H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/18 (2006.01) H04B 10/08 (2006.01)
Patent
CA 2338343
What is described here is a system for compensating distortions induced by polari- sation modulation dispersion (PMD) in optical transmission systems and in transmis- sion fibres in particular, comprising - a means for measuring PMD-induced distortions, - an emulator unit for adjustable PMD levels, and - a controller which the output signal of said measuring means is applied to and which serves to control said emulator unit. In accordance with the invention both the emulator unit and the measuring means are improved for the PMD-induced distortions as well as the controller and the ap- plied control criterion (alone or in combination).
L'invention concerne un dispositif pour minimiser ou compenser des distorsions dues à une dispersion de polarisation de mode dans des systèmes de transmission optique et notamment dans des fibres de transmission. Ce dispositif comprend une unité de mesure pour les distorsions dues à une dispersion de polarisation de mode ; une unité d'émulation pour des valeurs de dispersion de polarisation de mode réglables ; une unité de régulation à laquelle est appliqué le signal de sortie de l'unité de mesure et qui commande l'unité d'émulation. Selon l'invention, l'unité d'émulation comme l'unité de mesure pour les distorsions dues à une dispersion de polarisation de mode, ainsi que l'unité de régulation et le critère de régulation utilisé sont perfectionnés (de façon individuelle ou combinée).
Bandemer Adalbert
Krause Egbert
Bandemer Adalbert
Kirby Eades Gale Baker
Thorlabs Inc.
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