Dispersion compensating fiber module, and optical fiber...

Details Dispersion compensating fiber module, and optical fiber... Dispersion compensating fiber module, and optical fiber...

2007-02-20

2007-02-20

Connelly-Cushwa, Michelle (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

C385S127000

Reexamination Certificate

active

11072533

ABSTRACT:
A dispersion compensating fiber module which, when connected to an optical fiber which exhibits, at a wavelength of 1.55 μm, a chromatic dispersion of between +2 and +6 ps
m/km, a dispersion slope of between +0.075 ps
m2/km and +0.095 ps
m2/pm, and a relative dispersion slope of between 0.016 nm−1and 0.024 nm−1, performs compensation so that the residual dispersion of the connected optical fiber is reduced, the dispersion compensating fiber module includes a dispersion compensating fiber and at least one optical fiber fused to the dispersion compensating fiber, in which the dispersion compensating fiber module exhibits at a wavelength of 1.55 μm, a relative dispersion slope of between 0.016 nm−1and 0.026 nm−1; and in a wavelength range between 1.525 μm and 1.565 μm, a maximum residual dispersion difference, when converted per km of the transmission optical fiber, of less than or equal to 0.4 ps
m/km.

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Kazuhiko Aikawa et al., “High Performance Wide-Band Dispersion Compensating Fiber Module for Non-Zero Dispersion Shifted Optical Fiber”, Technology Report of the Institute for Electronics, Information and Communication Engineers, Apr. 2002, p. 35.

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