DocumentCode
160971
Title
Bayesian filtering for phase noise characterization and carrier synchronization of up to 192 Gb/s PDM 64-QAM
Author
Zibar, D. ; Carvalho, Luis ; Piels, Molly ; Doberstein, Andy ; Diniz, Julio ; Nebendahl, Bernd ; Franciscangelis, Carolina ; Estaran, Jose ; Haisch, Hansjoerg ; Gonzalez, Neil ; de Oliveira, J.R.F. ; Monroy, I.T.
Author_Institution
DTU Fotonik, Tech. Univ. of Denmark, Lyngby, Denmark
fYear
2014
fDate
21-25 Sept. 2014
Firstpage
1
Lastpage
3
Abstract
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.
Keywords
Bayes methods; expectation-maximisation algorithm; filtering theory; optical communication; optical modulation; phase noise; quadrature amplitude modulation; Bayesian filtering; PDM 64-QAM; bit rate 192 Gbit/s; carrier synchronization; coherent optical communication systems; expectation maximization; phase noise characterization; phase noise estimation; spectral efficiency; Bayes methods; Estimation; Filtering; Laser noise; Optical noise; Phase noise; Signal to noise ratio;
fLanguage
English
Publisher
ieee
Conference_Titel
Optical Communication (ECOC), 2014 European Conference on
Conference_Location
Cannes
Type
conf
DOI
10.1109/ECOC.2014.6963844
Filename
6963844
Link To Document