Scaling laws for high-order-harmonic generation with midinfrared laser pulses

Prof. Mikhail Frolov

Department of Physics, Voronezh State University, Russia

地点: 物理楼西412

时间: 9月24日 (星期四) 上午09:20-10:20

Abstract

An analytic expression for the wavelength scaling of the high-order-harmonic generation (HHG) yield induced by midinfrared driving laser fields is derived and discussed. It is based on a quasiclassical description of the returning electron wave packet, which is shown to be largely independent of atomic properties. The accuracy of this analytic expression is examined by comparison with results of numerical solutions of the time-dependent Schrodinger equation for wavelengths in the range of 1.4μm≤λ≤4μm. The wavelength scaling of the HHG yield found numerically for midinfrared laser fields in a recent paper by Le et al. [Phys.Rev.Lett.113, 033001 (2014)] is also discussed.

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