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We demonstrate an equalization technique to simultaneously compensate for the fiber chromatic dispersion and the distortions induced by the in-phase/quadrature-phase (I/Q) imbalances and bias deviation in the Mach-Zehnder modulators (MZMs). With this technique, the requirement for the monitoring circuits at the transmitter could be relaxed or even eliminated, and thus simplifies the system design...
We demonstrate an equalization technique to compensate for impairments induced by dispersion as well as I/Q imbalance and bias deviation in the MZM. The proposed scheme has a 2 dB improvement in back to back and a 4 dB gain after 800 km SSMF transmission with I/Q imbalance.
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