Liu Hang, Yu Yong-Ji, Wang Yu-Heng, Liu He-Yan, Li Lu-Jie, Jin Guang-Yong. Energy conversion of multi-optical parametric oscillation based on time-dependent split-step integration methods in MgO:APLNJ. Acta Physica Sinica, 2019, 68(24): 244202. DOI: 10.7498/aps.68.20190843