At least penta-layered optical device

G - Physics – 02 – B

Patent

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Details

G02B 1/04 (2006.01) G02B 6/122 (2006.01) G02F 1/065 (2006.01) G02B 6/12 (2006.01) G02F 1/01 (2006.01) G02F 1/035 (2006.01)

Patent

CA 2222145

The present invention is in the field of optical components, more particularly, polymeric optical components, even more particularly, thermo- optical components, electro-optical components or passive components. The present invention pertains to an optical component having an at least penta- layered polymer structure on a substrate comprising: A) a low refractive index lower cladding layer, B) a core-matching refractive index lower cladding layer, C) a core layer, D) a core-matching refractive index upper cladding layer, and E) a low refractive index upper cladding layer. With this specific layer structure an optimal transversal confinement can be obtained, which results in less loss of light and an improved switching efficiency.

L'invention concerne des composants optiques, et plus particulièrement des composants optiques polymères et encore plus spécifiquement des composants thermo-optiques, des composants électro-optiques ou des composants passifs. L'invention se rapporte à un composant optique présentant une structure polymère à au moins cinq couches, appliquée sur un substrat et comprenant: a) une couche de recouvrement inférieure à faible indice de réfraction, b) une couche de recouvrement inférieure à faible indice de réfraction coïncidant avec le centre, c) une couche centrale, d) une couche de recouvrement supérieure à faible indice de réfraction coïncidant avec le centre, e) une couche de recouvrement supérieure à faible indice de réfraction. Avec cette structure en couches spécifique, on obtient un confinement transversal optimum, une perte de lumière réduite et une efficacité de commutation accrue.

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