Third-harmonic generation via nonlinear Raman-Nath diffraction in nonlinear photonic crystal. Academic Article uri icon


  • We report on the observation of multiple third-harmonic conical waves generated in an annular periodically poled nonlinear photonic crystal. We show that the conical beams are formed as a result of the cascading effect involving two parametric processes that satisfy either the transverse and/or longitudinal phase-patching conditions. This is the first experimental observation of third-harmonic generation based on nonlinear Raman-Nath diffraction.

published proceedings

  • Opt Lett

author list (cited authors)

  • Sheng, Y., Wang, W., Shiloh, R., Roppo, V., Arie, A., & Krolikowski, W.

citation count

  • 19

complete list of authors

  • Sheng, Yan||Wang, Wenjie||Shiloh, Roy||Roppo, Vito||Arie, Ady||Krolikowski, Wieslaw

publication date

  • August 2011