[1] T H MAIMAN. Stimulated optical radiation in ruby. Nature, 187, 493-494(1960).
[2] F J MCCLUNG, R W HELLWARTH. Giant optical pulsations from ruby. Journal of Applied Physics, 33, 103-105(1962).
[3] A J DEMARIA, C M FERRAR. Mode locking of a Nd3+-doped glass laser. Applied Physics Letters, 8, 22-24(1966).
[4] Z CHENG, G TEMPEA, T BRABEC. Generation of intense diffraction-limited white light and 4-fs pulses(1998).
[5] B SCHENKEL, J BIEGERT, U KELLER. Generation of 3.8-fs pulses from adaptive compression of a cascaded hollow fiber supercontinuum. Optics Letters, 28, 1987-1989(2003).
[7] S BOHMAN, A SUDA, T KANAI. Generation of 5.0 fs, 5.0 mJ pulses at 1kHz using hollow-fiber pulse compression. Optics Letters, 35, 1887-1889(2010).
[8] S CHIA, G CIRMI, S FANG. Two-octave-spanning dispersion-controlled precision optics for sub-optical-cycle waveform synthesizers. Optica, 1, 315-322(2014).
[9] T NAGY, M KRETSCHMAR, M VRAKKING. Generation of above-terawatt 1.5-cycle visible pulses at 1 kHz by post-compression in a hollow fiber. Optics Letters, 45, 3313-3316(2020).
[10] A MCPHERSON, G GIBSON, H JARA. Studies of multiphoton production of vacuum-ultraviolet radiation in the rare gases. Journal of The Optical Society of America B, 4, 595(1987).
[11] P B CORKUM, N H BURNETT, M Y IVANOV. Subfemtosecond pulses. Optics Letters, 19, 1870(1994).
[12] M HENTSCHEL, R KIENBERGER, C SPIELMANN. Attosecond metrology. Nature, 414, 509(2001).
[13] M DRESCHER, M HENTSCHEL, R KIENBERGER. Time-resolved atomic inner-shell spectroscopy. Nature, 419, 803-807(2002).
[14] A I KULEFF, J BREIDBACH, L S CEDERBAUM. Multielectron wave-packet propagation: General theory and application. Journal of Chemical Physics, 123, 044111(2005).
[15] Z CHANG, P B CORKUM. Attosecond photon sources: the first decade and beyond. Journal of the Optical Society of America B, 27, 9-10(2010).
[16] P B CORKUM. Plasma perspective on strong field multiphoton ionization. Physical Review Letters, 71, 1994-1997(1993).
[17] M LEWENSTEIN, P BALCOU, M Y IVANOV. Theory of high-harmonic generation by low-frequency laser fields. Physical Review A, 49, 2117-2132(1994).
[18] K C KULANDER, B W SHORE. Calculations of multiple-harmonic conversion of 1064-nm radiation in Xe. Physical Review Letters, 62, 524-527, 1989(1989).
[19] J L KRAUSE, K J SCHAFER, K C KULANDER. High-order harmonic generation from atoms and ions in the high intensity regime. Physical Review Letters, 68, 3535-3538(1992).
[20] C SPIELMANN, N H BURNETT, S SARTANIA. Generation of coherent X-rays in the water window using 5 femtosecond laser pulses. Science, 278, 661-664(1997).
[21] Z CHANG, A RUNDQUIST, H WANG. Generation of coherent soft X rays at 2.7 nm using high harmonics. Physical Review Letters, 79, 2967-2970(1997).
[22] M SCHNURER, C SPIELMANN, P WOBRAUSCHEK. Coherent 0.5-keV X-ray emission from helium driven by a sub-10-fs laser. Physical Review Letters, 80, 3236-3239(1998).
[23] H MASHIKO, S GILBERTSON, M CHINI. Extreme ultraviolet supercontinua supporting pulse durations of less than one atomic unit of time. Optics Letters, 34, 3337-3339(2009).
[24] B SHAN, Z CHANG. Dramatic extension of the high-order harmonic cutoff by using a long-wavelength driving field. Physical Review A, 65, 011804(2001).
[25] H XIONG, H XU, Y FU. Generation of a coherent X ray in the water window region at 1 kHz repetition rate using a mid-infrared pump source. Optics Letters, 34, 1747-1749(2009).
