Optical wavelength division multiplexer/ demultiplexer device

Details Optical wavelength division multiplexer/ demultiplexer device Optical wavelength division multiplexer/ demultiplexer device

G - Physics

02

B

G02B 6/293 (2006.01) G02B 6/12 (2006.01) G02B 6/32 (2006.01) G02B 6/35 (2006.01)

Patent

CA 2518072

An optical wavelength division multiplexer/demultiplexer device (2) is described that comprises a substrate (6) having a plurality of wavelength selecting filters (26, 28, 30, 32, 34, 36). The filters (26, 28, 30, 32 ,34 ,36) are arranged to provide conversion between a combined beam comprising a plurality of wavelength channels and a plurality of separate beams each comprising a subset of said plurality of wavelength channels. Hollow core waveguides (4) are formed in said substrate to guide light between the wavelength selecting filters. An add/drop multiplexer (100) is also described.

Cette invention concerne un dispositif (2) multiplexeur/démultiplexeur en longueur d'onde optique comprenant un substrat (6) comportant une pluralité de filtres (26, 28, 30, 32, 34, 36) de sélection de longueurs d'onde. Ces filtres (26, 28, 30, 32, 34, 36) sont conçus pour produire une conversion entre un faisceau combiné comprenant une pluralité de canaux de longueurs d'onde et une pluralité de faisceaux distincts comprenant chacun un sous-ensemble de cette pluralité de canaux de longueurs d'onde. Des guides d'ondes à corps creux (4) sont formés dans ce substrat et servent à guider la lumière entre les filtres de sélection de longueurs d'onde. Cette invention concerne également un multiplexeur à insertion/extraction (100).

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