Spiral waveguide slow wave resonator structure

G - Physics – 02 – B

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G02B 6/26 (2006.01) G02B 6/10 (2006.01) G02F 1/365 (2006.01)

Patent

CA 2542176

An optical microresonator includes microcylinder and spiral resonant waveguide formed on the microcylinder that optically couples light from an optical source waveguide to the microcylinder and slows light propagating along the microcylinder. A coupling element, for example, a diffraction grating can be operative with the resonant waveguide structure and configured to meet a desired phase matching. A second microcylinder having a spiral resonant waveguide formed thereon can be positioned adjacent to the spiral resonant waveguide formed on the first microcylinder for coupling therewith. The spiral resonant waveguides on first and second microcylinders can be configured for slowing light propagating along the microcylinder.

Un microrésonateur optique est composé d'un microcylindre doté d'un guide d'ondes de résonance en spirale qui couple optiquement la lumière d'un guide d'ondes de résonance source au microcylindre et ralentit la propagation de la lumière sur celui-ci. Un élément de couplage, tel un réseau de diffraction, peut fonctionner avec la structure du guide d'ondes de résonance et être configuré pour produire une phase souhaitée. Un deuxième microcylindre muni d'un guide d'ondes de résonance en spirale peut être contigu au guide d'ondes de résonance du premier microcylindre aux fins de couplage avec celui-ci. Il est possible de configurer les guides d'ondes de résonance en spirale des premier et deuxième microcylindres pour ralentir la propagation de la lumière le long de ces derniers.

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