[1] Diebold A, Emaury F, Schriber C. et al. SESAM mode-locked Yb∶CaGdAlO4 thin disk laser with 62 fs pulse generation[J]. Optics Letters, 38, 3842-3845(2013). http://www.opticsinfobase.org/abstract.cfm?URI=ol-38-19-3842

[2] Okhotnikov O G, Jouhti T, Konttinen J et al. 1.5-μm monolithic GaInNAs semiconductor saturable-absorber mode locking of an erbium fiber laser[J]. Optics Letters, 28, 364-366(2003). http://www.opticsinfobase.org/ol/abstract.cfm?id=71285

[3] Gong M, Yu H, Wushouer X et al. Passively mode-locked Nd∶YVO4 picosecond laser with oblique incidence on SESAM[J]. Laser Physics Letters, 5, 514-517(2008). http://onlinelibrary.wiley.com/doi/10.1002/lapl.200810025/full

[4] Fluck R, Braun. B. Gini E, et al. Passively Q-switched 1.34-μm Nd∶YVO4 microchip laser with semiconductor saturable-absorber mirrors[J]. Optics Letters, 22, 991-993(1997).

[5] Yamashita S, Inoue Y, Maruyama S et al. Saturable absorbers incorporating carbon nanotubes directly synthesized onto substrates and fibers and their application to mode-locked fiber lasers[J]. Optics Letters, 29, 1581-1583(2004). http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=VIRT05000003000008000012000001&idtype=cvips&gifs=Yes

[6] Li X, Xu J, Wu Y et al. Large energy laser pulses with high repetition rate by graphene Q-switched solid-state laser[J]. Optics Express, 19, 9950-9955(2011).

[7] Bonaccorso F, Sun Z. Solution processing of graphene, topological insulators and other 2D crystals for ultrafast photonics[J]. Optical Materials Express, 4, 63-78(2013). http://www.opticsinfobase.org/oe/abstract.cfm?uri=ome-4-1-63

[8] Chen Y, Jiang G, Chen S et al. Mechanically exfoliated black phosphorus as anew saturable absorber for both Q-switching and mode-locking laser operation[J]. Optics Express, 23, 12823-12833(2015).

[9] Zhang H, He J, Wang Z et al. Dual-wavelength, passively Q-switched Tm∶YAP laser with black phosphorus saturable absorber[J]. Optical Materials Express, 6, 2328-2335(2016).

[10] Luo Z, Huang Y, Weng J et al. 1.06 μm Q-switched ytterbium-doped fiber laser using few-layer topological insulator Bi2Se3 as a saturable absorber[J]. Optics Express, 21, 29516-29522(2013).

[11] Xu J L, Sun Y J, He J L et al. Ultrasensitive nonlinear absorption response of large-size topological insulator and application in low-threshold bulk pulsed lasers[J]. Scientific Report, 5, 14856(2015). http://programme.exordo.com/ogc2015/delegates/presentation/139/

[12] Luo Z, Huang Y, Zhong M et al. 1-, 1.5-, and 2-μm fiber lasers Q-switched by a broadband few-layer MoS2 saturable absorber[J]. Journal of Lightwave Technology, 32, 4077-4084(2014).

[13] Chen B, Zhang X, Wu K et al. Q-switched fiber laser based on transition metal dichalcogenides MoS2, MoSe2, WS2, and WSe2[J]. Optics Express, 23, 26723-26737(2015). http://europepmc.org/abstract/MED/26480185

[14] Wang X, Xu J, You Z et al. Tri-wavelength passively Q-switched Yb 3+∶GdAl3(BO3)4 solid-state laser based on WS2 saturable absorber [J]. Optical Materials, 62, 621-625(2016).

[15] Wang K, Wang J, Fan J et al. Ultrafast saturable absorption of two-dimensional MoS2 nanosheets[J]. ACS Nano, 7, 9260-9267(2013). http://pubs.acs.org/doi/abs/10.1021/nn403886t

[16] Liu H, Luo A P, Wang F Z et al. Femtosecond pulse erbium-doped fiber laser by a few-layer MoS2 saturable absorber[J]. Optics Letters, 39, 4591-4594(2014). http://www.ncbi.nlm.nih.gov/pubmed/25078236

[17] Sun Y, Xu J, Gao S et al. Wavelength-tunable, passively Q-switched Yb 3+∶Ca3Y2(BO3)4 solid state laser using MoS2 saturable absorber [J]. Materials Letters, 160, 268-270(2015).

[18] Godard A. Infrared (2-12 μm) solid-state laser sources: a review[J]. Comptes Rendus Physique, 8, 1100-1128(2007). http://www.sciencedirect.com/science/article/pii/S1631070507002368

[19] Scholle K, Lamrini S, Koopmann P et al. 2 μm laser sources and their possible applications[M]. ∥Frontiers in Guided Wave Optics and Optoelectronics B. Pal: InTech, 471-500(2010).

[20] Kintz G J, Esterowitz L, Allen R. CW diode-pumped Tm 3+, Ho 3+∶YAG 2.1 μm room-temperature laser [J]. IEEE Electronic Letters, 23, 616-617(1987).

[21] Liu X, Wang X, Wang L et al. Realization of 2 μm laser output in Tm 3+-doped lead silicate double cladding fiber [J]. Materials Letters, 125, 12-14(2014).

[22] Li L, Ju Y L, Dai T Y et al. L-shaped single-longitudinal-mode Tm, Ho∶YAG lasers based on twisted mode cavity[J]. Laser & Optoelectronics Progress, 54, 081408(2017).

[23] Liu X, Cheng Y, Wan Q et al. High temperature laser diode pumped all-solid-state laser[J]. Chinese Journal of Lasers, 43, 0701003(2016).

[24] Lan J, Zhang X, Zhou Z et al. Passively Q-switched Tm∶CaYAlO4 laser using a MoS2 saturable absorber[J]. IEEE Photonics Technology Letters, 29, 515-518(2017).

[25] Ling W J, Xia T, Dong Z et al. WS2 saturable absorber for passively Q-switched Tm, Ho∶YLF lasers[J]. Chinese Journal of Lasers, 44, 0703020(2017).