Wang Chao, Hao Zhi-Biao, Wang Lei, Kang Jian-Bin, Xie Li-Li, Luo Yi, Wang Lai, Wang Jian, Xiong Bing, Sun Chang-Zheng, Han Yan-Jun, Li Hong-Tao, Wang Lu, Wang Wen-Xin, Chen Hong. Improvement on the efficiency of up-conversion infrared photodetectors using surface microstructureJ. Acta Physica Sinica, 2016, 65(10): 108501. DOI: 10.7498/aps.65.108501