Four-port optical filter fabricated from tapered optical fiber

Details Four-port optical filter fabricated from tapered optical fiber Four-port optical filter fabricated from tapered optical fiber

G - Physics

02

B

G02B 6/293 (2006.01) G02B 6/35 (2006.01) G02F 1/383 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2559506

A four-port optical filter is provided including two tapered optical fibers, each having a loop in the area of their tapered portions, which are located relative to one another to form a ring resonator. The optical filter has a low Q with a broadband filter response which is useful as a channel interleaves or de-interleaves for dense wavelength division multiplexing and other applications.

Un filtre optique à quatre points d'accès comprend deux fibres optiques coniques, chacune comportant une boucle dans la zone des parties coniques, rapprochées l'une de l'autre, pour former un résonateur en anneau. le filtre optique présente un faible facteur de surtension, avec une réponse de filtre à large bande, utile comme entrelacements ou désentrelacements de canaux pour dense multiplexage par répartition en longueur d'onde et autres applications.

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