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

M. V. FrolovDepartment of Physics, Voronezh State University, Voronezh 394006, RussiaN. L. ManakovDepartment of Physics, Voronezh State University, Voronezh 394006, RussiaWei-Hao XiongDepartment of Physics, State Key Laboratory for Mesoscopic Physics, Peking University, Beijing 100871, ChinaLiang-You PengCollaborative Innovation Center of Quantum Matter, Beijing 100871, ChinaJoachim BurgdörferInstitute for Theoretical Physics, Vienna University of Technology, Wiedner Hauptstraße 8-10, A-1040 Vienna, Austria, EUAnthony F. StaraceDepartment of Physics and Astronomy, The University of Nebraska, Lincoln, Nebraska 68588-0299, USA

2015en

ABI

Annotatsiya

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 Schr\"odinger equation for wavelengths in the range of $1.4\phantom{\rule{0.28em}{0ex}}\ensuremath{\mu}\mathrm{m}\ensuremath{\leqslant}\ensuremath{\lambda}\ensuremath{\leqslant}4\phantom{\rule{0.28em}{0ex}}\ensuremath{\mu}\mathrm{m}$. 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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Identifikatorlar

DOI: 10.1103/physreva.92.023409

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