by Wang, Fu-Zao, Liu, Hao, Huang, Yu-Qi, Liu, Meng, Luo, Ai-Ping, Luo, Zhi-Chao, Xu, Wen-Cheng
Published in Optics express (19.10.2015)

by Liu, Hao, Luo, Ai-Ping, Wang, Fu-Zao, Tang, Rui, Liu, Meng, Luo, Zhi-Chao, Xu, Wen-Cheng, Zhao, Chu-Jun, Zhang, Han
Published in Optics letters (01.08.2014)