Method and arrangement for reducing the signal degradation...

Details Method and arrangement for reducing the signal degradation... Method and arrangement for reducing the signal degradation...

H - Electricity

04

J

H04J 14/06 (2006.01) H04B 10/135 (2006.01)

Patent

CA 2485304

Method for reducing signal degradation in an optical polarisation-multiplex system. The modulated optical signals (S1, S2) to be transmitted are synchronised or generated such that the phase difference for NRZ-modulated signals (S1, S2) is at least approximately 0~ and the phase difference for RZ- modulated signals is at least approximately 180~. They can also be achieved by means of different synchronising devices.

Selon l'invention, les signaux optiques modulés (S1, S2) à transmettre sont synchronisés entre eux ou produits de sorte que le déphasage de signaux modulés NRZ (S1, S2) vaut au moins approximativement 0· et le déphasage de signaux modulés RZ vaut au moins approximativement 180·. Ceci peut également être obtenu par des dispositifs de synchronisation différents.

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