High harmonic generation with fully tunable polarization by train of linearly polarized pulses

Ofer Neufeld*, Eliyahu Bordo, Avner Fleischer, Oren Cohen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

We propose and demonstrate, analytically and numerically, a scheme for generation of high-order harmonics with fully tunable polarization, from circular through elliptic to linear, while barely changing the other properties of the high harmonic radiation and where the ellipticity values of all the harmonic orders essentially coincide. The high harmonics are driven by a train of quasi-monochromatic linearly polarized pulses that are identical except for their polarization angles, which is the tuning knob. This system gives rise to full control over the polarization of the harmonics while largely preserving the single-cycle, single-atom and macroscopic physics of 'ordinary' high harmonic generation, where both the driver and high harmonics are linearly polarized.

Original languageEnglish
Article number023051
JournalNew Journal of Physics
Volume19
Issue number2
DOIs
StatePublished - Feb 2017
Externally publishedYes

Keywords

  • circularly polarized extreme UV
  • dynamical symmetry
  • high harmonic generation

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