Optical waveguides – Optical fiber waveguide with cladding – Utilizing multiple core or cladding
Reexamination Certificate
2007-10-30
2007-10-30
Song, Sarah (Department: 2874)
Optical waveguides
Optical fiber waveguide with cladding
Utilizing multiple core or cladding
C385S123000
Reexamination Certificate
active
10564704
ABSTRACT:
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
m-km, more preferably 0.3˜2.4 ps
m-km, at 1460 nm, a dispersion value of 3.0˜5.5 ps
m-km, more preferably 3.2˜5.2 ps
m-km, at 1550 nm, and a dispersion value of 4.5˜8.0 ps
m-km, more preferably 4.8˜7.7 ps
m-km, at 1625 nm. In addition, the optical fiber has a dispersion slope of 0.023˜0.05 ps
m-km2at 1550 nm, an effective sectional area of 35˜50 μm2at 1550 nm, an effective section area of 35˜50 μm2at 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.
REFERENCES:
patent: 6819847 (2004-11-01), Matsuo et al.
patent: 6928222 (2005-08-01), Sillard et al.
patent: 2001/0022883 (2001-09-01), Montmorillon et al.
patent: 2003/0077057 (2003-04-01), Kato et al.
patent: 2003/0152347 (2003-08-01), Matsuo et al.
Moon Joon-Ho
Park Hye-Young
Jones Day
LS Cable Ltd.
Song Sarah
LandOfFree
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