Abstract

We describe a polarimetric coherence multiplexed system that uses a source with a short coherence length to reduce the effect of cross talk and of phase-induced intensity noise. The system is constructed with sections of high-birefringence optical fibers, which allow the differential path lengths to be matched within micrometer accuracy. A minimum detectable phase sensitivity of 3 μrad/Hz has been demonstrated.

© 1990 Optical Society of America

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