[1] Keller U. Recent developments in compact ultrafast lasers[J]. Nature, 424, 831-838(2003).

[2] Fermann M E, Hartl I. Ultrafast fibre lasers[J]. Nature Photonics, 7, 868-874(2013).

[3] Fu W, Wright L G, Sidorenko P et al. Several new directions for ultrafast fiber lasers[J]. Optics Express, 26, 9432-9463(2018). http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-26-8-9432

[4] Zhao L M, Tang D Y. Generation of 15-nJ bunched noise-like pulses with 93 nm bandwidth in an erbium-doped fiber ring laser[J]. Applied Physics B, 83, 553-557(2006). http://link.springer.com/article/10.1007/s00340-006-2179-0

[5] Han X X. Nanotube-mode-locked fiber laser delivering dispersion-managed or dissipative solitons[J]. Journal of Lightwave Technology, 32, 1472-1476(2014).

[6] Chong A, Buckley J, Renninger W et al. All-normal-dispersion femtosecond fiber laser[J]. Optics Express, 14, 10095-10100(2006).

[7] Zhao L M, Tang D Y, Wu J. Gain-guided soliton in a positive group-dispersion fiber laser[J]. Optics Letters, 31, 1788-1790(2006).

[8] Chen S H, Yi L, Guo D S et al. Self-similar evolutions of parabolic, Hermite-Gaussian, and hybrid optical pulses: universality and diversity[J]. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics, 72, 016622(2005). http://www.ncbi.nlm.nih.gov/pubmed/16090122

[9] Du Y Q, Shu X W. Pulse dynamics in all-normal dispersion ultrafast fiber lasers[J]. Journal of the Optical Society of America B, 34, 553-558(2017).

[10] Grelu P, Akhmediev N. Dissipative solitons for mode-locked lasers[J]. Nature Photonics, 6, 84-92(2012). http://www.irgrid.ac.cn/handle/1471x/461488

[11] Bao Q L, Zhang H, Wang Y et al. Atomic-layer graphene as a saturable absorber for ultrafast pulsed lasers[J]. Advanced Functional Materials, 19, 3077-3083(2009). http://onlinelibrary.wiley.com/doi/10.1002/adfm.200901007/abstract

[12] Paschotta R, Keller U. Passive mode locking with slow saturable absorbers[J]. Applied Physics B, 73, 653-662(2001). http://link.springer.com/article/10.1007%2Fs003400100726

[13] Zhang B T, Liu J, Wang C et al. Recent progress in 2D material-based saturable absorbers for all solid-state pulsed bulk lasers[J]. Laser & Photonics Reviews, 14, 1900240(2020). http://www.zhangqiaokeyan.com/academic-journal-foreign_other_thesis/0204113446595.html

[14] Zhao W, Chen G W, Li W L et al. All-fiber saturable absorbers for ultrafast fiber lasers[J]. IEEE Photonics Journal, 11, 1-19(2019). http://www.researchgate.net/publication/335865795_All-Fiber_Saturable_Absorbers_for_Ultrafast_Fiber_Lasers

[15] Chédot C, Lecaplain C, Idlahcen S et al. Mode-locked ytterbium-doped fiber lasers: new perspectives[J]. Fiber and Integrated Optics, 27, 341-354(2008).

[16] Zhou J Q, Pan W W, Zhang L et al. Research advances in mode-locked fiber lasers based on nonlinear loop mirror[J]. Chinese Journal of Lasers, 46, 0508013(2019).

[17] Liu Z W, Ziegler Z M, Wright L G et al. Megawatt peak power from a Mamyshev oscillator[J]. Optica, 4, 649-654(2017).

