Journal
OPTICS EXPRESS
Volume 27, Issue 16, Pages 22226-22236Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.27.022226
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- Knut och Alice Wallenbergs Stiftelse
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Master-slave carrier recovery is a digital signal processing technique that uses correlated phase noise in multi-channel receivers to eliminate redundant carrier recovery blocks. In this paper we experimentally investigate the performance of master-slave carrier recovery for multicore fiber transmission in the presence of inter-channel nonlinear interference. Using a triple parallel loop setup we jointly receive three spatial channels in a 7-core fiber for transmission distances of up to 1600 km. We find that an increased launch power causes a moderate penalty on the slave channels. Furthermore, we study the penalty from a non-zero inter-core skew. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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