A novel phase estimation method for coherent systems is presented and demonstrated.
It outperforms 5.5 times the phase noise and spectral width tolerance respect to the other methods.
CitationFabrega, J. M.; Prat, J. Digital phase estimation method based on Karhunen-Loève series expansion for Coherent Phase Diversity Detection. A: Optical Fiber Communication, collocated National Fiber Optic Engineers Conference. "National Fiber Optic Engineers Conference". San Diego, CA: 2010.
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