By preparing the initial state on the superposition of the ground state and the 6th-excited state equally, we get HHG spectra that the powers are promoted for different harmonics.

• 通过计算初态为基态与第六激发态的迭加态的原子的谐波发射谱，我们发现所选迭加态中含有的激发态不同，发射功率得到提高的波次也不同。