Energy exchange between two orthogonally polarized waves by cascading of two quasi-phase-matched quadratic processes

Benjamin F. Johnston*, Peter Dekker, Solomon M. Saltiel, Yuri S. Kivshar, Michael J. Withford

*Corresponding author for this work

Research output: Contribution to journalArticle

5 Citations (Scopus)
2 Downloads (Pure)

Abstract

We demonstrate energy exchange between two orthogonally polarized optical waves as a consequence of a two-color multistep parametric interaction. The energy exchange results from cascading of two quasi-phase-matched (QPM) second-harmonic parametric processes, and it is intrinsically instantaneous. The effect is observed when both the type-I (ooe) second-harmonic generation process and higher QPM order type-0 (eee) second-harmonic generation processes are phase-matched simultaneously in a congruent periodically-poled lithium niobate crystal. The two second-harmonic generation processes share a common second-harmonic wave which couple the two cross-polarized fundamental components and facilitate an energy flow between them. We demonstrate a good agreement between the experimental data and the results of numerical simulations.

Original languageEnglish
Pages (from-to)13630-13639
Number of pages10
JournalOptics Express
Volume15
Issue number21
DOIs
Publication statusPublished - 17 Oct 2007

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