Device for directional and wavelength selective optical...

Details Device for directional and wavelength selective optical... Device for directional and wavelength selective optical...

G - Physics

02

B

G02B 6/124 (2006.01) G02B 6/12 (2006.01) G02B 6/122 (2006.01) G02B 6/26 (2006.01)

Patent

CA 2490287

The invention concerns a device for directional and wavelength selective optical coupling, formed in a photonic crystal (12) and comprising two parallel waveguides (14, 16) separated by a coupling zone (18) for extracting a specific frequency from a signal (30) injected in fundamental mode of a waveguide (14) and for recovering said frequency in output (34) of the other waveguide (16), by coupling between fundamental mode and high order mode of each waveguide.

Dispositif de couplage optique directionnel et sélectif en longueur d~onde, formé dans un cristal photonique (12) et comprenant deux guides d~ondes parallèles (14, 16) séparés par une zone de couplage (18), permettant d~extraire une fréquence particulière d~un signal (30) injecté dans le mode fondamental d~un guide d~onde (14) et de récupérer cette fréquence en sortie (34) de l~autre guide d~onde (16), par couplage entre mode fondamental et mode d~ordre élevé de chaque guide d~onde.

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