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    • 2. 发明授权
    • Dispersion compensating fiber for low slope transmission fiber and optical transmission line utilizing same
    • 用于低斜率传输光纤的色散补偿光纤和利用其的光传输线
    • US06975801B2
    • 2005-12-13
    • US10196076
    • 2002-07-15
    • Scott R. Bickham
    • Scott R. Bickham
    • G02B6/036G02B6/16
    • G02B6/02009G02B6/02261G02B6/02271G02B6/0228G02B6/0286G02B6/03677G02B6/03688G02B6/29377
    • A Dispersion Compensation (DC) fiber for low slope transmission fiber (such as a NZDSF) and transmission line including same. The DC fiber has a refractive index profile having a central core with a core delta (Δ1) value less than 1.8%, a moat surrounding the central core having a moat delta (Δ2) value greater than −0.9%, and a ring surrounding the moat having a positive ring delta (Δ3). The DC fiber's refractive index profile is selected to provide total dispersion less than −40 and greater than −87 ps/nm/km, and kappa of greater than 165 and less than 270 nm, all at 1550 nm. The DC fiber, when used in a transmission line, may provide low average residual dispersion across the C, L, and C+L when such lines include transmission fibers with a total dispersion between 4 and 10 ps/nm/km and a dispersion slope less than 0.045 ps/nm2/km at 1550 nm.
    • 用于低斜率传输光纤(例如NZDSF)的色散补偿(DC)光纤和包括其的传输线。 DC纤维具有折射率分布,其中心芯具有小于1.8%的核心三角洲(Delta 1)值,围绕中心芯的护城河具有大于-0.9%的护城河三角洲(Delta 2)值,以及环 围绕具有正环形三角洲(Delta 3)的护城河。 选择DC纤维的折射率分布以提供小于-40且大于-87ps / nm / km的总色散,并且大于165且小于270nm的κ全部为1550nm。 当用于传输线路时,DC纤维可以在C,L和C + L两端提供低的平均残留色散,当这种线包括总色散在4和10ps / nm / km之间的传输光纤和色散斜率 在1550nm处小于0.045ps / nm 2 / km。
    • 3. 发明授权
    • Dispersion compensation optical fiber and optical transmission line using same
    • 色散补偿光纤和光传输线使用相同
    • US06757468B2
    • 2004-06-29
    • US10098889
    • 2002-03-14
    • Scott R. BickhamDenis Donlagic
    • Scott R. BickhamDenis Donlagic
    • G02B602
    • G02B6/02261G02B6/02004G02B6/0228G02B6/03644G02B6/03677G02B6/29377H04B10/2525H04B10/2916
    • A Dispersion Compensation (DC) fiber and transmission line including the same. The DC fiber has a refractive index profile having a central core with a core delta (&Dgr;1) value greater than 1.5%, a moat surrounding the central core having a moat delta (&Dgr;2) value less negative than −0.65%, and a ring surrounding the moat having a positive ring delta (&Dgr;3). The DC fiber's refractive index profile is selected to provide total dispersion less than −87 and greater than −167 ps/nm/km; dispersion slope more negative than −0.30 ps/nm2/km; and kappa of greater than 151 and less than 244 nm, all at 1550 nm. The DC fiber, when used in transmission lines, may provide low average residual dispersions across the C, L, C+L and S bands when such lines include transmission fibers with total dispersion between 4 and 10 ps/nm/km, and a positive dispersion slopes of less than 0.045 ps/nm2/km at 1550 nm. Further embodiments are described that include Raman pumping.
    • 一种色散补偿(DC)光纤和包括其的传输线。 DC纤维具有折射率分布,其中心芯具有大于1.5%的核心三角洲(Delta1)值,围绕中心核心的护城河具有小于-0.65%的护城河三角洲(Delta2)值,以及围绕 护城河具有正环形三角洲(Delta3)。 选择DC纤维的折射率分布,以提供小于-87且大于-167ps / nm / km的总色散; 色散斜率比-0.30ps / nm 2 / km更负; 和κ大于151且小于244nm,全部为1550nm。 当用于传输线路时,直流光纤可以在C,L,C + L和S波段上提供较低的平均残留色散,当这种线包括总色散在4psps / nm / km之间的传输光纤, 在1550nm处的色散斜率小于0.045ps / nm 2 / km。 描述包括拉曼泵送的其它实施例。