Optical signal shaping device for complex spectral shaping...

G - Physics – 02 – F

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G02F 1/225 (2006.01) G02B 5/18 (2006.01) G02B 6/10 (2006.01) G02B 6/34 (2006.01) G02B 27/09 (2006.01) H01S 3/10 (2006.01) H04B 10/16 (2006.01)

Patent

CA 2195259

The present invention provides an optical signal shaping device, such as a long period grating, for use with an optical fiber having a core of a first prescribed refractive index n1 and a cladding of a second prescribed refractive index n2 and configured to transmit an optical signal therethrough. The optical signal shaping device comprises a long period grating of predetermined length formed within the optical fiber. The long period grating has a nonuniform refractive index profile extending over at least a portion of the predetermined length and is configured to alter the optical signal to produce an asymmetrical optical signal.

ispositif de mise en forme de signal optique, tel qu'un réseau de diffraction à longue période, à utiliser avec une fibre optique dont le coeur a un premier indice de réfraction prescrit n1 et la gaine un deuxième indice de réfraction prescrit n2, et configuré pour transmettre un signal optique. Le dispositif de mise en forme de signal optique comprend un réseau de diffraction à longue période de longueur prédéterminée formé à l'intérieur de la fibre optique. Le réseau à longue période a un profil d'indice de réfraction non uniforme couvrant au moins une partie de la longueur prédéterminée et est configuré pour modifier le signal optique de façon à produire un signal optique asymétrique.

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