Harnessing Topological Valley-Hall States in Photonic Crystals for Label-Free Refractive-Index Discrimination of Cancer Cell Lines

Junayet Hossain, Sajid Muhaimin Choudhury, Mohammed Imamul Hassan Bhuiyan

Topological photonic crystals (TPhCs) are the photonic analogs of topological insulators, inspired by the quantum Hall effect and its variants, including the integer, spin, and val…