[1] Zhang J, Lin Z, Liu J, et al. SDM transmission of orbital angular momentum mode channels over a multi-ring-core fibre [J]. Nanophotonics, 2021, 11(4): 873-884.
[2] Shi Y, Blackman D R, Zhu P, et al. Electron pulse train accelerated by a linearly polarized Laguerre–Gaussian laser beam [J]. High Power Laser Science and Engineering, 2022, 10: e45. doi:  10.1017/hpl.2022.37
[3] Yang Y, Ren Y, Chen M, et al. Optical trapping with structured light: A review [J]. Advanced Photonics, 2021, 3(3): 034001.
[4] Willig K I, Keller J, Bossi M. STED microscopy resolves nanoparticle assemblies [J]. New Journal of Physics, 2006, 8(6): 106. doi:  10.1088/1367-2630/8/6/106
[5] 吕浩然, 白毅华, 叶紫微, 等. 利用超表面的涡旋光束产生进展(特邀)[J]. 红外与激光工程, 2021, 50(9): 62-77. doi:  10.3788/IRLA20210283

Lv H, Bai Y, Ye Z, et al. Generation of optical vortex beams via metasurfaces(invited) [J]. Infrared and Laser Engineering, 2021, 50(9): 20210283. (in Chinese) doi:  10.3788/IRLA20210283
[6] 马文琪, 路慧敏, 王建萍, 等. 基于空间光调制器和深度学习的涡旋光束产生[J]. 光学学报, 2021, 41(11): 79-85. doi:  10.3788/AOS202141.1107001

Ma W, Lu H, Wang J, et al. Vortex beam generation based on spatial light modulator and deep learning [J]. Acta Optica Sinica, 2021, 41(11): 1107001. (in Chinese) doi:  10.3788/AOS202141.1107001
[7] Fridman M, Nixon M, Dubinskiy M, et al. Fiber amplification of radially and azimuthally polarized laser light [J]. Physics, 2010, 35(1): 1332-1334.
[8] Gregg P, Mirhosseini M, Rubano A, et al. Q-plates as higher order polarization controllers for orbital angular momentum modes of fiber [J]. Optics Letters, 2015, 40(8): 1729-1732. doi:  10.1364/OL.40.001729
[9] Ma X, Ye J, Zhang Y, et al. Vortex random fiber laser with controllable orbital angular momentum mode [J]. Photonics Research, 2021, 9(2): 266-271. doi:  10.1364/PRJ.413455
[10] Sun B, Wang A, Xu L, et al. Low-threshold single-wavelength all-fiber laser generating cylindrical vector beams using a few-mode fiber Bragg grating [J]. Optics Letters, 2012, 37(4): 464-466. doi:  10.1364/OL.37.000464
[11] Zhao Y, Wang T, Mou C, et al. All-fiber vortex laser generated with few-mode long-period gratings [J]. IEEE Photonics Technology Letters, 2018, 30(8): 752-755. doi:  10.1109/LPT.2018.2815041
[12] Lu Y, Liu W, Chen Z, et al. Spatial mode control based on photonic lanterns [J]. Optics Express, 2021, 29(25): 41788-41797. doi:  10.1364/OE.440326
[13] Wang T, Wang F, Shi F, et al. Generation of femtosecond optical vortex beams in all-fiber mode-locked fiber laser using mode selective coupler [J]. Journal of Lightwave Technology, 2017, 35(11): 2161-2166. doi:  10.1109/JLT.2017.2676241
[14] Wu H, Xu J, Huang L, et al. High-power fiber laser with real-time mode switchability [J]. Chinese Optics Letters, 2022, 20(2): 021402. doi:  10.3788/COL202220.021402
[15] Lu J, Shi F, Meng L, et al. Real-time observation of vortex mode switching in a narrow-linewidth mode-locked fiber laser [J]. Photonics Research, 2020, 8(7): 1203-1212. doi:  10.1364/PRJ.386954
[16] Zhang W, Wei K, Huang L, et al. Optical vortex generation with wavelength tunability based on an acoustically-induced fiber grating [J]. Optics Express, 2016, 24(17): 19278-19285. doi:  10.1364/OE.24.019278
[17] Zhang W, Huang L, Wei K, et al. High-order optical vortex generation in a few-mode fiber via cascaded acoustically driven vector mode conversion [J]. Optics Letters, 2016, 41(21): 5082-5085. doi:  10.1364/OL.41.005082
[18] Zhao X, Liu Y, Liu Z, et al. Wavelength tunable OAM mode converters based on chiral long-period gratings [J]. IEEE Photonics Technology Letters, 2020, 32(24): 1519-1522. doi:  10.1109/LPT.2020.3038284
[19] Hu H, Chen Z, Cao Qian, et al. Wavelength-tunable and OAM-switchable ultrafast fiber laser enabled by intracavity polarization control [J]. IEEE Photonics Journal, 2023, 15(1): 1-4.
[20] Gui L, Wang C, Ding F, et al. 60 nm span wavelength-tunable vortex fiber laser with intracavity plasmon metasurfaces [J]. ACS Photonics, 2023, 10(3): 623-631. doi:  10.1021/acsphotonics.2c01625
[21] 周朴, 姚天甫, 范晨晨, 等. 拉曼光纤激光: 50年的历程、现状与趋势(特邀)[J]. 红外与激光工程, 2022, 51(1): 20220015. doi:  10.3788/IRLA20220015

Zhou P, Yao T, Fan C, et al. 50th anniversary of Raman fiber laser: History, progress and prospect (Invited) [J]. Infrared and Laser Engineering, 2022, 51(1): 20220015. (in Chinese) doi:  10.3788/IRLA20220015
[22] Terry N B, Alley T G, Russell T H. An explanation of SRS beam cleanup in graded-index fibers and the absence of SRS beam cleanup in step-index fibers [J]. Optics Express, 2007, 15(26): 17509-17519. doi:  10.1364/OE.15.017509
[23] Blake J N, Kim B Y, Engan H E, et al. Analysis of intermodal coupling in a two-mode fiber with periodic microbends [J]. Optics Letters, 1987, 12(4): 281-283. doi:  10.1364/OL.12.000281
[24] Vengsarkar A M, Pedrazzani J R, Judkins J B, et al. Long-period fiber-grating-based gain equalizers [J]. Optics Letters, 1996, 21(5): 336-338. doi:  10.1364/OL.21.000336
[25] Lan B, Liu C, Rui D, et al. The topological charge measurement of the vortex beam based on dislocation self-reference interferometry [J]. Physica Scripta, 2019, 94: 055502. doi:  10.1088/1402-4896/ab03a2