[1] [1] Bai Yangbo, Xiang Wanghua, Zu Peng, et al. Tunable two wavelengths linear-cacity Yb-doped fiber laser based on volume grating[J]. Chinese Journal of Lasers, 2011, 38(11): 1102004(1-8). (in Chinese)

[2] [2] Xu Pan, Hu Zhengliang, Ma Lina, et al. Output power stability of dual-wavelength Erbium-doped fiber ring laser[J]. Chinese Journal of Lasers, 2009, 36(6): 1347-1351. (in Chinese)

[3] [3] Loas G, Romanelli M, Alouini M. Dual-frequency 780 nm Ti:Sa laser for high spectral purity tunable CW THz generation [J]. IEEE Photonic Tech L, 2014, 26(15): 1518-1521.

[4] [4] Chen Changshui, Pan Tao, Zhang Yishi, et al. Dual wavelength and dual pulse Q-switched frequency doubling of tunable Cr:LiSAF laser[J]. Chinese Journal of Lasers, 2009,36 (7): 1819-1821. (in Chinese)

[5] [5] Vainio M, Halonen L. Stable operation of a CW optical parametric oscillator near the signal-idler degeneracy [J]. Opt Lett, 2011, 36(4): 475-477.

[6] [6] Ji F, Lu R, Li B, et al. High-average-power, high-repetition-rate dual signal optical parametric oscillator based on PPMgLN [J]. Chin Opt Lett, 2010, 8(5): 505-507.

[7] [7] Wang Zhengping, Hu Dawei, Zhang Huaijin, et al. External resonator BaWO4 crystal Raman laser[J]. Infrared and Laser Engineering, 2009, 38(4): 683-686. (in Chinese)

[8] [8] Shen H, Wang Q, Zhang X, et al. Simultaneous dual-wavelength operation of Nd:YVO4 self-Raman laser at 1 524 nm and undoped GdVO4 Raman laser at 1522 nm [J].Opt Lett, 2012, 37(19): 4113-4115.

[9] [9] Luo Jianqiao. Growth and properties of new type of anti radiation crystal Nd:GYSGG and study on the conversion of Er, Er:GSGG and Yb:GSGG[D]. Hefei: Anhui Institute of Optical Precision Machinery, Chinese Academy of Sciences, 2009. (in Chinese)

[10] [10] Gao J, Zhang Q, Sun D, et al. Energy levels fitting and crystal-field calculations of Nd3+ doped in GYSGG crystal [J]. Opt Comm, 2012, 285(21-22): 4420-4426.

[11] [11] Zhong K, Yao J, Sun C, et al. Efficient diode-end-pumped dual-wavelength Nd, Gd:YSGG laser [J]. Opt Lett, 2011, 36(19): 3813-3815.

[12] [12] Zhong K, Sun C L, Yao J Q, et al. Continuous-wave Nd: GYSGG laser around 1.3 μm [J]. Laser Physics Letters, 2012, 9(7): 491-495.

[13] [13] Zhong K, Sun C, Yao J, et al. Efficient continuous-wave 1053-nm Nd:GYSGG laser with passively Q-switched dual-wavelength operation for terahertz generation [J]. IEEE J Quantum Elect, 2012, 9(7): 491-495.

[14] [14] Cui Li, Hu Wenghua, Zhang Hengli, et al. Experimental study of 880 nm laser-diode end-pumped Nd:GdVO4 laser with hybrid resonator at 1.34 μm[J]. Infrared and Laser Engineering, 2014, 43(8): 2404-2406. (in Chinese)

[15] [15] Ding X, Fan C, Sheng Q, et al. 5.2-W high-repetition-rate eye-safe laser at 1525 nm generated by Nd:YVO4-YVO4 stimulated Raman conversion[J]. Opt Express, 2014, 22(23): 29121-29126.