Proceedings PaperEndless Polarisation Control For Heterodyne/Homodyne Receivers
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A new endless polarisation control system is presented which transforms any incident state of polarisation (SOP) into any desired one. It features five SOP control devices of two different types only, which should facilitate an integrated-optic realization. A scheme is shown how the control devices can be set away from their range limits without disturbing the overall SOP transformation. A microprocessor-based system with an all-fibre polarisation controller has been realized to confirm the theory. A simple version consisting of four SOP control devices can transform a given SOP into any desired one or vice-versa.