Dispersion-controlled optical fiber

Details Dispersion-controlled optical fiber Dispersion-controlled optical fiber

2006-02-14

2006-02-14

Ullah, Akm Enayet (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

With graded index core or cladding

C385S123000, C385S127000

Reexamination Certificate

active

06999667

ABSTRACT:
Disclosed is an optical fiber comprising a center core which forms a passageway for transmitting optical signals and has a refractive index N1, and a cladding which encloses the center core and has a refractive index N0. The optical fiber further comprises an upper core, which has a distribution of refractive indices increased starting from a refractive index N2(>N0) at its outer circumference to the refractive index N1at its internal circumference, and a minutely depressed refractive index region, which is interposed between said upper core and cladding and has a refractive index N3. The refractive index N3is lower than the refractive index N0.

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“Study on the Design of Non-Zero Dispersion Shifted Fiber for Ultra-Wide Band WDM Transmission;” Wonkyoung Lee et al.; Proc. 27thEur. Conf. On Opt. Comm.; vol. 3; Sep. 30, 2001; XP010583436; 2 pages.

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