Optical circuit element and method of producing the same

Details Optical circuit element and method of producing the same Optical circuit element and method of producing the same

G - Physics

02

F

G02F 1/09 (2006.01) G02B 6/26 (2006.01)

Patent

CA 2392499

To provide an optical circuit element and, particularly, an optical circulator or the like, that exhibits an excellent extinction ratio and that can be easily produced at a decreased cost. An optical circuit element comprising, in combination, two polarized light-separating elements, two totally reflecting mirrors, at least a piece of polarizing plane rotating element independent of a direction of travel of light, at least a piece of polarizing plane rotating element dependent of a direction of travel of light, a plurality of light incident/outgoing ports, and a magnetic field application means, wherein said polarized light-separating elements and said totally reflecting mirrors are formed of the same or different multi-layer polymer films.

L'invention se rapporte à un élément de circuit optique, et notamment à un circulateur optique ou analogue, qui possède un excellent rapport d'extinction et qui peut être produit facilement à coût réduit. Cet élément de circuit optique comporte, de manière combinée, deux éléments séparant la lumière polarisée, deux miroirs à réflexion totale, au moins un élément de rotation du plan de polarisation indépendant d'un sens de propagation de la lumière, au moins un élément de rotation du plan de polarisation dépendant d'un sens de propagation de la lumière, une pluralité de ports d'entrée et de sortie de la lumière et un organe conçu pour appliquer un champ magnétique, lesdits éléments séparateurs de la lumière polarisée et lesdits miroirs à réflexion totale étant formés de films polymères multicouches identiques ou différents.

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