Polarization of THz radiation generated during two-color filamentation of arbitrarily polarized laser pulses

V. A. Andreeva, M. N. Esaulkov, N. A. Panov, P. M. Solyankin, V. A. Makarov, D. E. Shipilo, A. P. Shkurinov, O. G. Kosareva, S. L. Chin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We examined experimentally and theoretically polarization of THz radiation generated during dual-color (800nm+400nm) co-propagation of high-peak-power femtosecond laser pulses in gases. We reveal that THz radiation polarization is predominantly defined by the generation of the nonlinear photocurrent in the self-induced laser plasma and remains relatively stable with respect to the change of the initial polarization angle between the 800 nm and 400 nm light fields.

Original languageEnglish (US)
Title of host publicationProceedings - 2016 International Conference Laser Optics, LO 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
PagesR817
ISBN (Electronic)9781467397353
DOIs
StatePublished - Aug 23 2016
Event2016 International Conference Laser Optics, LO 2016 - St. Petersburg, Russian Federation
Duration: Jun 27 2016Jul 1 2016

Publication series

NameProceedings - 2016 International Conference Laser Optics, LO 2016

Other

Other2016 International Conference Laser Optics, LO 2016
CountryRussian Federation
CitySt. Petersburg
Period6/27/167/1/16

Keywords

  • THz radiation
  • filamentation
  • four-wave mixing
  • polarization

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