Optical transmission method and system using solitons

Details Optical transmission method and system using solitons Optical transmission method and system using solitons

1997-03-14

1999-05-18

Lee, John D.

Optical waveguides

With optical coupler

Plural

359161, 359173, G02B6/28

Patent

active

059058250

ABSTRACT:
In an optical transmission method solitons are transmitted through a succession of fibers in which their intensity progressively decreases. To limit distortion of the solitons, this decrease in their intensity is accompanied by a decrease in the chromatic dispersion of the fibers. In accordance with the invention, the succession of fibers includes at least a first fiber featuring continuously longitudinally decreasing chromatic dispersion. Subsequent fibers feature respective longitudinally constant chromatic dispersions forming a longitudinally decreasing sequence. Applications include telecommunications.

REFERENCES:
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patent: 5764841 (1998-06-01), Iwatsuki et al.
patent: 5767998 (1998-06-01), Hasegawa et al.
patent: 5801862 (1998-09-01), Desurvire et al.
Malomed,"Ideal amplification of an ultrashort soliton in a disperison-decreasing fiber", Optics Letters, vol. 19, No. 5, Mar. 1994, Washington, US, pp. 341-343.
Richardson et al, "High quality soliton loss-compensation in 38Km dispersion-decreasing fibre", Electronics Letters, vol. 31, No. 19, 14 Sep. 1995, Stevenage GB, pp. 1681-1682.
Hasegawa et al, "Reduction of collision-induced time jitters in dispersion-managed soliton transmission systems", Optics Letters, vol. 21, No. 1, Jan. 1996, Washington, US pp. 39-41.

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