#OET_highlight Nearly vertically emitted nonlinear light sources with high efficiencies enabled by high-Q nearly-degenerate polygon modes doi.org/10.29026/oet... by Prof. #Ya_Cheng @ECNUER #thin_film #lithium_niobate #Raman #phase_matching #optical #microresonator

#OET_highlight Multiple degrees-of-freedom optical encryption via pixel-resolved vectorial holography doi.org/10.29026/oet... by Prof. #Dapeng_Wang @#BGI_Research #Xiaoyu_Weng #Junle_Qu @ShenzhenUni #optical #encryption #vectorial #holography #optical_pen