Fig. 1. Electric field and vector potential of laser field at I=2.0×1014W/cm2, λ=800 nm, φ=0 and τ=10T

Fig. 2. 2D photoelectron momentum spectra of H atom caused by EWP interferences from different time windows at I=2.0×1014W/cm2, λ=800 nm, φ=0 and τ=10T. (a) Windows A and C; (b) windows A and B; (c) windows B and C; (d) windows A, B and C

Fig. 3. Photoelectron energy spectra caused by EWP interferences at I=2.0×1014W/cm2, λ=800 nm, φ=0 and τ=10T. (a) Intracycle interference; (b) intercycle interference; (c) interplay of intercycle and intracycle interferences

Fig. 4. 2D photoelectron momentum spectra based on TDSE at I=2.0×1014W/cm2, λ=800 nm and φ=0.5π.(a) 2 cycles; (b) 4 cycles; (c) 8 cycles

Fig. 5. Photoelectron energy spectra based on TDSE at I=2.0×1014W/cm2, λ=800 nm and φ=0.5π.(a) 2 cycles; (b) 4 cycles; (c) 8 cycles

Fig. 6. 2D photoelectron momentum spectra of H atom at γ=1.1. (a) Standard TDSE result at λ=1200 nm; (b) TDSE result at λ=1200 nm and rc=5; (c) TDSE result at λ=1200 nm and rc=2; (d) standard TDSE result at λ=600 nm