Hexagonal Boron Nitride Slab Waveguides for Enhanced Spectroscopy of Encapsulated 2D Materials. - LaGasse SW; Proscia NV; Cress CD; Fonseca JJ; Cunningham PD; Janzen E; Edgar JH; Pennachio DJ; Culbertson J; Zalalutdinov M; Robinson JT (Advanced materials (Deerfield Beach, Fla.), 2024)