[1] Chunting WU, Aolei CHANG, Ya WEN et al. Research progress of Nd3+-doped dual-wavelength all-solid-state laser. Chinese Journal of Luminescence, 41, 414-428(2020).

[2] Bo WU, Peipei JIANG, Dingzhong YANG et al. Compact dual-wavelength Nd∶GdVO4 laser working at 1 063 and 1 065 nm. Optics Express, 17, 6004-6009(2009).

[3] Mengying XIA, Miao HU, Huimin ZHOU et al. Exprimental research on power-balanced Nd∶YVO4/Nd∶GdVO4 dual-wavelength laser. Acta Photonica Sinica, 49, 0414003(2020).

[4] Zhiyu ZUO, Shibo DAI, Siqi ZHU et al. Power scaling of an actively Q-switched orthogonally polarized dual-wavelength Nd∶YLF laser at 1 047 and 1 053 nm. Optics Letters, 43, 4578-4581(2018).

[5] Zhihua TU, Shibo DAI, Siqi ZHU et al. Efficient high-power orthogonally-polarized dual-wavelength Nd∶YLF laser at 1 314 and 1 321 nm. Optics Express, 27, 32949-32957(2019).

[6] M NADIMI, A MAJOR. Continuous-wave dual-wavelength operation of a diode-pumped Nd∶GdVO4 laser at the 1063 & 1 071 nm, 1 063 & 1 083 nm and 1 083 & 1 086 nm wavelength pairs. Laser Physics, 28, 1-6(2018).

[7] K HONG, Y LU, M WEI et al. Dual-wavelength pulsed dynamics in Nd∶GdVO4 laser with Cr4+∶YAG saturable absorber: roles of pump rate and spot size. Journal of the Optical Society of America B-Optical Physics, 34, 1740-1746(2017).

[8] Pu ZHAO, S RAGAM, Yujie DING et al. Power scalability and frequency agility of compact terahertz source based on frequency mixing from solid-state lasers. Applied Physics Letters, 98, 131106(2011).

[9] Pu ZHAO, S RAGAM, Yujie DING et al. Investigation of terahertz generation from passively Q-switched dual-frequency laser pulses. Optics Letters, 36, 4818-4820(2011).

[10] Mengting CHEN, Shibo DAI, Zhihua TU et al. Frequency expansion of efficient passively Q-switched orthogonally-polarized dual-wavelength laser. Optics and Laser Technology, 122, 105846(2020).

[11] Yizhi KE, Miao HU, Mengmeng XU et al. A tunable synchronous pulsed dual-wavelength laser based on the Nd∶YVO4/Nd∶GdVO4 combined crystals pair. IEEE Photonics Journal, 13, 1501207(2021).

[12] A BRENIER, Chaoyang TU, Zhaojie ZHU et al. Dual-polarization and dual-wavelength diode-pumped laser operation from a birefringent Yb3+-doped GdAl3(BO3)4 nonlinear crystal. Applied Physics B Lasers & Optics, 89, 323-328(2007).

[13] Zhengping WANG, Hong LIU, Jiyang WANG et al. Passively Q-switched dual-wavelength laser output of LD-end-pumped ceramic Nd∶YAG laser. Optics Express, 17, 12076-12081(2009).

[14] K HONG, M WEI. Simultaneous dual-wavelength pulses achieved by mixing spiking and passive Q-switching in a pulsed Nd∶GdVO4 laser with a Cr4+∶YAG saturable absorber. Optics Letters, 41, 2153-2156(2016).

[15] Y F CHEN, Y P LAN, H L CHANG. Analytical model for design criteria of passively Q-switched lasers. IEEE Journal of Quantum Electronics, 37, 462-468(2001).

[16] P H TUAN, C C CHANG, F L CHANG et al. Modelling end-pumped passively Q-switched Nd-doped crystal lasers: manifestation by a Nd∶YVO4/Cr4+∶YAG system with a concave-convex resonator. Optics Express, 25, 1710-1722(2017).

[17] Jiaan ZHENG, Shengzhi ZHAO, Qingpu WANG et al. Influence of crystal thermal effect on optimal design of LD end-pumped solid-state laser. Acta Photonica Sinica, 30, 724-729(2001).

[18] Guiqiu LI, Shengzhi ZHAO, Kejian YANG et al. Characteristics of LD pumped Nd∶GdVO4 crystal Cr4+∶YAG passive Q-switched laser. Acta Photonica Sinica, 34, 810-813(2005).

[19] W KOECHNER. Solid-state laser engineering(2006).

[20] Xiaoke WAN, Lihuang LIN, Bin OUYANG et al. Excited state absorption saturation of Cr4+∶YAG and its passive Q-switch performance. Acta Optica Sinica, 17, 1567-1570(1997).

[22] Yuting ZHANG, Miao HU, Mengmeng XU et al. A power balanced dual-wavelength Nd∶GdVO4 laser with 0.6 THz frequency separation. IEEE Photonics Journal, 14, 1547206(2022).