Harmonic generation from nanorings driven by a two-color laser field

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10 Citazioni (Scopus)

Abstract

We study the high harmonic generation and the polarization of the harmonics emitted by a nanoring driven by two laser fields of angular frequency ω1 and ω2, with ω2 = 2ω1, and ω1 resonant between the ground and the first excited state. We show that by varying parameters, such as laser intensity, photon energy and the delay between the two laser pulses, we can control the number of harmonics and the polarization of the radiation. In particular we show that with this choice of two-laser photon frequency rate we obtain more harmonics with respect to other configurations. We also calculated the average absorbed energy and the average angular momentum acquired by the electron as a function of the intensity of the two lasers obtaining spikes of angular momentum.
Lingua originaleEnglish
Numero di pagine6
RivistaLaser Physics Letters
Volume11
Stato di pubblicazionePublished - 2014

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Physics and Astronomy (miscellaneous)

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