Third-harmonic generation via nonlinear Raman-Nath diffraction in nonlinear photonic crystal

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

Research output: Contribution to journalArticlepeer-review

Abstract

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.

Original languageEnglish
Pages (from-to)3266-3268
Number of pages3
JournalOptics Letters
Volume36
Issue number16
DOIs
StatePublished - 15 Aug 2011

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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