Robust Geometries for Second-Harmonic-Generation in Microrings Exhibiting a 4-Bar Symmetry

P. Guillemé, C. Vecchi, C. Castellan, S. Signorini, M. Ghulinyan, M. Bernard, M. Parisi and L. Pavesi 

MDPI - Appl. Sci. 2020, 10(24), 9047

 DOI: 10.3390/app10249047