[1] A. Forbes. Structured light from lasers. Laser Photonics Rev., 2019, 13: 1900140.

[2] E. J. Bochove, G. T. Moore, M. O. Scully. Acceleration of particles by an asymmetric Hermite-Gaussian laser beam. Phys. Rev. A, 1992, 46: 6640-6653.

[3] H. S. Ghotra, N. Kant. TEM modes influenced electron acceleration by Hermite-Gaussian laser beam in plasma. Laser Part. Beams, 2016, 34: 385-393.

[4] L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, J. P. Woerdman. Orbital angular-momentum of light and the transformation of Laguerre-Gaussian laser modes. Phys. Rev. A, 1992, 45: 8185-8189.

[5] D. G. Grier. A revolution in optical manipulation. Nature, 2003, 424: 810-816.

[6] J. Wang, I. M. F. J. Yang, N. Ahmed, Y. R. Y. Yan, H. Huang, Y. Yue, S. Dolinar, M. Tur, A. E. Willner. Terabit free-space data transmission employing orbital angular momentum multiplexing. Nat. Photonics, 2012, 6: 488-496.

[7] K. I. Willig, S. O. Rizzoli, V. Westphal, R. Jahn, S. W. Hell. STED microscopy reveals that synaptotagmin remains clustered after synaptic vesicle exocytosis. Nature, 2006, 440: 935-939.

[8] A. Mair, A. Vaziri, G. Weihs, A. Zeilinger. Entanglement of the orbital angular momentum states of photons. Nature, 2001, 412: 313-316.

[9] P. Polynkin, C. Ment, J. V. Moloney. Self-focusing of ultraintense femtosecond optical vortices in air. Phys. Rev. Lett., 2013, 111: 023901.

[10] M. Zürch, C. Kern, P. Hansinger, A. Dreischuh, C. Spielmann. Strong-field physics with singular light beams. Nat. Phys., 2012, 8: 743-746.

[11] N. M. Litchinitser. Structured light meets structured matter. Science, 2012, 337: 1054-1055.

[12] J. Ni, C. Wang, C. Zhang, L. Y. Y. Hu, Z. Lao, J. L. B. Xu, D. Wu, J. Chu. Three-dimensional chiral microstructures fabricated by structured optical vortices in isotropic material. Light Sci. Appl., 2017, 6: e17011.

[13] K. Bezuhanov, A. Dreischuh, G. G. Paulus, M. G. Schatzel, H. Walther. Vortices in femtosecond laser fields. Opt. Lett., 2004, 29: 1942-1944.

[14] I. G. Mariyenko, J. Strohaber, C. J. G. J. Uiterwaal. Creation of optical vortices in femtosecond pulses. Opt. Express, 2005, 13: 7599-7608.

[15] K. J. Moh, X.-C. Yuan, D. Y. Tang, W. C. Cheong, L. S. Zhang, D. K. Y. Low, X. Peng, H. B. Niu, Z. Y. Lin. Generation of femtosecond optical vortices using a single refractive optical element. Appl. Phys. Lett., 2006, 88: 091103.

[16] M. Bock, J. Brunne, A. Treffer, S. König, U. Wallrabe, R. Grunwald. Sub-3-cycle vortex pulses of tunable topological charge. Opt. Lett., 2013, 38: 3642-3645.

[17] R. Grunwald, T. Elsaesser, M. Bock. Spatio-temporal coherence mapping of few-cycle vortex pulses. Sci. Rep., 2015, 4: 7148.

[18] I. Zeylikovich, H. I. Sztul, V. Kartazaev, T. Le, R. R. Alfano. Ultrashort Laguerre-Gaussian pulses with angular and group velocity dispersion compensation. Opt. Lett., 2007, 32: 2025-2027.

[19] H. A. Nam, M. G. Cohen, J. W. Noe. A simple method for creating a robust optical vortex beam with a single cylinder lens. J. Opt., 2011, 13: 064026.

[20] M. W. Beijersbergen, L. Allen, H. E. L. O. van der Veen, J. P. Woerdman. Astigmatic laser mode converters and transfer of orbital angular-momentum. Opt. Commun., 1993, 96: 123-132.

[21] R. Uren, S. Beecher, W. A. Clarkson. Method for generating high purity Laguerre–Gaussian vortex modes. IEEE J. Quantum Electron., 2019, 55: 1700109.

[22] D. E. Spence, P. N. Kean, W. Sibbett. 60-fsec pulse generation from a self-mode-locked Ti:sapphire laser. Opt. Lett., 1991, 16: 42-44.

