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Cascaded third harmonic generation in lithium niobate nanowaveguides

Solntsev, Alexander S.; Sukhorukov, Andrey A.; Neshev, Dragomir N.; Iliew, Rumen; Geiss, Reinhard; Pertsch, Thomas; Kivshar, Yuri S.


We predict highly efficient third harmonic generation through simultaneous phase-matching of second-harmonic generation and sum-frequency generation in lithium niobate nanowaveguides, enabled due to strong modal dispersion. We demonstrate that the waveguide size which corresponds to phase-matching is also optimal for highest mode confinement and therefore for strongly enhanced conversion efficiency.

CollectionsANU Research Publications
Date published: 2011-06-09
Type: Journal article
Source: Applied Physics Letters
DOI: 10.1063/1.3597627


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