On the origin of second harmonic generation in silicon waveguides with silicon nitride cladding

C. Castellan, A. Trenti, C. Vecchi, A. Marchesini, M. Mancinelli, M. Ghulinyan, G. Pucker and L. Pavesi

Scientific Reports volume 9, Article number: 1088 (2019)

DOI: 10.1038/s41598-018-37660-x