G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/134 (2006.01) G02B 6/124 (2006.01)
Patent
CA 2217806
A method of forming a grating in waveguide uses an ion exchange process to provide a waveguide region within and clad by a surrounding substrate and through an ion exchange process diffusing into the substrate an ion, such as such as Ag+, that is photosensitive and that provides a refractive index difference from adjacent non-diffused regions of the substrate. After the diffusion process, the step of exposing at least some of the waveguide region to light having a suitable intensity and duration to provide a permanent index change within regions of the waveguide region to form a grating is performed.
Méthode de formation d'un réseau dans un guide d'onde, utilisant un processus d'échange d'ions afin de produire une zone de confinement optique à l'intérieur d'un substrat de gainage par la diffusion d'un ion photosensible, p. ex. Ag+, causant une différence d'indice de réfraction par rapport aux régions adjacentes du substrat. Après la diffusion, au moins une partie de la zone de confinement optique est exposée à une lumière d'intensité et de durée convenables afin de modifier en permanence l'indice de régions de la zone de confinement optique et de constituer ainsi un réseau.
Fabricius Norbert
Farries Mark
Ingenhoff Jan
Keyworth Barrie
Fabricius Norbert
Farries Mark
Ingenhoff Jan
Jds Uniphase Inc.
Keyworth Barrie
LandOfFree
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