Dispersion-shifted fiber

Details Dispersion-shifted fiber Dispersion-shifted fiber

1997-12-24

2000-06-06

Palmer, Phan T. H.

Optical waveguides

Optical fiber waveguide with cladding

385127, 385124, G02B 602

Patent

active

060729295

ABSTRACT:
The present invention aims to provide a dispersion-shifted fiber which can effectively restrain nonlinear optical effects from occurring and has a configuration suitable for long-haul light transmission. The dispersion-shifted fiber has, as various characteristics at a wavelength of 1,550 nm, a dispersion level of 1.0 to 4.5 ps
m/km in terms of absolute value, a dispersion slope not greater than 0.13 ps
m.sup.2 /km in terms of absolute value, an effective core cross-sectional area not less than 70 .mu.m.sup.2, and a transmission loss not greater than 0.25 dB/km with respect to light in a 1.55-.mu.m wavelength band.

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P. Nouchi, P. Sansonetti, J. Von Wirth, C. Le Sergent, New Dispersion Shifted Fiber With Effective Area Larger Than 90.mu.m.sup.2, 22.sup.nd European Conference on Optical Communications--ECOC'96, Oslo.
Song et al, "A new Scheme in Equally-spaced Channel WDM + EDFA Terrestrial Systems to Depress Fiber Dispersion and FWM Effects", ICCT '96 1996 International Conference on Communication Technology Proceedings (CAT. No. 96TH8118), Beijing, Vhina, 5-7 May 1996, pp. 315-318 vol. 1, XP002106670 New York, NY, USA, IEEE, USA.
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Liu et al, "Single-Mode Dispersion-Shifted Fibers With Effective Area Larger than 80 .mu.m.sup.2 And Good Bending Performance", Proc. 21st Eur. Conf. on Opt. Comm. (ECOC95-Brussels), 1995, pp. 333-336.

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