[1] [1] Y E Hou, Y X Fan, J L He, et al.. High-efficiency continuous-wave and Q-switched diode-end-pumped multi-wavelength Nd:YAG lasers[J]. Opt Commun, 2006, 265(1): 301-305.

[2] [2] J L He, J Du, J Sun, et al.. High efficiency single and dual-wavelength Nd:GdVO4 lasers pumped by a fiber-coupled diode[J]. Appl Phys B, 2004, 79(3): 301-304.

[3] [3] Lan Ruijun. Research of LD-Pumped Nd:YAG Transparement Ceramic All-Solid-State Lasers[D]. Shandong: Shandong University, 2010. 4-22.

[4] [4] W J Cao, H Y Wang, A P Luo, et al.. Graphene-based, 50 nm wide-band tunable passively Q-switched fiber laser[J]. Laser Phys Lett, 2012, 9(1): 54-58.

[5] [5] Z Sun, T Hasan, F Torrisi, et al.. Graphene mode-locked ultrafast laser [J]. ACS Nano, 2010, 4(2): 803-810.

[6] [6] E Ugolotti, A Schmidt, V Petrov, et al.. Graphene mode-locked femtosecond YbKLuW laser[J]. Appl Phys Lett, 2012, 101(16): 161112.

[7] [7] Zhang Cheng, Luo Zhengqian, Wang Jinzhang, et al.. Dual-wavelength mode-locked Yb-doped fiber laser based on the interraction of graphene and fiber-taper evanescent field[J]. Chinese J Lasers, 2012, 39(6): 0602006.

[8] [8] Wang Xiaolong, Sang Mei, Zhu Pan, et al.. Passively Q-switched pulse fiber laser based on graphene saturable absorber[J]. Chinese J Lasers, 2013, 40(6): 0602015.

[9] [9] Geim A K, Novoselov K S. The rise of graphene[J]. Nature Materials, 2007, 6(3): 183-191.

[10] [10] Xu Yanfei, Liu Zhibo, Zhang Xiaoliang, et al.. A graphene hybrid material covalently functionalized with porphyrin: synthesis and optical limiting property[J]. Advanced Materials, 2009, 21(12): 1275-1279.

[11] [11] Henderson G A. A computational model of a dual-wavelength solid-state laser[J]. Appl Phys, 1990, 68(11): 5451-5455.

[12] [12] Lin Wenxiong, Shen Hongyuan. A new configuration of the laser cavity for simultaneous dual wavelength Q-switch pulsed Nd:YAlO3 laser[J]. Acta Physica Sinica, 1999, 48(4): 667-672.

[13] [13] Y F Chen. CW dual-wavelength operation of a diode-end-pumped Nd:YVO4 laser[J]. Appl Phys B, 2000, 70(4): 475-478.

[14] [14] Wang Jiaxian, Zhang Juncheng, Su Peilin. Investigation on a compound resonator Nd:YVO4 laser with dual-wavelength output and intracavity sum-frequency mixing[J]. High power laser and partical beams, 2008, 20(12): 1954-1958.

[15] [15] Zhou Kaige. Rational Design and Characterization of Organic Unimolecular Devices and Novel Two-Dimesional Nanomaterials[D]. Lanzhou: Lanzhou University, 2012.