Yao Xiao-Jie, Tang Xi, Wu Zheng-Mao, Xia Guang-Qiong. Multi-channel physical random number generation based on two orthogonally mutually coupled 1550 nm vertical-cavity surface-emitting lasersJ. Acta Physica Sinica, 2018, 67(2): 024204. DOI: 10.7498/aps.67.20171902