extending from 1300 nm to 1625 nm, having a zero dispersion wavelength less than or equal to 1370 nm, and presenting at a wavelength of 1550 nm:

• dispersion C lying in the range 5 ps/nm.km to 11 ps/nm.km;
• a ratio of dispersion to dispersion slope lying in the range 250 nm to 370 nm;
• an effective area of not less than 50 μm2;
• and
• a ratio of the square of the effective area over the chromatic dispersion slope greater than 80,000 μm4.nm2.km/ps.