[1] Zhang W, Teng H, Yun C X et al. Generation of sub-2 cycle optical pulses with a differentially pumped hollow fiber[J]. Chinese Physics Letters, 27, 054211(2010).

[2] Hassan M Th, Luu T T, Moulet A et al. Optical attosecond pulses and tracking the nonlinear response of bound electrons[J]. Nature, 530, 66-70(2016). http://smartsearch.nstl.gov.cn/paper_detail.html?id=d7131a41ca92aa2fb18ce383298d22de

[3] Silva F, Alonso B, Holgado W et al. Strategies for achieving intense single-cycle pulses with in-line post-compression setups[J]. Optics Letters, 43, 337-340(2018). http://www.ncbi.nlm.nih.gov/pubmed/29328280

[4] Huang P, Fang S B, Gao Y T et al. Simple method for simultaneous long-term stabilization of relative timing and carrier-envelope phase in waveform synthesis[J]. Applied Physics Letters, 115, 031102(2019). http://www.researchgate.net/publication/334552725_Simple_method_for_simultaneous_long-term_stabilization_of_relative_timing_and_carrier-envelope_phase_in_waveform_synthesis

[5] Hwang S I, Park S B, Mun J et al. Generation of a single-cycle pulse using a two-stage compressor and its temporal characterization using a tunnelling ionization method[J]. Scientific Reports, 9, 1613(2019). http://www.nature.com/articles/s41598-018-38220-z

[6] Seo M, Tsendsuren K, Mitra S et al. High-contrast, intense single-cycle pulses from an all thin-solid-plate setup[J]. Optics Letters, 45, 367-370(2020). http://www.researchgate.net/publication/337882157_High-contrast_intense_single-cycle_pulses_from_an_all_thin-solid-plate_setup

[7] McPherson A, Gibson G, Jara H et al. Studies of multiphoton production of vacuum-ultraviolet radiation in the rare gases[J]. Journal of the Optical Society of America B, 4, 595-601(1987).

[8] Ferray M, L'Huillier A, Li X F et al. Multiple-harmonic conversion of 1064 nm radiation in rare gases[J]. Journal of Physics B, 21, L31-L35(1988).

[9] Chini M, Wang X W, Cheng Y et al. Coherent phase-matched VUV generation by field-controlled bound states[J]. Nature Photonics, 8, 437-441(2014). http://www.nature.com/articles/nphoton.2014.83

[10] Mashiko H, Gilbertson S, Chini M et al. Extreme ultraviolet supercontinua supporting pulse durations of less than one atomic unit of time[J]. Optics Letters, 34, 3337-3339(2009).

[11] Popmintchev T, Chen M C, Popmintchev D et al. Bright coherent ultrahigh harmonics in the keV X-ray regime from mid-infrared femtosecond lasers[J]. Science, 336, 1287-1291(2012).

[12] Corkum P B. Plasma perspective on strong field multiphoton ionization[J]. Physical Review Letters, 71, 1994(1993).

[13] Lewenstein M, Balcou P, Ivanov M Y et al. Theory of high-harmonic generation by low-frequency laser fields[J]. Physical Review A, 49, 2117(1994). http://ptep.oxfordjournals.org/external-ref?access_num=10.1103/PhysRevA.49.2117&link_type=DOI

[14] Corkum P B, Burnett N H, Ivanov M Y. Subfemtosecond pulses[J]. Optics Letters, 19, 1870-1872(1994).

[15] Hentschel M, Kienberger R, Spielmann C et al. Attosecond metrology[J]. Nature, 414, 509-513(2001).

[16] Li J, Ren X, Yin Y et al. 53-attosecond X-ray pulses reach the carbon K-edge[J]. Nature Communications, 8, 186(2017).

[17] Gaumnitz T, Jain A, Pertot Y et al. Streaking of 43-attosecond soft-X-ray pulses generated by a passively CEP-stable mid-infrared driver[J]. Optics Express, 25, 27506-27518(2017).

[18] Chini M, Zhao K, Chang Z H. The generation, characterization and applications of broadband isolated attosecond pulses[J]. Nature Photonics, 8, 178-186(2014). http://www.nature.com/articles/nphoton.2013.362

[19] Chang Z H, Corkum P. Attosecond photon sources: the first decade and beyond[J]. Journal of the Optical Society of America B, 27, B9-B17(2010). http://www.opticsinfobase.org/abstract.cfm?URI=josab-27-11-B9

[20] Peng L Y, Jiang W C, Geng J W et al. Tracing and controlling electronic dynamics in atoms and molecules by attosecond pulses[J]. Physics Reports, 575, 1-71(2015).

[21] Calegari F, Sansone G, Stagira S et al. Advances in attosecond science[J]. Journal of Physics B, 49, 062001(2016).

