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Experimental analysis of nonlinear interference noise in heterogeneous flex-grid WDM transmission

 
: Schmidt-Langhorst, C.; Elschner, R.; Frey, F.; Emmerich, R.; Schubert, C.

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Institute of Electrical and Electronics Engineers -IEEE-:
41st European Conference on Optical Communication, ECOC 2015. Vol.1 : Valencia, Spain, 27 September - 1 October 2015
Piscataway, NJ: IEEE, 2015
ISBN: 978-1-4673-7950-2
ISBN: 978-8-4608-1741-3
S.243-245
European Conference and Exhibition on Optical Communication (ECOC) <41, 2015, Valencia>
Englisch
Konferenzbeitrag
Fraunhofer HHI ()

Abstract
We transmit a 28-GBd Nyquist PDM-16QAM channel with WDM-interferers (37.5-GHz grid) over 80-km SSMF spans. Interference noise analysis reveals substantial nonlinear phase noise for PDM-16QAM interferers compared to PDM-4QAM, while Q-penalty is kept small by appropriate CPE.

: http://publica.fraunhofer.de/dokumente/N-417770.html