Dispersion-flattened optical fiber

G - Physics – 02 – B

Patent

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G02B 6/036 (2006.01)

Patent

CA 2277332

A dispersion flat optical fiber having a structure for effectively suppressing the development of a non-linear optical phenomenon and suitable for a wavelength multiplexing soliton transmission using an optical amplifier. It has various characteristics at a wavelength of 1,550 nm, including a dispersion having an absolute value of not greater than 5 ps/nm/km, an effective sectional area of at least 45 µm2, a dispersion slope of not greater than 0.03 and a cut-off wavelength of at least 1.0 µm at a length of 2 m.

La présente invention concerne une fibre optique à dispersion plate possédant une structure qui permet de supprimer efficacement l'apparition d'un phénomène optique non linéaire et qui convient à la transmission par solitons à multiplexage en longueur d'onde à l'aide d'un amplificateur optique. L'invention présente différentes caractéristiques à une longueur d'onde de 1550 nm, y compris une dispersion d'une valeur absolue inférieure ou égale à 5 ps/nm/km, une surface de coupe effective d'au moins 45 µm?2¿, une pente de dispersion inférieure ou égale à 0,03 et une longueur d'onde de coupure d'au moins 1,0 µm sur une longueur de 2 m.

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