Method and apparatus for automatic compensation of...

Details Method and apparatus for automatic compensation of... Method and apparatus for automatic compensation of...

H - Electricity

04

B

H04B 10/18 (2006.01)

Patent

CA 2245303

The effect of polarization mode dispersion that an optical signal experiences as it propagates through an optical transmission fiber is compensated for at a receiver using a birefringent compensator, in which the compensator automatically and adaptively generates a level of differential time delay that substantially equals the differential time delay that the optical signal experiences, but of different sign, and, therefore, essentially cancels out the undesired delay.

L'effet de dispersion en mode polarisation qu'un signal optique subit en se propageant sur une fibre de transmission optique est compensé à un récepteur au moyen d'un compensateur biréfringent, le compensateur générant de façon automatique et adaptative un certain retard différentiel qui est essentiellement égal au retard différentiel du signal optique, mais de signe différent, et qui, par conséquent, annule essentiellement le retard non désiré.

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