Chinese Physics B
Fifth-order phase-sensitive detection of ultrafast polarization beats in cascade four-level system
Nie Zhi-Qiang, Li Pei-Zhe, Yu Xiao-Jun, Zhang Yan-Peng, Tong Jiang, Ling Li, Gan Chen-Li, Zuo Cui-Cui, Zhang Peng-Fei, Jianping Song, Keqing Lu