THz wave emission from argon in two-color laser field |
The THz emission spectra obtained from the whole wave function (solid line) and the continuum wave function only (dash–dotted line) for the phase difference with (a) φ = 0, (b) φ = 0.5 π , (c) φ = 0.8 π , respectively and the ratio of the mixing laser amplitude α = 0.3. |