Abstract
An optical homodyne PSK detection scheme based on the photorefractive effect in BaTiO/sub 3/ has been investigated. The system uses polarization locking to implement a polarization insensitive receiver using all optical processing and only one detector. A theoretical analysis of the detection process is presented and verified experimentally. The system is shown to have a sensitivity of -52 dBm with S/N=2. The rate at which the system responds to changes in the incoming signal state of polarization is also investigated. >
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