Protection for mems cross-bar switch

H - Electricity – 04 – J

Patent

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Details

H04J 14/00 (2006.01) G02B 6/26 (2006.01) G02B 6/35 (2006.01) G02B 6/42 (2006.01)

Patent

CA 2366438

A protection system for a micro electro-mechanical system (MEMS) cross-bar switch (200) is described. Optical signals that are cross-connected by a NxN optical matrix switch are routed through alternative protection paths using protection switch elements (210, 220, 230). The protection switch elements (210, 220, 230) are incorporated as part of the silicon wafer based fabricated structure that forms the NxN optical matrix. The protection switch elements (210, 220, 230) enable the NxN optical matrix switch to recover from one or more failures in switch elements of the NxN optical matrix using alternative protection paths that have the same path length as the original optical path.

L'invention concerne un système de protection destiné à un commutateur à barres croisées de système micro-électromécanique (MEMS). Des signaux optiques interconnectés par un commutateur à matrice optique N x N sont acheminés à travers des voies de protection variantes à l'aide d'éléments de commutateur de protection. Ces éléments sont incorporés en tant que partie de la structure fabriquée à partir d'une plaquette en silicium, structure qui constitue la matrice optique N x N. Les éléments de commutateur de protection permettent au commutateur à matrice optique N x N de se rétablir au moins d'une des défaillances des éléments de commutateur à matrice optique N x N, à l'aide des voies de protection variantes qui présentent la même longueur de voie que la voie optique d'origine.

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