Enhanced terahertz modulation using a plasmonic perfect absorber based on black phosphorus.

In this paper, we design a plasmonic perfect absorber based on black phosphorus (BP) with enhanced terahertz modulation. By tuning the chemical potential () of BP, the modulation depth can reach up to 95%. The influence of geometric size and bandgap of BP on reflection spectra is also investigated.

Tunable and Anisotropic Dual-Band Metamaterial Absorber Using Elliptical Graphene-Black Phosphorus Pairs.

We numerically propose a dual-band absorber in the infrared region based on periodic elliptical graphene-black phosphorus (BP) pairs. The proposed absorber exhibits near-unity anisotropic absorption for both resonances due to the combination of graphene and BP. Each of the resonances is independently tunable via adjusting the geometric parameters.