Journal
PHYSICAL REVIEW A
Volume 92, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.92.023409
Keywords
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Funding
- National Science Foundation (NSF) [PHY11-25915]
- Russian Science Foundation [15-12-10033]
- RFBR [13-02-00420]
- RF Ministry of Education Science [1019]
- NSF [PHY12-08059]
- National Natural Science Foundation of China (NNSFC) [11322437, 11121091]
- National Basic Research Program of China (973 Program) [2013CB922402]
- FWF, Austria [SFB-049 NEXTLITE]
- Russian Science Foundation [15-12-10033] Funding Source: Russian Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [1208059] Funding Source: National Science Foundation
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We derive an analytic expression for the wavelength 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 Schrodinger equation for wavelengths in the range of 1.4 mu m <= lambda <= 4 mu m. We verify 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)].
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