1.   Chen Li, Guizhong Wang, Tongxiao Jiang, Aimin Wang, and Zhigang Zhang, “750 MHz fundamental repetition rate femtosecond Yb:fiber ring laser,” Opt. Lett. 38, 314-316 (2013).

           2.  Tongxiao Jiang, Guizhong Wang, Wei Zhang, Chen Li, Aimin Wang, and Zhigang Zhang, “Octave-spanning spectrum generation in tapered silica photonic crystal fiber by above 500 MHz Yb:fiber ring laser,” Opt. Lett. 38. 443-445 (2013).

           3.  Guizhong Wang, Tongxiao Jiang, Chen Li, Hongyu Yang, Aimin Wang,and Zhigang Zhang, “Octave-spanning spectrum of femtosecond Yb:fiber ring laser at 528 MHz repetition rate in microstructured tellurite fiber,” Opt. Express, 21, 4703 (2013).

           4.   Jiutao Wu, Dong Hou, Zhengyu Qin, Xiaoliang Dai, Zhigang Zhang and Jianye Zhao, “Erbium fiber laser-based direct frequency comb spectroscopy of Rb two-photon transitions,” Opt. Lett. 38, 5028-5031(2013).

           5.   Gengji Zhou, Hongyu Yang, Tongxiao Jiang, Aimin Wang and Zhigang Zhang, “A two-stage chirped pulse fiber amplifier system for LASIK,” Laser Phys. 23, 045101(2013).