[22] Goulielmakis E, Loh Z H, Wirth A et al. Real-time observation of valence electron motion[J]. Nature, 466, 739-743(2010). http://www.ncbi.nlm.nih.gov/pubmed/20686571

[23] Schultze M, Ramasesha K, Pemmaraju C D et al. Attosecond band-gap dynamics in silicon[J]. Science, 346, 1348-1352(2014).

[24] Calegari F, Ayuso D, Trabattoni A et al. Ultrafast electron dynamics in phenylalanine initiated by attosecond pulses[J]. Science, 346, 336-339(2014). http://smartsearch.nstl.gov.cn/paper_detail.html?id=00f48e93b7c8af3acd5f2ab3f649ebf7

[25] Ott C, Kaldun A, Argenti L et al. Reconstruction and control of a time-dependent two-electron wave packet[J]. Nature, 516, 374-378(2014).

[26] Ghimire S, Ndabashimiye G, DiChiara A D et al. Strong-field and attosecond physics in solids[J]. Journal of Physics B, 47, 204030(2014).

[27] Zhao K, Zhang Q, Chini M et al. Tailoring a 67 attosecond pulse through advantageous phase-mismatch[J]. Optics Letters, 37, 3891-3893(2012). http://www.ncbi.nlm.nih.gov/pubmed/23041894

[28] Chang Z H. Chirp of the single attosecond pulse generated by a polarization gating[J]. Physical Review A, 71, 023813(2005). http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PLRAAN000071000002023813000001&idtype=cvips&gifs=Yes

[29] Ko D H, Kim K T, Nam C H. Attosecond-chirp compensation with material dispersion to produce near transform-limited attosecond pulses[J]. Journal of Physics B, 45, 074015(2012). http://www.ingentaconnect.com/content/iop/jphysb/2012/00000045/00000007/art074015

[30] Shan B, Chang Z H. Dramatic extension of the high-order harmonic cutoff by using a long-wavelength driving field[J]. Physical Review A, 65, 011804(2001). http://adsabs.harvard.edu/abs/2002PhRvA..65a1804S

[31] Yin Y C, Li J, Ren X M et al. High-efficiency optical parametric chirped-pulse amplifier in BiB3O6 for generation of 3 mJ, two-cycle, carrier-envelope-phase-stable pulses at 1.7 μm[J]. Optics Letters, 41, 1142-1145(2016).

[32] Deng Y P, Schwarz A, Fattahi H et al. Carrier-envelope-phase-stable, 1.2 mJ, 1.5 cycle laser pulses at 2.1 μm[J]. Optics Letters, 37, 4973-4975(2012).

[33] Ishii N, Kaneshima K, Kanai T et al. Generation of sub-two-cycle millijoule infrared pulses in an optical parametric chirped-pulse amplifier and their application to soft X-ray absorption spectroscopy with high-flux high harmonics[J]. Journal of Optics, 20, 014003(2018). http://adsabs.harvard.edu/abs/2018JOpt...20a4003I

[34] Ishii N, Kaneshima K, Kitano K et al. Carrier-envelope phase-dependent high harmonic generation in the water window by few-cycle IR pulses[J]. Nature Communications, 5, 3331(2014). http://www.opticsinfobase.org/abstract.cfm?URI=CLEO_QELS-2013-QF1C.3

[35] Stein G J, Keathley P D, Krogen P et al. Water-window soft X-ray high-harmonic generation up to the nitrogen K-edge driven by a kHz, 2.1 μm OPCPA source[J]. Journal of Physics B, 49, 155601(2016).

[36] Musheghyan M, Lücking F, Cheng Z et al. 0.24 TW ultrabroadband, CEP-stable multipass Ti∶Sa amplifier[J]. Optics Letters, 44, 1464-1467(2019). http://arxiv.org/abs/1905.02707

[37] He P, Liu Y Y, Zhao K et al. High-efficiency supercontinuum generation in solid thin plates at 0.1 TW level[J]. Optics Letters, 42, 474-477(2017).

[38] Lu C H, Tsou Y J, Chen H Y et al. Generation of intense supercontinuum in condensed media[J]. Optica, 1, 400-406(2014). http://www.opticsinfobase.org/abstract.cfm?URI=optica-1-6-400

[39] Nisoli M, de Silvestri S, Svelto O. Generation of high-energy 10-fs pulses by a new pulse compression technique[J]. Applied Physics Letters, 68, 2793-2795(1996).

[40] Sansone G, Benedetti E, Calegari F et al. Isolated single-cycle attosecond pulses[J]. Science, 314, 443-446(2006).

