Bayesian filtering for phase noise characterization and carrier synchronization of up to 192 Gb/s PDM 64-QAM

We show that phase noise estimation based on Bayesian filtering outperforms conventional time-domain approaches in the presence of moderate measurement noise. Additionally, carrier synchronization based on Bayesian filtering, in combination with expectation maximization, is demonstrated for the firs...

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Bibliographic Details
Published in2014 The European Conference on Optical Communication (ECOC) pp. 1 - 3
Main Authors Zibar, D., Carvalho, L., Piels, M., Doberstein, A., Diniz, J., Nebendahl, B., Franciscangelis, C., Estaran, J., Haisch, H., Gonzalez, N. G., de Oliveira, J. R. F., Monroy, I. T.
Format Conference Proceeding
LanguageEnglish
Published Systematic Paris Region Systems and ICT Cluster 01.09.2014
Subjects
Bayes methods
Estimation
Filtering
Laser noise
Optical noise
Phase noise
Signal to noise ratio
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Summary:We show that phase noise estimation based on Bayesian filtering outperforms conventional time-domain approaches in the presence of moderate measurement noise. Additionally, carrier synchronization based on Bayesian filtering, in combination with expectation maximization, is demonstrated for the first time experimentally.
ISSN:1550-381X
DOI:10.1109/ECOC.2014.6963844