Parallel generation of 31 tripartite entangled states based on optical frequency combs*

Project supported by the National Natural Science Foundation of China (Grant Nos. 11504218, 11634008, 11674203, 11574187, 61108003, and 61227902), and the National Key Research and Development Program of China (Grant No. 2016YFA0301404).

Zhang Jing1, 2, 3, †, Wang Yan-Fang1, 2, Liu Xiao-Yu1, 2, Yang Rong-Guo1, 2, 3
       

The amplitude and phase quadrature variances versus analysis frequency for three modes. Panels (a), (b), (c) are corresponding to the quadrature variances of modes â1, â3, â5, respectively, and panels (d), (e), (f) show the details of the zero-order comb line.