Optical waveguide with dissimilar core and cladding...

Details Optical waveguide with dissimilar core and cladding... Optical waveguide with dissimilar core and cladding...

H - Electricity

01

S

H01S 3/06 (2006.01) H01S 3/063 (2006.01)

Patent

CA 2338437

An optical waveguide, radiation emitting device employing the same, and process for fabricating the radiation emitting device are provided. The optical waveguide has a core (12) fabricated of a first material with a first index of refraction and cladding (14) surrounding the core (12) fabricated of a second material with a second index of refraction. The core is an active material which emits radiation at a desired wavelength when pumped with radiation of a predetermined wavelength, and the first material and second material are dissimilar materials (R1, R2), having been separately fabricated and subsequently physically assembled as the waveguide. The light emitting device employing the optical waveguide is configured either as an amplified spontaneous emission (ASE) source or laser source employing appropriate reflective materials at the ends of the optical waveguide.

L'invention porte sur un guide d'ondes optique, un dispositif émetteur de rayonnement l'utilisant, et le procédé de fabrication de ce dernier. Ledit guide d'ondes présente une âme (12) faite d'un premier matériau d'un premier indice de réfraction, et une gaine (14) entourant l'âme (12), faite d'un deuxième matériau d'un deuxième indice de réfraction. Le matériau de l'âme émet sur une longueur d'onde prédéterminée, le premier matériau et le deuxième étant des matériaux non similaires fabriqués séparément puis assemblés pour constituer le guide d'ondes. Le dispositif émetteur de lumière utilisant le guide d'onde optique peut être soit une source d'émissions spontanées amplifiées, soit un laser utilisant des matériaux (R1, R2) réflecteurs appropriés disposés aux extrémités du guide d'ondes optique.

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