[41] Chang Z H. Single attosecond pulse and xuv supercontinuum in the high-order harmonic plateau[J]. Physical Review A, 70, 043802(2004). http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=VIRT05000003000011000140000001&idtype=cvips&gifs=Yes

[42] Shan B, Ghimire S, Chang Z H. Generation of the attosecond extreme ultraviolet supercontinuum by a polarization gating[J]. Journal of Modern Optics, 52, 277-283(2005). http://dx.doi.org/10.1080/09500340410001729573

[43] Goulielmakis E, Schultze M, Hofstetter M et al. Single-cycle nonlinear optics[J]. Science, 320, 1614-1617(2008).

[44] Zhan M J, Ye P, Teng H et al. Generation and measurement of isolated 160-attosecond XUV laser pulses at 82 eV[J]. Chinese Physics Letters, 30, 093201(2013).

[45] Mashiko H, Gilbertson S, Li C et al. Double optical gating of high-order harmonic generation with carrier-envelope phase stabilized lasers[J]. Physical Review Letters, 100, 103906(2008). http://europepmc.org/abstract/MED/18352191

[46] Feng X, Gilbertson S, Mashiko H et al. Generation of isolated attosecond pulses with 20 to 28 femtosecond lasers[J]. Physical Review Letters, 103, 183901(2009). http://europepmc.org/abstract/MED/19905806

[47] Gilbertson S, Wu Y, Khan S D et al. Isolated attosecond pulse generation using multicycle pulses directly from a laser amplifier[J]. Physical Review A, 81, 043810(2010).

[48] Chang Z H. Fundamentals of attosecond optics[M](2016).

[49] Doumy G, Wheeler J, Roedig C et al. Attosecond synchronization of high-order harmonics from midinfrared drivers[J]. Physical Review Letters, 102, 093002(2009). http://www.ncbi.nlm.nih.gov/pubmed/19392517

[50] Chang Z H. Compensating chirp of attosecond X-ray pulses by a neutral hydrogen gas[J]. OSA Continuum, 2, 314-319(2019). http://www.researchgate.net/publication/330690611_compensating_chirp_of_attosecond_x-ray_pulses_by_a_neutral_hydrogen_gas

[51] López-Martens R, Varjú K, Johnsson P et al. Amplitude and phase control of attosecond light pulses[J]. Physical Review Letters, 94, 033001(2005). http://europepmc.org/abstract/MED/15698258

[52] Henke B L, Gullikson E M, Davis J C. X-ray interactions: photoabsorption, scattering, transmission, and reflection at E=50--30,000 eV, Z=1--92[J]. Atomic Data and Nuclear Data Tables, 54, 181-342(1993). http://www.sciencedirect.com/science/article/pii/S0092640X83710132

[54] Itatani J, Quéré F, Yudin G L et al. Attosecond streak camera[J]. Physical Review Letters, 88, 173903(2002).

[55] Harada T, Kita T. Mechanically ruled aberration-corrected concave gratings[J]. Applied Optics, 19, 3987-3993(1980).

[56] Harada T, Takahashi K, Sakuma H et al. Optimum design of a grazing-incidence flat-field spectrograph with a spherical varied-line-space grating[J]. Applied Optics, 38, 2743-2748(1999).

[57] Wang X W, Chini M, Cheng Y et al. In situ calibration of an extreme ultraviolet spectrometer for attosecond transient absorption experiments[J]. Applied Optics, 52, 323-329(2013). http://www.opticsinfobase.org/ao/abstract.cfm?uri=ao-52-3-323

[58] Mauritsson J, Remetter T, Swoboda M et al. Attosecond electron spectroscopy using a novel interferometric pump-probe technique[J]. Physical Review Letters, 105, 053001(2010). http://d.wanfangdata.com.cn/periodical/040eaee3592714d1851844fd2bc439ab

[59] Choi N N, Jiang T F, Morishita T et al. Theory of probing attosecond electron wave packets via two-path interference of angle-resolved photoelectrons[J]. Physical Review A, 82, 013409(2010). http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=VIRT05000009000008000102000001&idtype=cvips&gifs=Yes

[60] Goulielmakis E, Loh Z H, Wirth A et al. Real-time observation of valence electron motion[J]. Nature, 466, 739-743(2010). http://www.ncbi.nlm.nih.gov/pubmed/20686571

[61] Wang H, Chini M, Chen S et al. Attosecond time-resolved autoionization of argon[J]. Physical Review Letters, 105, 143002(2010). http://ieeexplore.ieee.org/xpl/abstractAuthors.jsp?reload=true&tp=&arnumber=5951354

[62] Li J, Chew A, Hu S Y et al. Double optical gating for generating high flux isolated attosecond pulses in the soft X-ray regime[J]. Optics Express, 27, 30280-30286(2019). http://www.ncbi.nlm.nih.gov/pubmed/31684277