[18] Kurtner F X, der Au J A, Keller U. Mode-locking with slow and fast saturable absorbers-what's the difference?[J]. IEEE Journal of Selected Topics in Quantum Electronics, 4, 159-168(1998). http://ieeexplore.ieee.org/document/686719

[19] Liu X, Guo Q, Qiu D J. Emerging low-dimensional materials for nonlinear optics and ultrafast photonics[J]. Advanced Materials, 29, 1605886(2017). http://onlinelibrary.wiley.com/doi/abs/10.1002/adma.201605886

[20] Xu H Y, Wan X J, Ruan Q J et al. Effects of nanomaterial saturable absorption on passively mode-locked fiber lasers in an anomalous dispersion regime: simulations and experiments[J]. IEEE Journal of Selected Topics in Quantum Electronics, 24, 1-9(2018). http://www.zhangqiaokeyan.com/academic-journal-foreign_other_thesis/020414730830.html

[21] Li D J, Tang D Y, Zhao L M et al. Mechanism of dissipative-soliton-resonance generation in passively mode-locked all-normal-dispersion fiber lasers[J]. Journal of Lightwave Technology, 33, 3781-3787(2015).

[22] Cheng Z C, Li H H, Wang P. Simulation of generation of dissipative soliton, dissipative soliton resonance and noise-like pulse in Yb-doped mode-locked fiber lasers[J]. Optics Express, 23, 5972-5981(2015).

[23] Luo A P, Luo Z C, Liu H et al. Noise-like pulse trapping in a figure-eight fiber laser[J]. Optics Express, 23, 10421-10427(2015).

[24] Sidorenko P, Fu W, Wright L G et al. Self-seeded, multi-megawatt, Mamyshev oscillator[J]. Optics Letters, 43, 2672-2675(2018).

[25] Wang G Z. Baker-Murray A A, Blau W J. Saturable absorption in 2D nanomaterials and related photonic devices[J]. Laser & Photonics Reviews, 13, 1800282(2019).

[26] Zhao L M, Lu C, Tam H Y et al. Gain dispersion for dissipative soliton generation in all-normal-dispersion fiber lasers[J]. Applied Optics, 48, 5131-5137(2009).

[27] Zhao H, Chai L, Ouyang C M et al. A long-cavity all-normal-dispersion mode-locked Yb-doped fiber laser[J]. Chinese Journal of Lasers, 37, 2958-2963(2010).

[28] Luo J L, Ge Y Q, Tang D Y et al. Mechanism of spectrum moving, narrowing, broadening, and wavelength switching of dissipative solitons in all-normal-dispersion Yb-fiber lasers[J]. IEEE Photonics Journal, 6, 1-8(2014). http://ieeexplore.ieee.org/document/6704764/

[29] Szczepanek J, Kardaś T M, Radzewicz C et al. Ultrafast laser mode-locked using nonlinear polarization evolution in polarization maintaining fibers[J]. Optics Letters, 42, 575-578(2017).

[30] Zhou J Q, Pan W W, Gu X J et al. Dissipative-soliton generation with nonlinear-polarization-evolution in a polarization maintaining fiber[J]. Optics Express, 26, 4166-4171(2018). http://www.ncbi.nlm.nih.gov/pubmed/29475268

[31] Radnatarov D, Khripunov S, Kobtsev S et al. Automatic electronic-controlled mode locking self-start in fibre lasers with non-linear polarisation evolution[J]. Optics Express, 21, 20626-20631(2013).

[32] Andral U, Si Fodil R, Amrani F et al. Fiber laser mode locked through an evolutionary algorithm[J]. Optica, 2, 275(2015).

[33] Baumeister T, Brunton S L, Nathan Kutz J. Deep learning and model predictive control for self-tuning mode-locked lasers[J]. Journal of the Optical Society of America B, 35, 617-626(2018).

[34] Pu G Q, Yi L L, Zhang L et al. Intelligent programmable mode-locked fiber laser with a human-like algorithm[J]. Optica, 6, 362-369(2019). http://www.researchgate.net/publication/331684791_Intelligent_programmable_mode-locked_fiber_laser_with_a_human-like_algorithm

[35] Pu G, Yi L, Zhang L et al. Intelligent control of mode-locked femtosecond pulses by time-stretch-assisted real-time spectral analysis[J]. Light, Science & Applications, 9, 13(2020).

