M x n optical cross-connect

Details M x n optical cross-connect M x n optical cross-connect

G - Physics

02

F

G02F 1/29 (2006.01) G02B 6/12 (2006.01) G02B 6/26 (2006.01) G02F 1/313 (2006.01) H04Q 3/52 (2006.01) G02F 1/01 (2006.01)

Patent

CA 2374685

An optical cross-connect is provided which includes an M quantity of first waveguides and an N quantity of second waveguides. The second waveguides intersecting the first waveguides with a node being defined at each intersection. At least one switching element (preferably an oval resonator) is disposed adjacent to each of the nodes to selectively transfer portions of the signals between the waveguides. To minimize cross-talk between the signals, the waveguides are enlarged at, and in proximity to, the nodes to reduce diffraction of the signals.

L'invention porte sur un brasseur optique qui comprend un nombre M d'une première série de guides d'onde et un nombre N d'une seconde série de guides d'onde. Les guides d'onde de la seconde série s'entrecroisent avec les guides d'onde de la première série pour former un noeud à chaque intersection. Au moins un élément de commutation (de préférence un résonateur oval) est disposé adjacent à chacun des noeuds pour transférer sélectivement des parties des signaux entre les guides d'onde. Pour réduire au minimum les intermodulations entre les signaux, les guides d'onde sont agrandis au niveau et à proximité des noeuds afin de réduire la diffraction des signaux.

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