[1] Liu X M, Han D D, Sun Z P, et al. Versatile multi-wavelength ultrafast fiber laser mode-locked by carbon nanotubes[J]. Scientific Reports, 2013, 3: 2718.

[2] 令维军, 夏涛, 董忠, 等. 基于单壁碳纳米管调Q锁模低阈值Tm, Ho∶LiLuF4激光器[J]. 物理学报, 2018, 67(1): 014201.

    Ling W J, Xia T, Dong Z, et al. Passively Q-switched mode-locked low threshold Tm, Ho∶LLF laser with an single walled carbon nanotubes saturable absorber[J]. Acta Physica Sinica, 2018, 67(1): 014201.

[3] Sorokin E, Sorokina I T, Mandon J, et al. Sensitive multiplex spectroscopy in the molecular fingerprint 2.4 μm region with a Cr 2+∶ZnSe femtosecond laser[J]. Optics Express, 2007, 15(25): 16540-16545.

[4] Duan X M, Chen C, Ding Y, et al. Widely tunable middle infrared optical parametric oscillator pumped by the Q-switched Ho∶GdVO4 laser[J]. Chinese Physics Letters, 2018, 35(5): 054205.

[5] Ling W, Xia T, Li K, et al. Dual-wavelength Tm, Ho∶LLF laser operating at 1895 and 1950 nm[J]. Proceedings of SPIE, 2018, 10964: 109642E.

[6] Peng W J, Yan F P, Li Q, et al. 1.94 μm switchable dual-wavelength Tm 3+ fiber laser employing high-birefringence fiber Bragg grating[J]. Applied Optics, 2013, 52(19): 4601-4607.

[7] Liu J J, Zhang C, Zhang Z, et al. 1886-nm mode-locked and wavelength tunable Tm-doped CaF2 lasers[J]. Optics Letters, 2019, 44(1): 134-137.

[8] Kong L C, Xie G Q, Yuan P, et al. Passive Q-switching and Q-switched mode-locking operations of 2 μm Tm∶CLNGG laser with MoS2 saturable absorber mirror[J]. Photonics Research, 2015, 3(2): A47-A50.

[9] Loiko P A, Serres J M, Mateos X, et al. Passive Q-switching of Yb bulk lasers by a graphene saturable absorber[J]. Applied Physics B, 2016, 122: 105.

[10] Wang Y C, Chen W D, Mero M, et al. Sub-100 fs Tm∶MgWO4 laser at 2017 nm mode locked by a graphene saturable absorber[J]. Optics Letters, 2017, 42(16): 3076-3079.

[11] Wan H L, Cai W, Wang F, et al. High-quality monolayer graphene for bulk laser mode-locking near 2 μm[J]. Optical and Quantum Electronics, 2016, 48: 11.

[12] Zou X, Leng Y X, Li Y Y, et al. Passively Q-switched mode-locked Tm∶LLF laser with a MoS2 saturable absorber[J]. Chinese Optics Letters, 2015, 13(8): 081405.

[13] Wan H L, Cai W, Wang F, et al. High-quality monolayer graphene for bulk laser mode-locking near 2 μm[J]. Optical and Quantum Electronics, 2016, 48(1): 11.

[14] 令维军, 孙锐, 陈晨, 等. 基于反射式MoS2可饱和吸收体调Q锁模Tm∶LuAG激光器[J]. 中国激光, 2019, 46(8): 0808002.

    Ling W J, Sun R, Chen C, et al. Passively Q-switched mode-locked Tm∶LuAG laser with reflective MoS2 saturable absorber[J]. Chinese Journal of Lasers, 2019, 46(8): 0808002.

[15] Liu J, Wang Y G, Qu Z S, et al. 2 μm passive Q-switched mode-locked Tm 3+∶YAP laser with single-walled carbon nanotube absorber[J]. Optics & Laser Technology, 2012, 44(4): 960-962.

[16] Martinez A, Fuse K, Xu B, et al. Optical deposition of graphene and carbon nanotubes in a fiber ferrule for passive mode-locked lasing[J]. Optics Express, 2010, 18(22): 23054-23061.

[17] Cho W B, Schmidt A, Yim J H, et al. Passive mode-locking of a Tm-doped bulk laser near 2 μm using a carbon nanotube saturable absorber[J]. Optics Express, 2009, 17(13): 11007-11012.

[18] Qu Z S, Wang Y G, Liu J, et al. Passively mode-locked 2-μm Tm∶YAP laser with a double-wall carbon nanotube absorber[J]. Chinese Physics B, 2012, 21(6): 064211.

[19] 令维军, 夏涛, 董忠, 等. 基于双壁碳纳米管低阈值1895 nm锁模激光器[J]. 光学学报, 2018, 38(6): 0614001.

    Ling W J, Xia T, Dong Z, et al. Low threshold 1895 nm mode-locked laser based on double wall carbon nanotubes[J]. Acta Optica Sinica, 2018, 38(6): 0614001.

[20] Wu C T, Ju Y L, Li Y F, et al. Diode-pumped Tm∶LuAG laser at room temperature[J]. Chinese Optics Letters, 2008, 6(6): 415-416.

[21] Wu C T, Ju Y L, Wang Q, et al. Room temperature operation of single frequency Tm∶LuAG laser end-pumped by laser-diode[J]. Laser Physics Letters, 2009, 6(10): 707-710.

[22] Chen F, Wu C T, Ju Y L, et al. Diode-pumped Q-switched Tm∶LuAG ring laser operation at room temperature[J]. Laser Physics, 2012, 22(2): 371-374.

[23] Feng T L, Yang K J, Zhao S Z, et al. Efficient CW dual-wavelength and passively Q-switched Tm∶LuAG lasers[J]. IEEE Photonics Technology Letters, 2015, 27(1): 7-10.

[24] Feng T, Yang K, Zhao J, et al. 1.21 W passively mode-locked Tm∶LuAG laser[J]. Optics Express, 2015, 23(9): 11819-11825.

[25] 令维军, 郑加安, 贾玉磊, 等. 低阈值飞秒钛宝石激光器的理论研究[J]. 物理学报, 2005, 54(4): 1619-1623.

    Ling W J, Zheng J A, Jia Y L, et al. Theoretical study of the Ti∶sapphire laser with low pump threshold[J]. Acta Physica Sinica, 2005, 54(4): 1619-1623.

[26] 孙锐, 陈晨, 令维军, 等. 基于氧化石墨烯的瓦级调Q锁模Tm∶LuAG激光器[J]. 物理学报, 2019, 68(10): 104207.

    Sun R, Chen C, Ling W J, et al. Watt-level passively Q-switched mode-locked Tm∶LuAG laser with graphene oxide saturable absorber[J]. Acta Physica Sinica, 2019, 68(10): 104207.