[36] Wei Z W, Liu M, Cui H et al. Recent progress of soliton transient dynamics in ultrafast fiber lasers[J]. Laser & Optoelectronics Progress, 56, 070006(2019).

[37] Jeong Y. Vazquez-Zuniga L A, Lee S, et al. On the formation of noise-like pulses in fiber ring cavity configurations[J]. Optical Fiber Technology, 20, 575-592(2014).

[38] Santiago-Hernandez H, Pottiez O, Duran-Sanchez M et al. Dynamics of noise-like pulsing at sub-ns scale in a passively mode-locked fiber laser[J]. Optics Express, 23, 18840-18849(2015).

[39] Zhao J Q, Zhou J, Jiang Y Y et al. Nonlinear absorbing-loop mirror in a holmium-doped fiber laser[J]. Journal of Lightwave Technology, 38, 6069-6075(2020). http://www.researchgate.net/publication/344553903_Nonlinear_Absorbing-Loop_Mirror_in_a_Holmium-Doped_Fiber_Laser

[40] Szczepanek J, Kardaś T M, Michalska M et al. Simple all-PM-fiber laser mode-locked with a nonlinear loop mirror[J]. Optics Letters, 40, 3500-3503(2015).

[41] Aguergaray C. Broderick N G R, Erkintalo M, et al. Mode-locked femtosecond all-normal all-PM Yb-doped fiber laser using a nonlinear amplifying loop mirror[J]. Optics Express, 20, 10545-10551(2012).

[42] Zhou J Q, Gu X J. 32 nJ 615 fs stable dissipative soliton ring cavity fiber laser with Raman scattering[J]. IEEE Photonics Technology Letters, 28, 453-456(2016). http://ieeexplore.ieee.org/document/7323814/

[43] Jiang T X, Cui Y F, Lu P et al. All PM fiber laser mode locked with a compact phase biased amplifier loop mirror[J]. IEEE Photonics Technology Letters, 28, 1786-1789(2016).

[44] Liu G Y, Jiang X H, Wang A M et al. Robust 700 MHz mode-locked Yb: fiber laser with a biased nonlinear amplifying loop mirror[J]. Optics Express, 26, 26003-26008(2018).

[45] Kojou J, Watanabe Y, Agrawal P et al. Wavelength tunable Q-switch laser in visible region with Pr 3+-doped fluoride-glass fiber pumped by GaN diode laser[J]. Optics Communications, 290, 136-140(2013).

[46] Nikkinen J, Härkönen A, Leino I et al. Generation of sub-100 ps pulses at 532, 355, and 266 nm using a SESAM Q-switched microchip laser[J]. IEEE Photonics Technology Letters, 29, 1816-1819(2017).

[47] Huang T, He Q, She X et al. Study on thermal splicing of ZBLAN fiber to silica fiber[J]. Optical Engineering, 55, 106119(2016). http://d.wanfangdata.com.cn/periodical/b551721da774baac431da4cd95d5da62

[48] Luo Z Q, Ruan Q J, Zhong M et al. Compact self-Q-switched green upconversion Er: ZBLAN all-fiber laser operating at 543.4 nm[J]. Optics Letters, 41, 2258-2261(2016). http://www.ncbi.nlm.nih.gov/pubmed/27176977

[49] Luo Z Q, Wu D D, Xu B et al. Two-dimensional material-based saturable absorbers: towards compact visible-wavelength all-fiber pulsed lasers[J]. Nanoscale, 8, 1066-1072(2016).

[50] Li W S, Du T J, Lan J L et al. 716 nm deep-red passively Q-switched Pr: ZBLAN all-fiber laser using a carbon-nanotube saturable absorber[J]. Optics Letters, 42, 671-674(2017).

[51] Gaponenko M, Metz P W, Härkönen A et al. SESAM mode-locked red praseodymium laser[J]. Optics Letters, 39, 6939-6941(2014).

