Pmd measurement and compensation

Details Pmd measurement and compensation Pmd measurement and compensation

H - Electricity

04

B

H04B 10/08 (2006.01) G01J 4/04 (2006.01) H04B 10/18 (2006.01)

Patent

CA 2413439

A polarization mode dispersion (PMD) compensator far compensation of PMD in polarization bit interleaved (PBI) optical signals is disclosed. The control uses spectral analysis of components of the electrical output, particularly analysis of a spectral component having a frequency corresponding to the bit frequency of the two bit streams which form the bit interleaved signal. Minimising this spectral component results in alignment of the signal in the system at 45 degrees to the two principal axes. An apparatus for measuring PMD based an spectral analysis is also disclosed.

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