[1] Wu X J, Ren Z J, Kong D Y et al. Lithium niobate strong-field terahertz source and its applications[J]. Chinese Journal of Lasers, 49, 1914001(2022).

[2] Mittleman D M. Twenty years of terahertz imaging[J]. Optics Express, 26, 9417-9431(2018).

[3] Li P Y, Liu S J, Chen X H et al. Spintronic terahertz emission with manipulated polarization (STEMP)[J]. Frontiers of Optoelectronics, 15, 12(2022).

[4] Hafez H A, Chai X, Ibrahim A et al. Intense terahertz radiation and their applications[J]. Journal of Optics, 18, 093004(2016).

[5] Fülöp J A, Tzortzakis S, Kampfrath T. Laser-driven strong-field terahertz sources[J]. Advanced Optical Materials, 8, 1900681(2020).

[6] Yang K H, Richards P L, Shen Y R. Generation of far-infrared radiation by picosecond light pulses in LiNbO3[J]. Applied Physics Letters, 19, 320-323(1971).

[7] Wu X J, Carbajo S, Ravi K et al. Terahertz generation in lithium niobate driven by Ti: sapphire laser pulses and its limitations[J]. Optics Letters, 39, 5403-5406(2014).

[8] Wu X J, Ma J L, Zhang B L et al. Highly efficient generation of 0.2 mJ terahertz pulses in lithium niobate at room temperature with sub-50 fs chirped Ti: sapphire laser pulses[J]. Optics Express, 26, 7107-7116(2018).

[9] Wu X J, Guo F W, Ma J L et al. High-energy strong-field terahertz pulses based on tilted-pulse-front technique[J]. Chinese Journal of Lasers, 46, 0614008(2019).

[10] Zhang B L, Ma Z Z, Ma J L et al. 1.4-mJ high energy terahertz radiation from lithium niobates[J]. Laser & Photonics Reviews, 15, 2000295(2021).

[11] Wu X J, Kong D Y, Hao S B et al. Generation of 13.9-mJ terahertz radiation from lithium niobate materials[J]. Advanced Materials, 35, 2208947(2023).

[12] Guiramand L, Nkeck J E, Ropagnol X et al. Near-optimal intense and powerful terahertz source by optical rectification in lithium niobate crystal[J]. Photonics Research, 10, 340-346(2022).

[13] Tang H, Zhao L R, Zhu P F et al. Stable and scalable multistage terahertz-driven particle accelerator[J]. Physical Review Letters, 127, 074801(2021).

[14] Zhang D F, Fakhari M, Cankaya H et al. Cascaded multicycle terahertz-driven ultrafast electron acceleration and manipulation[J]. Physical Review X, 10, 011067(2020).

[15] Zhang D F, Fallahi A, Hemmer M et al. Segmented terahertz electron accelerator and manipulator (STEAM)[J]. Nature Photonics, 12, 336-342(2018).

[16] Huang W R, Fallahi A, Wu X J et al. Terahertz-driven, all-optical electron Gun[J]. Optica, 3, 1209-1212(2016).

[17] Salikhov R, Ilyakov I, Körber L et al. Coupling of terahertz light with nanometre-wavelength magnon modes via spin-orbit torque[J]. Nature Physics, 19, 529-535(2023).

[18] Yang C J, Li J W, Fiebig M et al. Terahertz control of many-body dynamics in quantum materials[J]. Nature Reviews Materials, 8, 518-532(2023).

[19] Dong T, Zhang S J, Wang N L. Recent development of ultrafast optical characterizations for quantum materials[J]. Advanced Materials, 35, 21110068(2023).

[20] Li Q, Stoica V A, Paściak M et al. Subterahertz collective dynamics of polar vortices[J]. Nature, 592, 376-380(2021).

[21] Liu Z, Vaswani C, Yang X et al. Ultrafast control of excitonic rashba fine structure by phonon coherence in the metal halide perovskite CH3NH3PbI3[J]. Physical Review Letters, 124, 157401(2020).

[22] Li X, Qiu T, Zhang J H et al. Terahertz field-induced ferroelectricity in quantum paraelectric SrTiO3[J]. Science, 364, 1079-1082(2019).

[23] Greschner A A, Ropagnol X, Kort M et al. Room-temperature and selective triggering of supramolecular DNA assembly/disassembly by nonionizing radiation[J]. Journal of the American Chemical Society, 141, 3456-3469(2019).

