Wavelength demultiplexer

Details Wavelength demultiplexer Wavelength demultiplexer

H - Electricity

04

J

H04J 14/02 (2006.01) G02B 6/34 (2006.01)

Patent

CA 2194086

he demultiplexer has a diffraction space (Ce) that is defined by a receiving surface (Ze) coupled to a network (R). In order to obtain output waves (Sk) with a flat spectral response, the entry guide (Ge) and the receiving surface (Ze) are sized so that the entry wave (e) will diffract on that surface (Zc) and display several secondary lobes. Applicable, in particular, to optical communications systems with wavelength-division multiplexing.

Le démultiplexeur comporte un espace de diffraction (Ce) délimité par une surface de réception (Ze) couplée à un réseau (R). Afin d'obtenir des ondes de sortie (Sk) à réponse spectrale aplatie, le guide d'entrée (Ge) et la surface de réception (Ze) sont dimensionnés pour que l'onde d'entrée (e) diffracte sur cette surface (Zc) en présentant plusieurs lobes secondaires. Application notamment aux systèmes de communication optiques à multiplexage de longueurs d'onde.

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