[26] E J TAKAHASHI, T KANAI, K L ISHIKAWA. Coherent water window X ray by phase-matched high-order harmonic generation in neutral media. Physical Review Letters, 101, 253901(2008).
[27] M CHEN, P ARPIN, T POPMINTCHEV. Bright, coherent, ultrafast soft X-ray harmonics spanning the water window from a tabletop light source. Physical Review Letters, 105, 173901(2010).
[28] T POPMINTCHEV, M CHEN, D POPMINTCHEV. Bright coherent ultrahigh harmonics in the keV X-ray regime from mid-infrared femtosecond lasers. Science, 336, 1287(2012).
[29] S KAZAMIAS, D DOUILLET, F WEIHE. Global optimization of high harmonic generation. Physical Review Letters, 90, 193901(2003).
[30] M B GAARDE, J L TATE, K J SCHAFER. Macroscopic aspects of attosecond pulse generation. Journal of Physics B Atomic Molecular & Optical Physics, 41, 132001(2008).
[31] M LEWENSTEIN, P SALIERES, A L’HUILLIER. Phase of the atomic polarization in high-order harmonic generation. Physical Review A, 52, 4747-4754(1996).
[32] S KAZAMIAS, S DABOUSSI, O GUILBAUD. Pressure-induced phase matching in high-order harmonic generation. Physical Review A, 83, 063405(2011).
[33] M SCHNURER, Z CHENG, M HENTSCHEL. Absorption-limited generation of coherent ultrashort soft-X-ray pulses. Physical Review Letters, 83, 722-725(1999).
[34] A RUNDQUIST, C G DURFEE, Z CHANG. Phase-matched generation of coherent soft X-rays. Science, 280, 1412-1415(1998).
[35] Y TAMAKI, J ITATANI, Y NAGATA. Highly efficient, phase-matched high-harmonic generation by a self-guided laser beam. Physical Review Letters, 82, 1422-1425(1999).
[36] Y TAMAKI, Y NAGATA, M OBARA. Phase-matched high-order-harmonic generation in a gas-filled hollow fiber. Physical Review A, 59, 4041-4044(1999).
[37] A PAUL, R A BARTELS, R TOBEY. Quasi phase matched generation of coherent extreme-ultraviolet light. Nature, 421, 51-54(2003).
[38] E A GIBASON, A PAUL, N WAGNER. Coherent soft X-ray generation in the water window with quasi-phase matching. Science, 302, 95-98(2003).
[39] E J TAKAHASHI, T KANAI, K L ISHIKAWA. Dramatic enhancement of high-order harmonic generation. Physical Review Letters, 99, 053904(2007).
[40] S WATANABE, K KONDO, Y NABEKAWA. Two-color phase control in tunneling ionization and harmonic generation by a strong laser field and its third harmonic. Physical Review Letters, 73, 2692(1994).
[41] X TONG, S CHU. Generation of circularly polarized multiple high-order harmonic emission from two-color crossed laser beams. Physical Review A, 58, 2656-2659(1998).
[42] J SERES, E SERES, D HOCHHAUS. Laser–driven amplification of soft X–rays by parametric stimulated emission in neutral gases. Nature Physics, 6, 455-461(2010).
[43] C SERRAT. Coherent extreme ultraviolet light amplification by strong–field–enhanced forward scattering. Physical Review Letters, 111, 133902(2013).
[44] C SERRAT, J SERES, E SERES. Parametric attosecond pulse amplification far from the ionization threshold from high order harmonic generation in He+. Optics Express, 28, 24243(2020).
[45] F QUERE, C THAURY, P MONOT. Coherent wake emission of high-order harmonics from overdense plasmas. Physical Review Letters, 96, 125004(2006).
[46] R LICHTERS, J MEYERTERVEHN, A PUKHOV. Short-pulse laser harmonics from oscillating plasma surfaces driven at relativistic intensity. Physics of Plasmas, 3, 3425-3437(1996).
[47] A PUKHOV, D BRUGGE, I KOSTYUKOV. Relativistic laser plasmas for electron acceleration and short wavelength radiation generation. Plasma Physics & Controlled Fusion, 52, 191-223(2010).
