Role of Bloch oscillation in high-order harmonic generation from periodic structure<xref rid="cpb_28_11_114205fn1" ref-type="fn">*</xref><fn id="cpb_28_11_114205fn1"><label>*</label><p>Project supported by the NSAF, China (Grant No. U1730449) and the National Natural Science Foundation of China (Grant Nos. 11904341, 11774322, 91850201, and 11874066).</p></fn>

Role of Bloch oscillation in high-order harmonic generation from periodic structure**

Project supported by the NSAF, China (Grant No. U1730449) and the National Natural Science Foundation of China (Grant Nos. 11904341, 11774322, 91850201, and 11874066).

Liu Lu¹, Zhao Jing², Yuan Jian-Min^{1, 2}, Zhao Zeng-Xiu^{2, †}

(a) The classical trajectories of electrons (solid lines) and holes (dashed lines) created at t₁ = −0.5T (black lines) and t₂ = 0 (red lines). The inset shows the electron energies corresponding to the ionization time (the green circles) and the recollision time (the blue diamonds) obtained from the classical analysis. (b) The harmonic cut-off linear laws of the first plateau, which are obtained from the SBEs calculation (black circles) and the recollision model (red squares).