Waveguide optical phase shifter

G - Physics – 02 – B

Patent

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Details

G02B 26/06 (2006.01) G02B 6/122 (2006.01) G02B 6/26 (2006.01) G02B 6/35 (2006.01) G02B 26/02 (2006.01) G02B 6/12 (2006.01)

Patent

CA 2403689

An optical phase shifter including a constant phase shift element or a variable phase shift element, each introducing a desired and predetermined phase shift into an optical signal passing through the phase shifter. The phase shifter has coaxial first and second waveguides each with a core defining an optical path, through the first waveguide and having an output facet, and which waveguides are separated from each other by a predetermined distance. The phase shift element is disposed between the waveguides and an actuator is coupled to the phase shift element for causing selective movement of the phase shift element.

La présente invention concerne un déphaseur optique comportant un élément de déphasage constant ou un élément de déphasage variable, introduisant chacun un déphasage souhaité et prédéterminé dans un signal optique traversant le déphaseur. Le déphaseur présente des premier et second guides d'ondes coaxiaux contenant chacun un noyau qui forme un trajet optique le long du premier guide d'ondes et une facette de sortie, ces guides d'ondes étant séparés par une distance prédéterminée. L'élément de déphasage est disposé entre les guides d'ondes, un actionneur étant couplé à l'élément de déphasage pour provoquer un mouvement sélectif de ce dernier.

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