Zhang Teng-Fei, Yang Jing, Hou Yan-Xue, Wang Wei-Wei, Zhao Wei, Zhang Jing-Yuan, Cui Da-Fu, Peng Qin-Jun, Xu Zu-Yan. Sensitive detection of ultra-weak infrared image using parametric frequency up-conversion and amplificationJ. Acta Physica Sinica, 2016, 65(1): 014209. DOI: 10.7498/aps.65.014209