[1] SANSONE G, BENEDETTI E, CALEGARI F, et al. Isolated single-cycle attosecond pulses[J]. Science, 2006, 314(5798): 443-446. doi: 10.1126/science.1132838
[2] LIU H, LI Y, YAO Z, et al. Study on harmonic cutoff energy and intensity under the control of chirped laser[J]. Laser Technology, 2017, 41(5): 708-711 (in Chinese).
[3] GOULIELMAKIS E, SCHULTZE M, HOFSTETTER M, et al. Single-cycle nonlinear optics[J]. Science, 2008, 320(5883): 1614-1617. doi: 10.1126/science.1157846
[4] CORKUM P B. Plasma perspective on strong field multiphoton ionization[J]. Physical Review Letters, 1993, 71(13): 1994-1997. doi: 10.1103/PhysRevLett.71.1994
[5] LEWENSTEIN M, BALCOU P, IVANOV M Y, et al. Theory of high-harmonic generation by low-frequency laser fields[J]. Physical Review, 1994, A49(3): 2117-2132.
[6] STEELKOV V V, STERJANTOV A F, SHUBIN N Y, et al. XUV generation with several-cycle laser pulse in barrier-suppression regime[J]. Journal of Physics, 2006, B39(3): 577-590.
[7] LIU H, FENG L Q. Mid-infrared field phase measurement and attosecond pulse generation[J]. Laser Technology, 2017, 41(2): 151-158 (in Chinese).
[8] LIU H, FENG L Q. Harmonic emission spectra and attosecond pulse generation from helium atomdriven by the mid-infrared nonhomogeneous field[J]. Spectroscopy Letters, 2017, 50(5): 289-297. doi: 10.1080/00387010.2017.1322987
[9] LIU Sh Sh, MIAO X Y. Enhancement of high-order harmonic emi-ssion by using a coherent superposition in a two-color laser field[J]. Journal of Atomic and Molecular Physics, 2012, 29(5): 881-885 (in Chinese).
[10] FENG L Q, CHU T S. Generation of an isolated sub-40-as pulse us-ing two-color laser pulses: Combined chirp effects[J]. Physical Review, 2011, A84(5): 053853.
[11] YUAN K J, BANDRAUK A D. Single circularly polarized attose-cond pulse generation by intense few cycle elliptically polarized laser pulses and terahertz fields from molecular media[J]. Physical Review Letters, 2013, 110(2): 023003. doi: 10.1103/PhysRevLett.110.023003
[12] KIM S, JIN J, KIM Y J, et al. High-harmonic generation by resonant plasmon field enhancement[J]. Nature, 2008, 453(7196): 757-760. doi: 10.1038/nature07012
[13] YAVUZ I, BLEDA E A, ALTUN Z, et al. Generation of a broadband xuv continuum in high-order-harmonic generation by spatially inhomogeneous fields[J]. Physical Review, 2012, A85(1): 013416.
[14] CAO X, JIANG S, YU C, et al. Generation of isolated sub-10-attosecond pulses in spatially inhomogenous two-color fields[J]. Optics Express, 2014, 22(21): 26153-26161. doi: 10.1364/OE.22.026153
[15] SIVIS M, DUWE M, ABEL B, et al. Extreme-ultraviolet light ge-neration in plasmonic nanostructures[J]. Nature Physics, 2013, 9(5): 304-309. doi: 10.1038/nphys2590
[16] FENG L Q. Molecular harmonic extension and enhancement from H2+ ions in the presence of spatially inhomogeneous fields[J]. Physical Review, 2015, A92(5): 053832.
[17] LU R F, ZHANG P Y, HAN K L. Attosecond-resolution quantum dynamics calculations for atoms and molecules in strong laser fields[J]. Physical Review, 2008, E77(6): 066701.
[18] HU J, HAN K L, HE G Z. Correlation quantum dynamics between an electron and D2+ molecule with attosecond resolution[J]. Physical Review Letters, 2005, 95(12): 123001. doi: 10.1103/PhysRevLett.95.123001
[19] FENG L Q, LIU H, LIU H. Spatial distribution of H2+ radiation harmonics in spatial homogeneous and inhomogeneous fields[J]. Laser Technology, 2017, 41(4): 467-472 (in Chinese).
[20] ANTOINE P, PIRAUX B, MAQUET A. Time profile of harmonics generated by a single atom in a strong electromagnetic field[J]. Physical Review, 1995, A51(3): R1750-R1753.
[21] LIU H, LI W L, FENG L Q. Chirp control of multi-photon resonance ionization and charge resonance enhanced ionization on mole-cular harmonic generation[J]. Chemical Physics Letters, 2017, 676: 118-123. doi: 10.1016/j.cplett.2017.03.049
[22] LIU H, FENG L Q, LI W L, et al. Spatial position scaling on harmonic generation from He atom in bowtie shaped nanostructure[J]. Optics Communications, 2017, 398: 31-38. doi: 10.1016/j.optcom.2017.04.031