[48] B DROMEY, S RYKOVANOV, M YEUNG. Coherent synchrotron emission from electron nanobunches formed in relativistic laser-plasma interactions. Nature Physics, 8, 804-808(2012).
[49] B DROMEY, S COUSENS, S RYKOVANOV. Coherent synchrotron emission in transmission from ultrathin relativistic laser plasmas. New Journal of Physics, 15, 015025(2013).
[50] S GHIMIRE, A D DICHIARA, E SISTRUNK. Observation of high-order harmonic generation in a bulk crystal. Nature Physics, 7, 138-141(2011).
[51] M GARG, S Y KRUCHININ. Extreme ultraviolet high-harmonic spectroscopy of solids. Nature, 521, 498-502(2015).
[52] G NDABASHIMIYE, S GHIMIRE, M WU. Solid-state harmonics beyond the atomic limit. Nature, 534, 520-523(2016).
[53] Y S YOU, D A REIS, S GHIMIRE. Anisotropic high-harmonic generation in bulk crystals. Nature Physics, 13, 345-349(2017).
[54] N YOSHIKAWA, T TAMAYA, K TANAKA. High-harmonic generation in graphene enhanced by elliptically polarized light excitation. Science, 356, 736-738(2017).
[55] H LIU, Y LI, Y YOU. High-harmonic generation from an atomically thin semiconductor. Nature Physics, 13, 262-265(2016).
[56] Y YOU, Y YIN, Y WU. High-harmonic generation in amorphous solids. Nature Communications, 8, 724(2017).
[57] S GHIMIRE, D A REIS. High-harmonic generation from solids. Nature Physics, 15, 10-16(2019).
[58] J LI, J LU, A CHEW. Attosecond science based on high harmonic generation from gases and solids. Nature Communications, 11, 2748(2020).
[59] J LU, E F CUNNINGHAM, Y YOU. Interferometry of dipole phase in high harmonics from solids. Nature Photonics, 13, 96-100(2019).
[60] R KIENBERGER, E GOULIELMAKIS, M UIBERACKER. Atomic transient recorder. Nature, 427, 817(2004).
[61] G SANSONE, E BENEDETTI, F CALEGARI. Isolated single-cycle attosecond pulses. Science, 314, 443(2006).
[62] E GOULIELMAKIS, M SCHULTZE, M HOFSTETTER. Single-cycle nonlinear optics. Science, 320, 1614-1617(2008).
[63] K ZHAO, Q ZHANG, M CHINI. Tailoring a 67 attosecond pulse through advantageous phase-mismatch. Optics Letters, 37, 3891(2012).
[64] J LI, X REN, Y YIN. 53-attosecond X-ray pulses reach the carbon K-edge. Nature Communications, 8, 186(2017).
[65] T GAUMNITZ, A JAIN, Y PERTOT. Streaking of 43-attosecond soft-X-ray pulses generated by a passively CEP-stable mid-infrared driver. Optics Express, 25, 27506-27518(2017).
[66] M ZHAN, P YE, H TENG. Generation and measurement of isolated 160 attosecond XUV laser pulses at 82 eV. Chinese Physics Letters, 30, 093201(2013).
[67] X WANG, P XU, J LI. Isolated attosecond pulse with 159 as duration measured by home built attosecond streaking camera. Chinese Journal of Lasers, 47, 0415002(2020).
[68] Z YANG, W CAO, X CHEN. All-optical frequency-resolved optical gating for isolated attosecond pulse reconstruction. Optics Letters, 45, 567(2020).
[69] X WANG, L WANG, F XIAO. Generation of 88 as isolated attosecond pulses with double optical gating. Chinese Physics Letters, 37, 023201(2020).
[70] P ECKLE, A N PFEIFFER, C CIRELLI. Attosecond ionization and tunneling delay time measurements in helium. Science, 322, 1525(2008).
[71] M SCHULTZE, M FIESS, N KARPOWICZ. Delay in photoemission. Science, 328, 1658(2010).
[72] J DAHLSTROM, A L’HUILLIER, A MAQUET. Introduction to attosecond time-delays in photoionization. Journal of Physics B Atomic Molecular & Optical Physics, 45, 183001-183032(2012).