[23] H. C. Liang, Y. J. Huang, Y. C. Lin, T. H. Lu, Y. F. Chen, K. F. Huang. Picosecond optical vortex converted from multigigahertz self-mode-locked high-order Hermite–Gaussian Nd:GdVO₄ lasers. Opt. Lett., 2009, 34: 3842-3844.

[24] S. Zhang, P. Li, S. Wang, J. Tan, G. Feng, S. Zhou. Ultrafast vortices generation at low pump power and shearing interferometer-based vortex topological detection. Laser Phys. Lett., 2019, 16: 035320.

[25] Z. Qiao, L. Kong, G. Xie, Z. Qin, P. Yuan, L. Qian, X. Xu, J. Xu, D. Fan. Ultraclean femtosecond vortices from a tunable high-order transverse-mode femtosecond laser. Opt. Lett., 2017, 42: 2547-2550.

[26] H. Tong, G. Xie, Z. Qiao, Z. Qin, P. Yuan, J. Ma, L. Qian. Generation of a mid-infrared femtosecond vortex beam from an optical parametric oscillator. Opt. Lett., 2020, 45: 989-992.

[27] J. Paajaste, S. Suomalainen, A. Härkönen, U. Griebner, G. Steinmeyer, M. Guina. Absorption recovery dynamics in 2  μm GaSb-based SESAMs. J. Phys. D, 2014, 47: 065102.

[28] Y. Zhao, L. Wang, Y. Wang, J. Zhang, X. X. P. Liu, Y. Liu, D. Shen, J. E. Bae, T. G. Park, F. Rotermund, X. Mateos, P. Loik, Z. Wang, X. Xu, J. Xu, M. Mero, U. Griebner, V. Petrov, W. Chen. SWCNT-SA mode-locked Tm:LuYO₃ ceramic laser delivering 8-optical-cycle pulses at 2.05  μm. Opt. Lett., 2020, 45: 459-462.

[29] Y. F. Chen, Y. H. Lai, M. X. Hsieh, Y. H. Hsieh, C. W. Tu, H. C. Liang, K. F. Huang. Wave representation for asymmetric elliptic vortex beams generated from the astigmatic mode converter. Opt. Lett., 2019, 44: 2028-2031.

[30] ZhaoY.WangL.PanZ.WangY.ZhangJ.LiuP.XuX.ShenD.XuJ.SuomalainenS.HärkönenA.GuinaM.LoikoP.MateosX.GriebnerU.PetrovV.ChenW., “Sub-60 fs SESAM mode-locked Tm:LuYO₃ ceramic laser,” in Conference on Lasers and Electro-Optics/Europe and the European Quantum Electronics Conference (OSA, 2019), paper CA-6.2.

[31] Y. Zhao, L. Wang, W. Chen, Z. Pan, Y. Wang, P. Liu, X. Xu, Y. Liu, D. Shen, J. Zhang, M. Guina, X. Mateos, P. Loiko, Z. Wang, X. Xu, J. Xu, M. Mero, U. Griebner, V. Petrov. SESAM mode-locked Tm:LuYO₃ ceramic laser generating 54  fs pulses at 2048  nm. Appl. Opt., 2020, 59: 10493-10497.

[32] U. Keller. Ultrafast solid-state lasers. Prog. Opt., 2004, 46: 1-115.

[33] Y. Zhao, Y. Wang, X. Zhang, X. Mateos, Z. Pan, P. Loiko, W. Zhou, X. Xu, J. Xu, D. Shen, S. Suomalainen, A. Härkönen, M. Guina, U. Griebner, V. Petrov. 87  fs mode-locked Tm,Ho:CaYAlO₄ laser at ∼2043  nm. Opt. Lett., 2018, 43: 915-918.

[34] A. A. Lagatsky, X. Han, M. D. Serrano, C. Cascales, C. Zaldo, S. Calvez, M. D. Dawson, J. A. Gupta, C. T. A. Brown, W. Sibbett. Femtosecond (191  fs) NaY(WO₄)₂ Tm,Ho-codoped laser at 2060  nm. Opt. Lett., 2010, 35: 3027-3029.

[35] Y. F. Chen, T. M. Huang, C. F. Kao, C. L. Wang, S. C. Wang. Generation of Hermite-Gaussian modes in fiber-coupled laser-diode end-pumped lasers. IEEE J. Quantum Electron., 1997, 33: 1025-1030.

[36] J.-C. M. Diels, J. J. Fontaine, I. C. McMichael, F. Simoni. Control and measurement of ultrashort pulse shapes (in amplitude and phase) with femtosecond accuracy. Appl. Opt., 1985, 24: 1270-1282.