Actively tuning anisotropic light-matter interaction in biaxial hyperbolic material $\alpha$-MoO${}_3$ using phase change material VO${}_2$ and graphene

Kun Zhou, Yang Hu, Xiaoxing Zhong +1

Anisotropic hyperbolic phonon polaritons (PhPs) in natural biaxial hyperbolic material MoO${}_3$ has opened up new avenues for mid-infrared nanophotonics, while active tunability of…