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, †}

The cut-off energy of the second plateau, which is linearly rising along with the increase of the field strength from 0.007 a.u. to 0.012 a.u.