TY - Chin. Phys. Lett. A1 - Qianju Song, Shiwei Dai, Dezhuan Han, Z. Q. Zhang, C. T. Chan, and Jian Zi T1 - PT Symmetry Induced Rings of Lasing Threshold Modes Embedded with Discrete Bound States in the Continuum Y1 - 2021-07-13 JF - Chinese Physics Letters JO - Chin. Phys. Lett. SP - 084203EP - 084203 VL - 38 IS - 8 UR - https://cpl.iphy.ac.cn N1 - 10.1088/0256-307X/38/8/084203 ER -