[73] F CALEGARI, D AYUSO, A TRABATTONI. Ultrafast electron dynamics in phenylalanine initiated by attosecond pulses. Science, 346, 336(2014).
[74] E GOULIELMAKIS, A WIRTH. Real-time observation of valence electron motion. Nature, 466, 739-743(2010).
[75] H WANG, M CHINI, S CHEN. Attosecond time-resolved autoionization of argon. Physical Review Letters, 105, 143002(2010).
[76] M CHINI, K ZHAO, Z CHANG. The generation, characterization and applications of broadband isolated attosecond pulses. Nature Photonics, 8, 79-80(2014).
[77] C M HEYL, C L ARNOLD, A COUAIRON. Introduction to macroscopic power scaling principles for high-order harmonic generation. Journal of Physics B, 50, 013001(2017).
[78] A BALTUSKA, T UDEM, M UIBERACKER. Attosecond control of electronic processes by intense light fields. Nature, 421, 611-615(2003).
[79] F KRAUSZ, M IVANOV. Attosecond physics. Reviews of Modern Physics, 81, 163-234(2009).
[80] I J SOLA, E MEVEL, L ELOUGA. Controlling attosecond electron dynamics by phase-stabilized polarization gating. Nature Physics, 2, 319-322(2006).
[81] U KELLER. Recent developments in compact ultrafast lasers. Nature, 424, 831-838(2003).
[82] J RAUSCHENBERGER, T FUJI. Carrier-envelope phase-stabilized amplifier system. Laser Physics Letters, 3, 37-42(2006).
[83] Y FU, E J TAKAHASHI, K MIDORIKAWA. Indirect high-bandwidth stabilization of carrier-envelope phase of a high-energy, low-repetition-rate laser. Optics Express, 24, 13276-13287(2016).
[84] T WITTING, F FRANK, W A OKELL. Sub-4-fs laser pulse characterization by spatially resolved spectral shearing interferometry and attosecond streaking. Journal of Physics B, 45, 074014(2012).
[85] H TIMMERS, M SABBAR, J HELLWAGNER. Polarization-assisted amplitude gating as a route to tunable, high-contrast attosecond pulses. Optica, 3, 707(2016).
[86] S G RYKOVNOV, M Geissler, J MEYER-TER-VEHN. Intense single attosecond pulses from surface harmonics using the polarization gating technique. New Journal of Physics, 10, 025025(2008).
[87] V T PLATONENKO, V V STRELKOV. Single attosecond soft-X-ray pulse generated with a limited laser beam. Journal of the Optical Society of America B, 16, 435-440(1999).
[88] B SHAN, S GHIMIRE, Z CHANG. Generation of the attosecond extreme ultraviolet supercontinuum by a polarization gating. Journal of Modern Optics, 52, 277(2005).
[89] Z CHANG. Single attosecond pulse and xuv supercontinuum in the high-order harmonic plateau. Physical Review A, 70, 628-628(2004).
[90] T PFEIFER, L GALLMANN, M J ABEL. Single attosecond pulse generation in the multicycle-driver regime by adding a weak second-harmonic field. Optics Letters, 31, 975-977(2006).
[91] M KAKU, Y OISHI, A SUDA. Generation of extreme ultraviolet continuum radiation driven by a sub-10-fs two-color field. Optics Express, 14, 7230-7237(2006).
[92] Z WANG, W HONG, Q ZHANG. Efficient generation of isolated attosecond pulses with high beam-quality by two-color Bessel-Gauss beams. Optics Letters, 37, 238-40(2012).
[93] P LAN, P LU, W CAO. Isolated sub-100-as pulse generation via controlling electron dynamics. Physical Review A, 76, 011402(2007).
[94] B ZENG, Y YU, W CHU. Generation of an intense single isolated attosecond pulse by use of two-colour waveform control. Journal of Physics B, 42, 145604(2009).
[95] E J TAKAHASHI, P LAN, O D MUECKE. Infrared two-color multicycle laser field synthesis for generating an intense attosecond pulse. Physical Review Letters, 104, 233901(2010).
[96] E J TAKAHASHI, P LAN, O D MUCKE. Attosecond nonlinear optics using gigawatt-scale isolated attosecond pulses. Nature Communications, 4, 2691(2013).
