Three Benefits Brought by Perturbation Back-Propagation Algorithm in 224Gb/s DP-16QAM Transmission

Shoichiro ODA; Takahito TANIMURA; Takeshi HOSHIDA; Yuichi AKIYAMA; Hisao NAKASHIMA; Kyosuke SONE; Zhenning TAO; Jens C. RASMUSSEN

doi:10.1587/transcom.E97.B.1342

Joint Special Section on Opto-electronics and Communications for Future Optical Network

Three Benefits Brought by Perturbation Back-Propagation Algorithm in 224Gb/s DP-16QAM Transmission

Shoichiro ODA, Takahito TANIMURA, Takeshi HOSHIDA, Yuichi AKIYAMA, Hisao NAKASHIMA, Kyosuke SONE, Zhenning TAO, Jens C. RASMUSSEN

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Keywords: nonlinearity compensation algorithm, digital signal processing, forward error correction, cycle slip

JOURNAL RESTRICTED ACCESS

2014 Volume E97.B Issue 7 Pages 1342-1349

DOI https://doi.org/10.1587/transcom.E97.B.1342

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Abstract

Nonlinearity compensation algorithm and soft-decision forward error correction (FEC) are considered as key technologies for future high-capacity and long-haul optical transmission system. In this report, we experimentally demonstrate the following three benefits brought by low complexity perturbation back-propagation nonlinear compensation algorithm in 224Gb/s DP-16QAM transmission over large-A_eff pure silica core fiber; (1) improvement of pre-FEC bit error ratio, (2) reshaping noise distribution to more Gaussian, and (3) reduction of cycle slip probability.

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