Design and Bulk Sensitivity Analysis of a Silicon Nitride Photonic Biosensor for Cancer Cell Detection

Figure 6

Silicon nitride rib-slot waveguide transmission spectrum of normal cells with refractive index 1.35 vs. Breast Cancer (MCF-7) cells with refractive index of 1.401 with integrated analyte thickness of 400 nm, 250 nm, 150 nm, and 90 nm.