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The effects of signal modulations on the molecular high-order harmonic generations in $$\hbox {H}_{2}^{+ }$$ H2+ and $$\hbox {T}_{2}^{+}$$ T2+ have been theoretically investigated. It is found that with the introduction of the XUV pulse, due to the absorption of the extra XUV photons in the recombination process, multiplateaus on the harmonic spectra, separated by the XUV photon energy can be found...
Attosecond-resolution molecular high-order harmonic generation (MHHG) and isolated attosecond pulse generation (IAP) from H2+ has been theoretically investigated through solving the Non-Bohn-Oppenheimer (NBO) time-dependent Schrödinger equation (TDSE). Results show that the harmonic spectra present the asymmetric distribution to the two H nuclei. Particularly, when the laser field is larger than zero...
The harmonic emission of the asymmetric charged molecule HeH 2+ ion is theoretically investigated by solving the one-dimensional-time-dependent Schrödinger equation. Results show that the laser-induced electron transfer process between the vibrational state and the ground electronic state is responsible for the resonant peak on the harmonic spectrum, and that the two ionization...
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