[TuB3] DSP for Multi-Core and Multi-Mode Transmission

2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[TuB3-3] A Learning-Based Digital Backpropagation Scheme for Nonlinearity Compensation in Multi-Core Fiber SDM Systems

○Hanyu Gao^1,2, Junwei Zhang¹, Haiqin Ye¹, Wei Sun³, Lin Wang³, Jie Guo³, Chao Lu^1,2,4, Zhaohui Li^1,2 (1. Guangdong Provincial Key Laboratory of Optoelectronic Information Processing Chips and Systems, School of Electronics and Information Technology, Sun Yat-sen University (China), 2. Southern Marine Science and Engineering Guangdong Laboratory (China), 3. Jiangsu Alpha Optic-Electric Technology Co., Ltd. (China), 4. Photonics Research Institute, Department of Electronic and Information Engineering, The Hong Kong Polytechnic University (China))

Keywords:

Digital signal processing algorithms for optical communications

A novel LDBP scheme is proposed for multi-core fiber space-division multiplexing systems. Compared with conventional DBP and LDBP schemes, the proposed scheme can achieve significant gains in SNR and/or Q-factor while maintaining manageable computational complexity.