Intrinsic plasmon canalization in the biaxial van der Waals crystal MoOCl${}_2$

Farid Aghashirinov, Andrea Mancini, Lin Nan +4

Anisotropic polaritons in low-symmetry crystals allow for subwavelength confinement and directional routing of light. The most extreme form of such anisotropy arises at the topolog…