Optical waveguide bragg reflection gratings

Details Optical waveguide bragg reflection gratings Optical waveguide bragg reflection gratings

G - Physics

02

F

G02F 1/225 (2006.01) G02B 6/124 (2006.01) G02B 6/12 (2006.01)

Patent

CA 2211244

An optical waveguide Bragg grating spectrally selective reflector is made by ion beam implantation through a photolithographic mask to raise locally the effective refractive index of the guide. This contrasts with the standard method, which uses UV light to raise the index through the agency of the photo-refractive effect.

Réflecteur à sélection spectrale et à réseau de Bragg pour guide d'onde optique. On fabrique ce réflecteur par implantation ionique à travers un masque photographique pour augmenter localement l'indice de réfraction efficace du guide d'onde. Cette manière de procéder diffère de la méthode normale qui fait usage de rayons ultraviolets pour augmenter l'indice de réfraction en mettant à contribution l'effet photoréfractif.

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