Direction of optical signals by a movable diffractive...

Details Direction of optical signals by a movable diffractive... Direction of optical signals by a movable diffractive...

G - Physics

02

B

G02B 26/08 (2006.01) G02B 5/18 (2006.01) G02B 5/32 (2006.01) G02B 6/34 (2006.01) G02B 6/35 (2006.01)

Patent

CA 2381675

A method and apparatus for telecommunications applications, such as switching (Add/Drop) multiplexing and demultiplexing, is disclosed. A source (70, 72, 74, 76) of input optical signals (10) are directed onto a movable diffractive optical element or MDOE (12). Each of the optical signals is of a particular wavelength. The MDOE generates and distributes output optical signals (92, 94) among output stations (88, 90).

L'invention concerne un procédé et un dispositif destinés à des applications relevant du domaine des télécommunications, telles que la commutation (insertion/extraction), le multiplexage et le démultiplexage. Ce procédé consiste à diriger une source (70, 72, 74, 76) de signaux optiques d'entrée (10) sur un élément optique mobile à diffraction, ou MDOE (12). Chacun de ces signaux optiques présente une longueur d'onde spécifique. Le MDOE produit alors des signaux optiques de sortie (92, 94) et les répartit entre des stations de sortie (88, 90).

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