All-optically induced quasi phase matching in SiN waveguides for second harmonic generation enhancement

Grassani, Davide; Billat, Adrien; Pfeiffer, Martin Hubert Peter; Kharitonov, Svyatoslav; Kippenberg, Tobias; Brès, Camille-Sophie

doi:10.1364/CLEO_SI.2017.SM1M.4

conference paper

All-optically induced quasi phase matching in SiN waveguides for second harmonic generation enhancement

Grassani, Davide

•

Billat, Adrien

•

Pfeiffer, Martin Hubert Peter

2017

CLEO: Science and Innovations 2017

CLEO 2017

We report more than 30dB second harmonic generation enhancement in SiN waveguide by all-optical writing of a persistent χ(2) grating. Phase matching peaks are observed for different writing wavelengths.