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 temporal population of electron in CB in momentum space from −1.5T to 1.5T, when E₀ = 0.012 a.u. The zone in black dashed box is amplified in (b). (c), (d) The time–frequency analysis of harmonics from 50^th order to 250^th order with E₀ = 0.012 a.u. in Fig. 3.