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An optical waveguide fiber having a zero-dispersion wavelength less than 1450 nm, a dispersion slope at a wavelength of 1550 of less than 0.06 ps/nm2/km nm, and attenuation at a wavelength of 1550 nm less than 0.190 dB/km. Optical fibers are disclosed that exhibit an effective area at a wavelength o

An optical waveguide fiber having a zero-dispersion wavelength less than 1450 nm, a dispersion slope at a wavelength of 1550 of less than 0.06 ps/nm2/km nm, and attenuation at a wavelength of 1550 nm less than 0.190 dB/km. Optical fibers are disclosed that exhibit an effective area at a wavelength of 1550 nm of greater than 50 μm2, and dispersion at a wavelength of 1550 nm between 5 and 15 ps/nm-km.

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What is claimed is: 1. An optical waveguide fiber comprising a central core region, a zero-dispersion wavelength less than 1450 nm, a dispersion slope at a wavelength of 1550 of less than 0.06 ps/nm2/km, and an attenuation at a wavelength of 1550 nm less than 0.190 dB/km, wherein the central core r

What is claimed is: 1. An optical waveguide fiber comprising a central core region, a zero-dispersion wavelength less than 1450 nm, a dispersion slope at a wavelength of 1550 of less than 0.06 ps/nm2/km, and an attenuation at a wavelength of 1550 nm less than 0.190 dB/km, wherein the central core region comprises a central portion and an outer portion surrounding and directly adjacent the central portion, and the central portion extends radially outwardly from the centerline to a central portion outer radius, R0, and has a relative refractive index percent, Δ0%(r) with a maximum relative refractive index percent, Δ0MAX; wherein the outer portion extends radially outwardly from the central region to a core radius, R1, the outer portion having a relative refractive index percent, Δ1%(r) with a maximum relative refractive index percent, Δ1MAX, wherein Δ1MAX is non-positive. 2. The optical waveguide fiber of claim 1 wherein the optical fiber has an effective area at a wavelength of 1550 nm of greater than 50 μm2. 3. The optical waveguide fiber of claim 1 wherein the optical fiber has a dispersion at a wavelength of 1550 nm between 5 and 15 ps/nm-km. 4. The optical waveguide fiber of claim 1 wherein the optical fiber has a dispersion at a wavelength of 1440 nm is greater than 1.0 ps/nm-km. 5. The optical waveguide fiber of claim 1 wherein the optical fiber has an absolute magnitude of a dispersion at a wavelength of 1400 nm less than 5.0 ps/nm-km. 6. The optical waveguide fiber of claim 1 wherein the optical fiber has an absolute magnitude of the dispersion at a wavelength of 1310 nm less than 8.0 ps/nm-km. 7. The optical waveguide fiber of claim 1 wherein the optical fiber has a mode field diameter at a wavelength of 1310 nm greater than 7.0 μm2. 8. A system comprising an optical source, a receiver, and the optical fiber of claim 1 optically connecting the optical source and the receiver, wherein the optical source is capable of generating optical signals in a wavelength range of 1530 to 1565 nm. 9. An optical waveguide fiber comprising a central core region, an annular region surrounding and directly adjacent the central core region, and an outer cladding surrounding and directly adjacent the annular region; wherein the central core region comprises a central portion and an outer portion surrounding and directly adjacent the central portion, and the central portion extends radially outwardly from the centerline to a central portion outer radius, R0, and has a relative refractive index percent, Δ0%(r) with a maximum relative refractive index percent, Δ0MAX; wherein the outer portion extends radially outwardly from the central region to a core radius, R1, the outer portion having a relative refractive index percent, Δ1%(r) with a maximum relative refractive index percent, Δ1MAX; wherein the annular region surrounds and is directly adjacent the outer portion of the central core region, and has a negative relative refractive index percent, Δ2%(r) with a maximum relative refractive index percent, Δ2MIN; and wherein the optical waveguide fiber comprises a zero-dispersion wavelength less than 1450 mm, a dispersion slope at a wavelength of 1550 of less than 0.06 ps/nm2/km, and an attenuation at a wavelength of 1550 nm less than 0.190 dB/km. 10. The optical waveguide fiber of claim 9 wherein Δ2MIN1MAX≦Δ0MAX . 11. The optical waveguide fiber of claim 9 wherein-0.1%≦Δ0MAX≦0.1%. 12. The optical waveguide fiber of claim 9 wherein the outer cladding has a relative refractive index percent, Δ3%(r) with a maximum relative refractive index percent, Δ3MAX, wherein |Δ2MIN-Δ3MAX|≦0.05%. 13. The optical waveguide fiber of claim 9 wherein-0.60%≦Δ2MIN≦-0.40%. 14. An optical waveguide fiber comprising a zero-dispersion wavelength less than 1450 nm, a dispersion slope at a wavelength of 1550 of less than 0.06 ps/nm2/km, and an attenuation at a wavelength of 1550 nm less than 0.190 dB/km, wherein the optical fiber has a dispersion at a wavelength of 1550 nm between 5 and 15 ps/nm-km. 15. The optical waveguide fiber of claim 14 wherein the optical fiber has an effective area at a wavelength of 1550 nm of greater than 50 μm2. 16. The optical waveguide fiber of claim 14 wherein the optical fiber has a dispersion at a wavelength of 1440 nm is greater than 1.0 ps/nm-km. 17. The optical waveguide fiber of claim 14 wherein the optical fiber has an absolute magnitude of a dispersion at a wavelength of 1400 nm less than 5.0 ps/nm-km. 18. The optical waveguide fiber of claim 14 wherein the optical fiber has an absolute magnitude of the dispersion at a wavelength of 1310 nm less than 8.0 ps/nm-km. 19. The optical waveguide fiber of claim 14 wherein the optical fiber has a mode field diameter at a wavelength of 1310 nm greater than 7.0 μm2.