[97] W HONG, Y LI, P LU. Control of quantum paths in the multicycle regime and efficient broadband attosecond pulse generation. Journal of the Optical Society of America B, 25, 1684-1689(2008).
[98] Z ZENG, Y LENG, R LI. Electron quantum path tuning and isolated attosecond pulse emission driven by a waveform-controlled multi-cycle laser field. Journal of Physics B, 41, 215601(2008).
[99] H MASHIKO, S GILBERTSON, C LI. Double optical gating of high-order harmonic generation with carrier-envelope phase stabilized lasers. Physical Review Letters, 100, 103906(2008).
[100] H MASHIKO, M J BELL, A R BECK. Tunable frequency-controlled isolated attosecond pulses characterized by either 750 nm or 400 nm wavelength streak fields. Optics Express, 18, 25887-25895(2010).
[101] X FENG, S GILBERTSON, H MASHIKO. Generation of isolated attosecond pulses with 20 to 28 femtosecond lasers. Physical Review Letters, 103, 183901(2009).
[102] H VINCENTI, F QUERE. Attosecond lighthouses: how to use spatiotemporally coupled light fields to generate isolated attosecond pulses. Physical Review Letters, 108, 113904(2012).
[103] F SILVA, S M TEICHMANN, S L COUSIN. Spatiotemporal isolation of attosecond soft X-ray pulses in the water window. Nature Communications, 6611(6).
[104] C M HEYL, S N BENGTSSON, S CARLSTROM. Noncollinear optical gating. New Journal of Physics, 16, 052001(2014).
[105] J BERTRAND, H J WORNER, H C BANDULET. Ultrahigh-order wave mixing in noncollinear high harmonic generation. Physical Review Letters, 106, 023001(2011).
[106] M LOUISY, C L ARNOLD, M MIRANDA. Gating attosecond pulses in a noncollinear geometry. Optica, 2, 563(2015).
[107] S ZHONG, X HE, Y JIANG. Noncollinear gating for high-flux isolated-attosecond-pulse generation. Physics Review A, 93, 033854(2016).
[108] P LAN, P LU, C WEI. Attosecond ionization gating for isolated attosecond electron wave packet and broadband attosecond xuv pulses. Physics Review A, 76, 400-403(2007).
[109] A JULLIEN, T PFEIFER, M J ABEL. Ionization phase-match gating for wavelength-tunable isolated attosecond pulse generation. Applied Physics B, 93, 433-442(2008).
[110] M J ABEL, T PFEIFER, P M NAGEL. Isolated attosecond pulses from ionization gating of high-harmonic emission. Chemical Physics, 366, 9-14(2009).
[111] F FERRARI, F CALEGARI, M LUCCHINI. High-energy isolated attosecond pulses generated by above-saturation few-cycle fields. Nature Photonics, 4, 875-879(2010).
[112] N SAITO, N ISHII, T KANAI. Attosecond streaking measurement of extreme ultraviolet pulses using a long-wavelength electric field. Scientific Reports, 6, 35594(2016).
[113] J PUPEIKIS, P A CHEVREUIL, N BIGLER. Water window soft X-ray source enabled by 25-W few-cycle mid-IR OPCPA at 100 kHz. Optica, 7, 168(2020).
[114] H MASHIKO, K OGURI, T YAMAGUCHI. Petahertz optical drive with wide-bandgap semiconductor. Nature Physics, 12, 741-745(2016).
[115] D HYUK, K KYUNG, T KIM. Attosecond-chirp compensation with material dispersion to produce near transform-limited attosecond pulses. Journal of Physics B, 45, 74015-74015(2012).
[116] E J TAKAHASHI, H HASEGAWA, Y NABEKAWA. High-throughput, high-damage-threshold broadband beam splitter for high-order harmonics in the extreme-ultraviolet region. Optics Letters, 29, 507-509(2004).
[117] Y NABEKAWA, T SHIMIZU, Y FURUKAWA. Interferometry of attosecond pulse trains in the extreme ultraviolet wavelength region. Physical Review Letters, 102, 213904(2009).
[118] Y NABEKAWA, K MIDORIKAWA. Interferometric autocorrelation of an attosecond pulse train calculated using feasible formulae. New Journal of Physics, 10, 025034(2008).
