Method for transmitting optical polarization multiplex

Details Method for transmitting optical polarization multiplex Method for transmitting optical polarization multiplex

H - Electricity

04

B

H04B 10/148 (2006.01) H04J 14/06 (2006.01)

Patent

CA 2499091

Binary signals (A, B, C, D) are converted at the transmission end into two optical signals (QPS1, QPS2) which are combined into a polarization multiplex signal (PMS) and are then transmitted. The transmitted polarization multiplex signal (PMS) is divided at the receiving end into two polarized signal parts (PS1, PS2) which are converted in a linear manner into orthogonal electrical components (I1, Q1; I2, Q2) and are supplied to a multidimensional filter (16). Said multidimensional filter (16) replaces a polarization controller, restores the signal values (I11 + jQ11; I12 + jQ12) that correspond to the signals (QPS1, QPS2) at the transmission end, and compensates signal distortions.

Dans l'émetteur, les signaux binaires (A, B, C, D) sont transformés en deux signaux optiques (QPS1, QPS2) qui sont réunis en un signal multiplex de polarisation (PMS) puis transmis. Dans le récepteur, le signal est divisé en deux fractions polarisées (PS1, PS2) qui sont transformées en composantes électriques orthogonales (I¿1?, Q¿1?; I¿2?, Q¿2?) et cédées à un filtre multidimensionnel (16). Cela permet de remplacer un régulateur de polarisation et de régler les valeurs de signal (I¿11? + jQ¿11?; I¿12? + jQ¿12?) correspondant aux signaux côté émetteur (QPS1, QPS2). Cela permet également de compenser les distorsions des signaux.

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