[1] [1] U Keller. Recent developments in compact ultrafast lasers［J］. Nature, 2003, 424(6950): 831-838.

[2] [2] K Schutze, H Posl, G Lahr. Laser micromanipulation systems as universal tools in cellular and molecular biology and in medicine[J]. Cell Mol Biol, 1998, 44(5): 735-746.

[3] [3] C Honninger, G Zhang, U Keller, et al.. Femtosecond Yb:YAG laser using semiconductor saturable absorbers［J］. Opt Lett, 1995, 20(23): 2402-2405.

[4] [4] Chen Meng, Zhang Bingyuan, Li Gang, et al.. Study on SESAM passively-mode-locked NdYAG laser［J］.Chinese J lasers, 2004, 31(6): 646-648.

[5] [5] A Garcia-Cortes, J M Cano-Torres, M D Serrano, et al.. Spectroscopy and lasing of Yb-doped NaY(WO4) 2: tunable and femtosecond mode-locked laser operation［J］. IEEE J Quantum Electron, 2007, 43(9): 758-764.

[6] [6] Z P Sun, T Hasan, T Felice, et al.. Graphene mode-locked ultrafast laser［J］. Acs Nano, 2010, 4(2): 803-810.

[7] [7] He Jingliang, Hao Xiaopeng, Xu Jinlong, et al.. Ultrafast mode-locked solid-state lasers with graphene saturable absorber［J］. Acta Optica Sinica, 2011, 31(9): 0900138.

[8] [8] Wang Yonggang, Qu Zunshi, Liu Jie, et al.. High power picosecond laser mode locked with carbon based absorbers［J］. Chinese J Lasers, 2012, 39(7): 0702001.

[9] [9] M Breusing, C Ropers, T Elsaesser. Ultrafast carrier dynamics in graphite［J］. Phys Rev Lett, 2009, 102(8): 086809.

[10] [10] W Lu, L Yan, C R Menyuk. Dispersion effects in an actively mode-locked inhomogeheously broadened laser［J］. IEEE J Quantum Electron, 2002, 38(10): 1317-1324.

[11] [11] Cao Yile, Yu Li, Yang Bojun. Effects of dispersion and self-phase modulation on pulses in solid-state laser［J］. Laser Technology, 2005, 29(3): 248-250.

[12] [12] H A Haus. Theory of mode-locking with a fast saturable absorber［J］. J Appl Phys, 1975, 46(7): 3049-3058.

[13] [13] F X Kartner, I D Jung, U Keller. Soliton mode-locking with saturable absorber［J］. IEEE J Select Topics Quantum Electron, 1996, 2(3): 540-556.