[119] J PEATROSS, J L CHALOUPKA, D D MEYERHOFER. High-harmonic generation with an annular laser beam. Optics Letters, 19, 942(1994).
[120] K KIM, C KIM, M BAIK. Single sub-50-attosecond pulse generation from chirp-compensated harmonic radiation using material dispersion. Physics Review A, 69, 051805(2004).
[121] K KIM, K KANG, M PARK. Self-compression of attosecond high-order harmonic pulses. Physical Review Letters, 99, 223904(2007).
[122] Z CHANG. Compensating chirp of attosecond X-ray pulses by a neutral hydrogen gas. OSA Continuum, 2, 314(2019).
[123] M HOFSTETTER, M SCHULTZE, M FIESS. Attosecond dispersion control by extreme ultraviolet multilayer mirrors. Optics Express, 19, 1767-1776(2011).
[124] C BOURASSINBOUCHET, S ROSSI, J WANG. Shaping of single-cycle sub-50-attosecond pulses with multilayer mirrors. New Journal of Physics, 14, 023040(2012).
[125] A GUGGENMOS, R RAUHUT, M HOFSTETTER. Aperiodic CrSc multilayer mirrors for attosecond water window pulses. Optics Express, 21, 21728-21740(2013).
[126] Y ZHENG, Z ZENG, P ZOU. Dynamic chirp control and pulse compression for attosecond high-order harmonic emission. Physical Review Letters, 103, 043904(2009).
[127] M SCHULTZE, E GOULIELMAKIS. Versatile apparatus for attosecond metrology and spectroscopy. Review of Scientific Instruments, 81, 093103(2010).
[128] N PAPADOGIANNIS, B WITZEL, C KALPOUZOS. Observation of attosecond light localization in higher order harmonic generation. Physical Review Letters, 83, 4289(1999).
[129] P TZALLAS, D CHARALAMBIDIS. Direct observation of attosecond light bunching. Nature, 426, 267-271(2003).
[130] E J TAKAHASHI, P LAN, O D MUCKE. Attosecond nonlinear optics using gigawatt-scale isolated attosecond pulses. Nature Communications, 4, 1-9(2013).
[131] A SCRINZE, M GEISSLER, T BRABEC. Attosecond cross correlation technique. Physical Review Letters, 86, 412(2001).
[132] P M PAUL. Observation of a train of attosecond pulses from high harmonic generation. Science, 292, 1689-1692(2001).
[133] H G MULLER. Reconstruction of attosecond harmonic beating by interference of two-photon transitions. Applied Physics B, 74, 17-21(2002).
[134] M DRESCHER, M HENTSCHEL, R KIENBERGER. X-ray pulses approaching the attosecond frontier. Science, 291, 1923-1927(2001).
[135] J ITATANI, F QUERE, G L YUDIN. Attosecond streak camera. Physical Review Letters, 88, 173903(2002).
[136] Y MAIRESSE, F QUERE. Frequency-resolved optical gating for complete reconstruction of attosecond bursts. Physical Review A, 71, 1401(2005).
[137] M CHINI, S GILBERTSON, S D KHAN. Characterizing ultrabroadband attosecond lasers. Optics Express, 18, 13006(2010).
[138] N DUDOVICH, O SMIRNOVA, J LEVESQUE. Measuring and controlling the birth of attosecond XUV pulses. Nature Physics, 2, 781-786(2006).
[139] K KIM, C ZHANG, A D SHINER. Manipulation of quantum paths for space–time characterization of attosecond pulses. Nature Physics, 9, 159(2013).
[140] F QUERE, J ITATANI, G YUDIN. Attosecond spectral shearing interferometry. Physical Review Letters, 90, 073902(2003).
[141] J ROTHHARDT, S HADRICH, A KLENKE. 53 W average power few-cycle fiber laser system generating soft X rays up to the water window. Optics Letters, 39, 5224-5227(2014).
[142] N ISHII, K KANESHIMA, K KITANO. Carrier-envelope phase-dependent high harmonic generation in the water window using few-cycle infrared pulses. Nature Communications, 5, 3331(2014).
[143] F SILVA, S M TEICHMANN, S L COUSIN. Spatiotemporal isolation of attosecond soft X-ray pulses in the water window. Nature Communications, 6, 6611(2015).
