Cascaded third harmonic generation in lithium niobate nanowaveguides
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 i...
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| Veröffentlicht in: | Applied physics letters 2011-06, Vol.98 (23), p.231110-231110-3 |
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| Hauptverfasser: | , , , , , , |
| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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| Zusammenfassung: | 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. |
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| ISSN: | 0003-6951 1077-3118 |
| DOI: | 10.1063/1.3597627 |