Improved linewidth tolerant carrier phase recovery based on polar MAP metric estimate

Authors :: Seb J. Savory
Marti Sales
Md. Saifuddin Faruk
Source :: OFC
Publication Year :: 2018
Publisher :: OSA, 2018.
Abstract: A new metric that analytically approximates the maximum a posteriori (MAP) solution is presented. Used with a decision-directed carrier phase estimation algorithm, the linewidth tolerance exceeds the limits achieved when using the conventional Euclidean distance.

Subjects :: Signal processing
Mathematical optimization
02 engineering and technology
01 natural sciences
010309 optics
Euclidean distance
Carrier phase recovery
Laser linewidth
020210 optoelectronics & photonics
0103 physical sciences
Phase noise
Metric (mathematics)
0202 electrical engineering, electronic engineering, information engineering
Maximum a posteriori estimation
Polar
Algorithm
Mathematics

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