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Energy exchange between orthogonally polarized waves by cascaded quasi-phase-matched processes

Johnston, Benjamin F; Dekker, Peter; Saltiel, Solomon; Withford, Michael; Kivshar, Yuri


By identifying appropriate quasi-phase-matching (QPM) conditions in z-cut congruent lithium niobata, we demonstrate simultaneous QPM of type-I (ooe) and higher order type-0 (eee) second-harmonic-generation, which share a common second harmonic wave. We demonstrate this experimentally at 1064nm, and show that cascading between these processes occurs. The cascading can result in energy exchange between the cross-polarized fundamentals, indicative of an equivalent 3rd order process. The nonlinear...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Proceedings of SPIE - Progress in Biomedical Optics and Imaging
DOI: 10.1117/12.759753


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