Near-infrared III-nitride-on-silicon nanophotonic platform with microdisk resonators
- Roland, I.
- Zeng, Y.
- Checoury, X.
- El Kurdi, M.
- Sauvage, S.
- Brimont, Christelle
- GUILLET, Thierry
- Gayral, B.
- Gromovyi, M.
- Duboz, J. y.
- Semond, F.
- De micheli, M. p.
- Boucaud, P.
DOIAbstract
International audienceWe have developed a nanophotonic platform with microdisks using epitaxial III-nitride materials on silicon. The two-dimensional platform consists of suspended waveguides and mushroom-type microdisks as resonators side-coupled with a bus waveguide. Loaded quality factors up to 80000 have been obtained in the near-infrared spectral range for microdisk diameters between 8 and 15 μm. We analyze the dependence of the quality factors as a function of coupling efficiency. We have performed continuous-wave second harmonic generation experiments in resonance with the whispering gallery modes supported by the microdisks
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