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Enhanced Three-Core Three-Mode Optical Transmission System Based on Probabilistic Shaping with Low Complexity MIMO Equalization Algorithm

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journal contribution
posted on 2021-07-22, 07:31 authored by S Qu, Bo LiuBo Liu, Y Mao, J Ren, X Xu, X Wu, L Jiang, L Zhang
A novel few-mode multi-core (FMMC) optical fiber transmission system based on probabilistic shaping (PS) with low complexity multiple-input multiple-output (MIMO) equalization method is proposed and demonstrated in this paper. Compared with the traditional FMMC counterpart, the total bit error rate (BER) is reduced by 3 times after 50km fiber transmission with the optical signal-to-noise ratio (OSNR) in the range of 12 to 20 dB. At a bit error rate of forward error correction (FEC) limit, the optical transmission system proposed in this paper outperforms the traditional one by at least 3dB OSNR improvement. When the OSNR is 20 dB and the BER is lower than the FEC limit, the transmission distance is doubled.


This work was supported in part by the National Key Research and Development Program of China under Grant 2018YFB1800901, in part by the National Natural Science Foundation of China under Grant 61835005, Grant 61822507, Grant 61522501, Grant 61475024, Grant 61675004, Grant 61705107, Grant 61727817, Grant 61775098, Grant 61720106015, and Grant 61875248, in part by the Beijing Young Talent under Grant 2016000026833ZK15, in part by the Postgraduate Research and Practice Innovation Program of Jiangsu Province under Grant SJKY19_0972, in part by the Open Fund of State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, in part by the Jiangsu Talent of Innovation and Entrepreneurship, and in part by the Jiangsu Team of Innovation and Entrepreneurship.


Publication Date



IEEE Access




p.11 (p. 106136-106146)


IEEE (Institute of Electrical and Electronics Engineers)



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