Tunable optical add/drop multiplexer

G - Physics – 02 – F

Patent

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Details

G02F 1/01 (2006.01) G02B 6/34 (2006.01) G02F 1/065 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2324417

Optical signal devices, wavelength division multiplexer/demultiplexer optical devices, and methods of employing the same in which the core layer (4) includes a grating and is comprised of a material whose refractive index is tuned (e.g. by a heater (8)) so that the grating reflects a preselected wavelength of light. A single optical signal device can therefore be used to select a variety of wavelengths for segregation.

La présente invention concerne des dispositifs à signaux optiques, des dispositifs optique de multiplexage/démultiplexage et leurs méthodes d'utilisation. Dans ces dispositifs, la couche centrale (4) comprend une grille et est constituée par une matière dont l'indice de réfraction est accordé (par exemple, par une unité de chauffage (8)) de telle façon que ladite grille reflète une longueur d'onde lumineuse présélectionnée. Dans ces conditions, un seul dispositif de signal optique peut servir à sélectionner, pour les isoler, diverses longueurs d'onde lumineuse.

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