KEYWORDS: Data communications, Polarization, Digital signal processing, Telecommunications, Receivers, Signal processing, Single mode fibers, Optical communications, Polarizers, Logic
A simple and effective polarization demultiplexing method is proposed based on the improved Stokes vector analysis and digital signal processor algorithm for the intensity-modulation direct-detection optical communication systems. Such a scheme could significantly simplify optical receivers with low system cost. The experimental results demonstrate the feasibility of our proposed method and show that only 1- and 1.7-dB power penalties are measured for 10- and 25-km transmissions compared to back-to-back case.
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