Highly non-linear single mode waveguide

G - Physics – 02 – B

Patent

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Details

G02B 6/02 (2006.01) G02B 6/028 (2006.01) G02F 1/35 (2006.01) H04B 10/135 (2006.01) H04B 10/18 (2006.01)

Patent

CA 2313086

Disclosed is a single mode optical waveguide fiber having a core region refractive index profile designed to provide a highly non-linear refractive index. The core index profile of the highly non-linear waveguide is an .alpha.- profile which has pre-selected values of relative refractive index and core diameter so as to retain the advantageous optical waveguide properties of low attenuation, properly placed zero dispersion and cut off wavelengths, low, positive total dispersion over a pre-selected wavelength range, and low dispersion slope.

L'invention concerne une fibre guide d'onde optique monomode comportant un profil d'indice de réfraction de la zone du coeur conçu pour obtenir un indice de réfraction hautement non linéaire. Le profil de l'indice du coeur du guide d'onde hautement non linéaire est un profil .alpha., qui possède des valeurs présélectionnées de l'indice de réfraction relatif et du diamètre du coeur. Il permet ainsi de conserver les propriétés optiques avantageuses du guide d'onde, à savoir une faible atténuation, des longueurs d'onde à dispersion nulle et de coupure placées correctement, une dispersion totale positive faible comprise dans une gamme de longueurs d'onde présélectionnée, et une pente de dispersion faible.

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