C-C bond enriched SiC add-drop micro-ring based all-optical logic gate

An all-optical AND gate made by PECVD grown C-C bond enriched SiC film based add-drop micro-ring with nonlinear refractive index up to 2.4×10⁻¹² cm²/W and 8.7-dB TE/TM polarization discriminated throughput is demonstrated.