Optical transmission network with switching matrix

Details Optical transmission network with switching matrix Optical transmission network with switching matrix

H - Electricity

04

Q

H04Q 11/02 (2006.01) H04J 14/02 (2006.01) H04Q 11/00 (2006.01)

Patent

CA 2124463

Network comprising composite switching matrices (M1, M2, M3), each scattered between several nodes (N1, N2, N3) of said network. The nodes are connected by means of optical fibres (L3A3, L1A4) transmitting spectral multiplexed signals and included in said matrices. The matrices include stepped wavelength transmitters (E2A1, 1...E2A2, 4), star couplers (C2A1, C2A2) for the controlled spatial switching matrices (X2A1...X2A4) and wavelength controlled filters (F2A1, 1...F2A4, 4). Application in telecommunications.

2124463 9409601 PCTABS00166 Ce réseau comporte des matrices de commutation composites (M1, M2, M3) éclatées chacune entre plusieurs noeuds (N1, N2, N3) de ce réseau. Ces noeuds sont reliés par des fibres optiques (L3A3, L1A4) transmettant des multiplex spectraux et incluses dans ces matrices. Ces matrices comportent des émetteurs à longueurs d'ondes échelonnées (E2A1, 1...E2A2, 4), des coupleurs en étoile (C2A1, C2A2) des matrices de commutation spaciales commandées (X2A1...X2A4) et des filtres commandés en longueurs d'ondes (F2A1, 1...F2A4, 4). L'invention s'applique aux télécommunications

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