Yao Shu-Chang, Fu Song-Nian, Zhang Min-Ming, Tang Ming, Shen Ping, Liu De-Ming. Demodulation and multi-input multi-output equalization for mode division multiplexing system using a novel few-mode fiberJ. Acta Physica Sinica, 2013, 62(14): 144215. DOI: 10.7498/aps.62.144215