13 May 2016 Periodically poled LiNbO3 ridge waveguides on silicon for second-harmonic generation
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Abstract
Nonlinear periodically poled ridge LiNbO3 waveguides have been fabricated on silicon substrates. Components are micromachined with a precision dicing machine and/or by grinding or polishing steps. They show efficient second harmonic generation at telecommunication wavelengths with normalized conversion reaching 600%/W in a 20mm long device. Influence of geometrical non uniformities of waveguides due to fabrication process is asserted. Components characteristics are studied notably their robustness and tunability versus temperature.
Conference Presentation
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Mathieu Chauvet, Fabien Henrot, Ludovic Gauthier-Manuel, Fabrice Devaux, Vincent Pêcheur, Hervé Maillotte, Florent Bassignot, Brahim Dahmani, "Periodically poled LiNbO3 ridge waveguides on silicon for second-harmonic generation", Proc. SPIE 9891, Silicon Photonics and Photonic Integrated Circuits V, 98910S (13 May 2016); doi: 10.1117/12.2228083; https://doi.org/10.1117/12.2228083
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