[24] Tachizaki T, Sakaguchi R, Terada S et al. Terahertz pulse-altered gene networks in human induced pluripotent stem cells[J]. Optics Letters, 45, 6078-6081(2020).

[25] Berry C W, Wang N, Hashemi M R et al. Significant performance enhancement in photoconductive terahertz optoelectronics by incorporating plasmonic contact electrodes[J]. Nature Communications, 4, 1622(2013).

[26] Beaurepaire E, Merle J C, Daunois A et al. Ultrafast spin dynamics in ferromagnetic nickel[J]. Physical Review Letters, 76, 4250-4253(1996).

[27] Battiato M, Carva K, Oppeneer P M. Superdiffusive spin transport as a mechanism of ultrafast demagnetization[J]. Physical Review Letters, 105, 027203(2010).

[28] Kampfrath T, Battiato M, Maldonado P et al. Terahertz spin current pulses controlled by magnetic heterostructures[J]. Nature Nanotechnology, 8, 256-260(2013).

[29] Jin Z M, Guo Y Y, Ji B Y et al. Development of ultrafast spin-based terahertz photonics(invited)[J]. Acta Photonica Sinica, 51, 0751410(2022).

[30] Seifert T, Jaiswal S, Martens U et al. Efficient metallic spintronic emitters of ultrabroadband terahertz radiation[J]. Nature Photonics, 10, 483-488(2016).

[31] Kong D Y, Wu X J, Wang B et al. Broadband spintronic terahertz emitter with magnetic-field manipulated polarizations[J]. Advanced Optical Materials, 7, 1900487(2019).

[32] Wang B, Shan S Y, Wu X J et al. Picosecond nonlinear spintronic dynamics investigated by terahertz emission spectroscopy[J]. Applied Physics Letters, 115, 121104(2019).

[33] Chen X H, Wang H T, Wang C et al. Efficient generation and arbitrary manipulation of chiral terahertz waves emitted from Bi2Te3-Fe heterostructures[J]. Advanced Photonics Research, 2, 2000099(2021).

[34] Liu S J, Guo F W, Li P Y et al. Nanoplasmonic-enhanced spintronic terahertz emission[J]. Advanced Materials Interfaces, 9, 2101296(2022).

[35] Chen X H, Wang H T, Liu H J et al. Generation and control of terahertz spin currents in topology-induced 2D ferromagnetic Fe3GeTe2|Bi2Te3 heterostructures[J]. Advanced Materials, 34, 2106172(2022).

[36] Liu S J, Lu C H, Fan Z Q et al. Modulated terahertz generation in femtosecond laser plasma filaments by high-field spintronic terahertz pulses[J]. Applied Physics Letters, 120, 172404(2022).

[37] Li P Y, Liu S J, Liu Z et al. Laser terahertz emission microscopy of nanostructured spintronic emitters[J]. Applied Physics Letters, 120, 201102(2022).

[38] Cocker T L, Jelic V, Hillenbrand R et al. Nanoscale terahertz scanning probe microscopy[J]. Nature Photonics, 15, 558-569(2021).

[39] Plankl M, Faria P E,, Mooshammer F et al. Subcycle contact-free nanoscopy of ultrafast interlayer transport in atomically thin heterostructures[J]. Nature Photonics, 15, 594-600(2021).

[40] Ye X L, You G J. Terahertz near-field microscopic imaging study of monolayer MoS2 and WS2[J]. Optical Instruments, 44, 63-69(2022).

[41] Hu X T, Zhou L, Wu X et al. Review on near-field detection technology in the biomedical field[J]. Advanced Photonics Nexus, 2, 044002(2023).

[42] Eisele M, Cocker T L, Huber M A et al. Ultrafast multi-terahertz nano-spectroscopy with sub-cycle temporal resolution[J]. Nature Photonics, 8, 841-845(2014).

[43] Huber M A, Mooshammer F, Plankl M et al. Femtosecond photo-switching of interface polaritons in black phosphorus heterostructures[J]. Nature Nanotechnology, 12, 207-211(2017).

[44] Klarskov P, Kim H, Colvin V L et al. Nanoscale laser terahertz emission microscopy[J]. ACS Photonics, 4, 2676-2680(2017).

[45] Pizzuto A, Ma P C, Mittleman D M. Near-field terahertz nonlinear optics with blue light[J]. Light: Science & Applications, 12, 96(2023).