[52] Alessi A, Girard S, Morana A et al. Structured blue emission in Bismuth doped fibers[J]. Optical Materials, 84, 663-667(2018). http://www.sciencedirect.com/science/article/pii/S0925346718305330

[53] Wu D D, Cai Z P, Zhong Y L et al. Compact passive Q-switching Pr 3+-doped ZBLAN fiber laser with black phosphorus-based saturable absorber[J]. IEEE Journal of Selected Topics in Quantum Electronics, 23, 7-12(2017).

[54] Luo S Y, Yan X G, Xu B et al. Few-layer Bi2Se3-based passively Q-switched Pr: YLF visible lasers[J]. Optics Communications, 406, 61-65(2018).

[55] Li W, Wu J, Guan X et al. Efficient continuous-wave and short-pulse Ho 3+-doped fluorozirconate glass all-fiber lasers operating in the visible spectral range[J]. Nanoscale, 10, 5272-5279(2018).

[56] Li W S, Zhu C H, Rong X F et al. Bidirectional red-light passively Q-switched all-fiber ring lasers with carbon nanotube saturable absorber[J]. Journal of Lightwave Technology, 36, 2694-2701(2018).

[57] Zhang Y X, Lu D Z, Yu H H et al. Low-dimensional saturable absorbers in the visible spectral region[J]. Advanced Optical Materials, 7, 1800886(2019). http://www.zhangqiaokeyan.com/academic-journal-foreign_other_thesis/0204113086941.html

[58] Zou J, Dong C, Wang H et al. Towards visible-wavelength passively mode-locked lasers in all-fibre format[J]. Light, Science & Applications, 9, 61(2020). http://www.nature.com/articles/s41377-020-0305-0?utm_source=TrendMD&utm_medium=cpc

[59] He J, Tao L, Zhang H et al. Emerging 2D materials beyond graphene for ultrashort pulse generation in fiber lasers[J]. Nanoscale, 11, 2577-2593(2019). http://pubs.rsc.org/en/content/articlelanding/2019/nr/c8nr09368g

[60] Gong C H, Hu K, Wang X P et al. 2D nanomaterial arrays for electronics and optoelectronics[J]. Advanced Functional Materials, 28, 1706559(2018). http://onlinelibrary.wiley.com/doi/pdf/10.1002/adfm.201706559

[61] Gladush Y, Mkrtchyan A A, Kopylova D S et al. Ionic liquid gated carbon nanotube saturable absorber for switchable pulse generation[J]. Nano Letters, 19, 5836-5843(2019). http://pubs.acs.org/doi/10.1021/acs.nanolett.9b01012

[62] Wang Y R, Zhang B T, Yang H et al. Passively mode-locked solid-state laser with absorption tunable graphene saturable absorber mirror[J]. Journal of Lightwave Technology, 37, 2927-2931(2019). http://ieeexplore.ieee.org/document/8674562

[63] Liu W, Pang L, Han H et al. 70 fs mode-locked erbium-doped fiber laser with topological insulator[J]. Scientific Reports, 6, 19997(2016). http://www.nature.com/articles/srep19997

[64] Zhang J, Ouyang H, Zheng X et al. Ultrafast saturable absorption of MoS2 nanosheets under different pulse-width excitation conditions[J]. Optics Letters, 43, 243-246(2018). http://www.ncbi.nlm.nih.gov/pubmed/29328250

[65] Chen R Z, Zheng X, Jiang T. Broadband ultrafast nonlinear absorption and ultra-long exciton relaxation time of black phosphorus quantum dots[J]. Optics Express, 25, 7507-7519(2017).

[66] Zhang M, Wu Q, Zhang F et al. 2D black phosphorus saturable absorbers for ultrafast photonics[J]. Advanced Optical Materials, 7, 1800224(2019).

[67] Tian Q Y, Yin P, Zhang T et al. MXene Ti3C2Tx saturable absorber for passively Q-switched mid-infrared laser operation of femtosecond-laser-inscribed Er: Y2O3 ceramic channel waveguide[J]. Nanophotonics, 9, 2495-2503(2020).

