US 6,983,094 B2
Optical fiber and optical transmission system using such optical fiber
Kazunori Mukasa, Tokyo (Japan)
Assigned to The Furukawa Electric Co., Ltd., Tokyo (Japan)
Filed on Jun. 04, 2003, as Appl. No. 10/453,893.
Claims priority of application No. 2002-164382 (JP), filed on Jun. 05, 2002.
Prior Publication US 2004/0042749 A1, Mar. 04, 2004
Int. Cl. G02B 6/02 (2006.01)
U.S. Cl. 385—127 20 Claims
OG exemplary drawing
 
1. An optical fiber comprising a core and a cladding characterized by:
a positive dispersion of not more than 17 ps/nm/km at a wavelength of 1550 nm,
an effective area (Aeff) of 130 μm2 or more at a wavelength of 1550 nm,
a bending loss of 10 dB/m or less in a diameter of 20 mm at a wavelength of 1550 nm,
a positive dispersion slope of not more than 0.08 ps/nm2/km at a wavelength of 1550 nm, and
a cutoff wavelength λc of a 2 m length of fiber defined by ITU-TG.650 of 1700 nm or shorter.