Chen Xin, Huo Li, Lou Cai-Yun, Wang Qiang, Yu Wen-Ke, Jiang Xiang-Yu, Zhao Zhi-Xi, Zhang En-Yao. A study of 100 Gb/s 2R regeneration for return-to-zero code signalJ. Acta Physica Sinica, 2016, 65(5): 054208. DOI: 10.7498/aps.65.054208