[1] WANG Ch, LIU H L, TIAN J Sh, et al. Analysis of intrinsic atomic phase in process of extreme ultraviolet attosecond pulse generation[J]. Laser Technology, 2012, 36(3):342-345(in Chinese).
[2] UIBERACKER M, UPHUES T, SCHULTZE M, et al. Attosecond real-time observation of electron tunnelling in atoms[J]. Nature, 2007, 446(7136):627-632. doi: 10.1038/nature05648
[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] WANG Ch, KANG Y F, TIAN J Sh, et al. Analysis of phase dependence of the two single-attosecond-pulse generation techniques[J]. Laser Technology, 2012, 36(4):516-519(in Chinese).
[5] 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
[6] CHANG Z H. Chirp of the single attosecond pulse generated by a polarization gating[J]. Physical Review, 2005, A71(2):023813.
[7] 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
[8] LOUIY M, ARNOLD C L, MIRANDA M, et al. Gating attosecond pulses in a noncollinear geometry[J]. Optica, 2015, 2(6):563-566. doi: 10.1364/OPTICA.2.000563
[9] ZENG Z, CHENG Y, SONG X, et al. Generation of an extreme ultraviolet supercontinuum in a two-color laser field[J]. Physical Review Letters, 2007, 98(20):203901. doi: 10.1103/PhysRevLett.98.203901
[10] LU R F, HE H X, GUO Y H, et al. Theoretical study of single attosecond pulse generation with a three-colour laser field[J]. Journal of Physics, 2009, B42(22):225601.
[11] FENG L Q, CHU T S. Generation of an isolated sub-40as pulse using two-color laser pulses:Combined chirp effects[J]. Physical Review, 2011, A84(5):053853.
[12] LI P C, LAUGHLIN C, CHU S I. Generation of isolated sub-20-attosecond pulses from He atoms by two-color midinfrared laser fields[J]. Physical Review, 2014, A89(2):023431.
[13] FENG L Q, LIU H. Unipolar pulse assisted generation of the coherent XUV pulses[J]. Optics Communications, 2015, 348(8):1-6.
[14] 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
[15] SHAARAN T, CIAPPINAM F, LEWENSTEIN M. Quantum-orbit analysis of high-order-harmonic generation by resonant plasmon field enhancement[J]. Physical Review, 2012, A86(2):023408.
[16] ZHANG G T, LIU X S. Generation of an extreme ultraviolet supercontinuum and isolated sub-50as pulse in a two-colour laser field[J]. Journal of Physics, 2009, B42(12):125603.
[17] FENG L Q, CHU T S. Intensity improvement in the attosecond pulse generation with the coherent superposition initial state[J]. Physics Letters, 2012, A376(17):1523-1530.
[18] ISHIKAWA K. Photoemission and ionization of He+ under simultaneous irradiation of fundamental laser and high-order harmonic pulses[J]. Physical Review Letters, 2003, 91(4):043002. doi: 10.1103/PhysRevLett.91.043002
[19] LI P C, ZHOU X X, WANG G L, et al. Isolated sub-30as pulse generation of an He+ ion by an intense few-cycle chirped laser and its high-order harmonic pulses[J]. Physical Review, 2009, A80(5):053825.
[20] DU H C, WANG H Q, HU B T. Isolated short attosecond pulse generated using a two-color laser and a high-order pulse[J]. Physical Review, 2010, A81(6):063813.
[21] FENG L Q, LIU H. Ultraviolet source assisted enhancement of attosecond pulse[J]. Chinese Journal of Chemical Physics, 2015, 28(1):21-26.
[22] WEI P F, MIAO J, ZENG Z N, et al. Selective enhancement of a single harmonic emission in a driving laser field with subcycle waveform control[J]. Physical Review Letters, 2013, 110(23):233903. doi: 10.1103/PhysRevLett.110.233903
[23] WEI P F, ZENG Z N, JIANG J M, et al. Selective generation of an intense single harmonic from a long gas cell with loosely focusing optics based on a three-color laser field[J].Applied Physics Letters, 2014, 104(15):151101. doi: 10.1063/1.4871513
[24] WANG X, JIN C, LIN C D. Coherent control of high-harmonic generation using waveform-synthesized chirped laser fields[J]. Physical Review, 2014, A90(2):023416.
[25] LARA-ASTIASO M, SILVA R E F, GUBAYDULLIN A, et al. Enhancing high-order harmonic generation in light molecules by using chirped pulses[J]. Physical Review Letters, 2016, 117(9):093003. doi: 10.1103/PhysRevLett.117.093003
[26] 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.
[27] BURNETT K, REED V C, COOPER J, et al. Calculation of the background emitted during high-harmonic generation[J]. Physical Review, 1992, A45(5):3347-3349.
[28] 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.