Integrated optical LiNbO 3 distributedpolarisation mode dispersion compensator in 20 Gbit/s transmission system

Abstract
Polarisation mode dispersion (PMD) in existing fibres impairs transmission at ≥ 10 Gbit/s. A 43 ps PMD compensator in X-cut, Y-propagation Ti:LiNbO3 with cascaded TE-TM converters is presented and successful operation at 20 Gbit/s demonstrated.