TY - GEN AU - Lei,Mingwei AU - Wu,Chengyin AU - Zhang,An AU - Gong,Qihuang AU - Jiang,Hongbing TI - Population inversion in the rotational levels of the superradiant N SN - 1094-4087 PY - 2018///0205 N1 - Publication Type: Journal Article UR - https://doi.org/10.1364/OE.25.004535 ER -