Ultrahigh-figure-of-merit refractive-index sensing with grating-coupled magneto-optical hyperbolic metamaterials
Plasmonic refractive-index sensors provide a powerful route for label-free detection, but their performance is often limited by the trade-off between sensitivity and resonance linewidth. Here, we propose a magneto-optical hyperbolic metamaterial platform for high-resolution refractive-index sensing at the telecom wavel...