Quantum path control and isolated attosecond pulse generation in the combination of near-infrared and terahertz pulses*
Zhong Hui-Ying, Guo Jing†, Zhang Hong-Dan, Du Hui, Liu Xue-Shen‡
       
(a) A 800-nm fundamental laser field only (black dotted curve) and a 800-nm fundamental laser field combined with a THz field (red solid curve). (b) The corresponding acceleration form power spectra in a 800-nm fundamental laser field only and a 800-nm fundamental laser field combined with a THz field, respectively.