Abstract
A Stokes space based technique for digital polarization-dependent losses
(PDL) monitoring and compensation is proposed. The channel PDL monitoring
is carried out with a resolution of 0.15 dB by computing the mean point of
the signal samples represented in the three-dimensional Stokes space. The
presented compensation technique is based on rotations and translations of
the signal samples in the Stokes space, and provides a PDL compensation up
to 2.5 dB. Error vector magnitude results show a gain of about 3 dB (assuming
a PDL value equal to 1.5 dB) to a Stokes space based polarization demultiplexing
technique without PDL compensation.
© 2013 IEEE
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