[68] Grinblat G, Abdelwahab I, Nielsen M P et al. Ultrafast all-optical modulation in 2D hybrid perovskites[J]. ACS Nano, 13, 9504-9510(2019). http://www.researchgate.net/publication/334533675_Ultrafast_All-Optical_Modulation_in_2D_Hybrid_Perovskites

[70] Set S Y, Yaguchi H, Tanaka Y et al. Laser mode locking using a saturable absorber incorporating carbon nanotubes[J]. Journal of Lightwave Technology, 22, 51-56(2004). http://ieeexplore.ieee.org/document/1266677/citations?tabFilter=patents

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

[72] Jhon Y I, Koo J, Anasori B et al. 2D materials: metallic MXene saturable absorber for femtosecond mode-locked lasers[J]. Advanced Materials, 29, 2496(2017).

[73] Li P F, Chen Y, Yang T S et al. Two-dimensional CH3NH3PbI3 perovskite nanosheets for ultrafast pulsed fiber lasers[J]. ACS Applied Materials & Interfaces, 9, 12759-12765(2017). http://www.researchgate.net/publication/316668144_Two-Dimensional_CH_3_NH_3_PbI_3_Perovskite_Nanosheets_for_Ultrafast_Pulsed_Fiber_Lasers

[74] Chai T, Li X H, Feng T C et al. Few-layer bismuthene for ultrashort pulse generation in a dissipative system based on an evanescent field[J]. Nanoscale, 10, 17617-17622(2018). http://www.ncbi.nlm.nih.gov/pubmed/30204206

[75] Xu N N, Ma P F, Fu S G et al. Tellurene-based saturable absorber to demonstrate large-energy dissipative soliton and noise-like pulse generations[J]. Nanophotonics, 9, 2783-2795(2020). http://www.researchgate.net/publication/339211904_Tellurene-based_saturable_absorber_to_demonstrate_large-energy_dissipative_soliton_and_noise-like_pulse_generations

[76] Lu L, Liang Z M, Wu L M et al. Few-layer bismuthene: sonochemical exfoliation, nonlinear optics and applications for ultrafast photonics with enhanced stability[J]. Laser & Photonics Reviews, 12, 1870012(2018). http://www.onacademic.com/detail/journal_1000040226116110_7d1c.html

[77] Wang K, Zheng J, Huang H et al. All-optical signal processing in few-layer bismuthene coated microfiber: towards applications in optical fiber systems[J]. Optics Express, 27, 16798-16811(2019). http://www.researchgate.net/publication/333526519_all-optical_signal_processing_in_few-layer_bismuthene_coated_microfiber_towards_applications_in_optical_fiber_systems

[78] Lee E J, Choi S Y, Jeong H et al. Active control of all-fibre graphene devices with electrical gating[J]. Nature Communications, 6, 6851(2015). http://europepmc.org/articles/PMC4410643

[79] Li D, Xue H, Qi M et al. Graphene actively Q-switched lasers[J]. 2D Materials, 4, 025095(2017).

[80] Li H H, Wang Z K, Li C et al. Mode-locked Tm fiber laser using SMF-SIMF-GIMF-SMF fiber structure as a saturable absorber[J]. Optics Express, 25, 26546-26553(2017).

[81] Fu S J, Sheng Q, Zhu X S et al. Passive Q-switching of an all-fiber laser induced by the Kerr effect of multimode interference[J]. Optics Express, 23, 17255-17262(2015).

[82] Wang Z K, Li L J, Wang D N et al. Generation of pulse-width controllable dissipative solitons and bound solitons by using an all fiber saturable absorber[J]. Optics Letters, 44, 570-573(2019). http://www.researchgate.net/publication/330599978_Generation_of_pulse-width_controllable_dissipative_solitons_and_bound_solitons_by_using_an_all_fiber_saturable_absorber

[83] Yu X, Luo J Q, Xiao X S et al. Research progress of high-power ultrafast fiber lasers[J]. Chinese Journal of Lasers, 46, 0508007(2019).

[84] Ma C Y, Khanolkar A, Zang Y M et al. Ultrabroadband, few-cycle pulses directly from a Mamyshev fiber oscillator[J]. Photonics Research, 8, 65-69(2020).