Department of Physics and Astronomy: Publications and Other Research
Date of this Version
8-2015
Citation
PHYSICAL REVIEW A 92, 023409 (2015)
Abstract
We derive an analytic expression for thewavelength scaling of the high-order-harmonic generation (HHG) yield induced by midinfrared driving laser fields. 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 confirmed by comparison with results of numerical solutions of the time-dependent Schr¨odinger equation for wavelengths in the range of 1.4 μm ≤ λ ≤ 4 μm. We verify the wavelength scaling of the HHG yield found numerically for midinfrared laser fields in a recent paper by Le et al. [
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Comments
Copyright © 2015 American Physical Society. Used by permission.