Mode Sensitive Topological Interface State Dual-Mode Absorber in Hyperbolic Metamaterials Based One-Dimensional Photonic Crystals With Graphene and Gold Layers

Dual resonance absorption modes realized by a graphene in one-dimensional photonic crystal heterostructure of all-hyperbolic metamaterial (HMM)-based unit cells terminated with a gold- dielectric bilayer is examined. Resonance frequencies exhibit a distinct angular dependence: they shift upward under transverse electric (TE) polarization and downward under transverse magnetic (TM) polarization as the incidence angle increases from normal incidence up to$89^{\circ }$. This angular response appears almost linear in both TE and TM modes, as visualized through contour plots. The effect is primarily demonstrated in the terahertz (THz) regime using Indium Phosphide (InP) and Tellurium (Te) as the constituent materials of the HMM, which exhibit metallic behavior within this frequency range. The same phenomenon is further verified separately with Indium Antimonide (InSb)/Te and Gallium Arsenide (GaAs)/Te combinations, confirming the robustness of the observed response. These findings emphasize the tunable and polarization-sensitive nature of resonances in hypercrystal systems, underscoring their potential for advanced THz photonic applications.