Selection of quantum path in high-order harmonics and isolated sub-100 attosecond generation in few-cycle spatially inhomogeneous laser fields<xref ref-type="fn" rid="cpb141972fn1">*</xref>

Selection of quantum path in high-order harmonics and isolated sub-100 attosecond generation in few-cycle spatially inhomogeneous laser fields*

Ge Xin-Lei, Du Hui, Wang Qun, Guo Jing†, Liu Xue-Shen‡

Harmonic spectrum of molecule generated by a 15-fs, 1600-nm laser pulse with the peak intensity I = 4 × 10¹⁴ W/cm². The solid red curve: ε = 0 a.u. (homogeneous case). The dashed green curve: ε = 0.0005 a.u. The dotted blue curve: ε = 0.0015 a.u.