[144] G J STEIN, P D KEATHLEY, P KROGEN. Water-window soft X-ray high-harmonic generation up to the nitrogen K-edge driven by a kHz, 2.1 μm OPCPA source. Journal of Physics B, 49, 155601(2016).
[145] S TEICHMANN, F SILVA, S COUSIN. 0.5-keV soft X-ray attosecond continua. Nature Communications, 7, 11493(2016).
[146] C VINCENT, B SCHMIDT, T NICOLAS. Self-channelled high harmonic generation of water window soft X-rays. Journal of Physics B, 51, 174004(2018).
[147] A S JOHNSON, D R AUSTIN, D A WOOD. High-flux soft X-ray harmonic generation from ionization-shaped few-cycle laser pulses. Science Advances, 4, 3761(2018).
[148] Y FU, K NISHIMURA, R SHAO. High efficiency ultrafast water-window harmonic generation for single-shot soft X-ray spectroscopy. Communications Physics, 3, 92(2020).
[149] Y FU, K MIDORIKAWA, E J TAKAHASHI. Towards a petawatt-class few-cycle infrared laser system via dual-chirped optical parametric amplification. Scientific Reports, 8, 7692(2018).
[150] Y FU, K MIDORIKAWA, E J TAKAHASHI. Dual-chirped optical parametric amplification: a method for generating super-intense mid-infrared few-cycle pulses. IEEE Journal of Selected Topics in Quantum Electronics, 25, 8800413(2019).
[151] Y FU, E J TAKAHASHI, K MIDORIKAWA. High-energy infrared femtosecond pulses generated by dual-chirped optical parametric amplification. Optics Letters, 40, 5082-5085(2015).
[152] Y FU, B XUE, E J TAKAHASHI, K MIDORIKAWA. TW-scale mid-infrared pulses near 3.3 μm directly generated by dual-chirped optical parametric amplification. Applied Physics Letters, 112, 241105(2018).
[153] J DURIS, S LI, T DRIIVER. Tunable isolated attosecond X-ray pulses with gigawatt peak power from a free-electron laser. Nature Photonics, 14, 30-36(2020).
[154] M T HASSAN, A MOULET. Optical attosecond pulses and tracking the nonlinear response of bound electrons. Nature, 530, 66(2016).
[155] K J YUAN, A D BANDRAUK. Single circularly polarized attosecond pulse generation by intense few cycle elliptically polarized laser pulses and terahertz fields from molecular media. Physical Review Letters, 110, 023003(2013).
[156] O KFIR, P GRYCHTOL, E TURGUT. Generation of bright phase-matched circularly-polarized extreme ultraviolet high harmonics. Nature Photonics, 9, 99-105(2014).
[157] K M DORNEY, J L ELLIS, C HERNANDEZ-GARCIA. Helicity-selective enhancement and polarization control of attosecond high harmonic waveforms driven by bichromatic circularly polarized laser fields. Physical Review Letters, 119, 063201(2017).
[158] D D HICKSTEIN, F J DOLLAR, P GRYCHTOL. Non-collinear generation of angularly isolated circularly polarized high harmonics. Nature Photonics, 9, 743-750(2015).
[159] P HUANG, C HERNANDEZGARCIA, J HUANG. Polarization control of isolated high-harmonic pulses. Nature Photonics, 12, 349-354(2018).
[160] G LAMBERT, B VODUNGBO, J GAUTIER. Towards enabling femtosecond helicity-dependent spectroscopy with high-harmonic sources. Nature Communications, 6, 6167(2015).
[161] M ZURCH, C KERN, P HANSINGER. Strong-field physics with singular light beams. Nature Physics, 8, 743-746(2012).
[162] X ZHANG, B SHEN, Y SHI. Generation of intense high-order vortex harmonics. Physical Review Letters, 114, 173901(2015).
[163] A DENOEUD, L CHOPINEAU. Interaction of ultraintense laser vortices with plasma mirrors. Physical Review Letters, 118, 033902(2017).
[164] J WANG, M ZEPF, S G RYKOVANOV. Intense attosecond pulses carrying orbital angular momentum using laser plasma interactions. Nature Communications, 10, 5554(2019).