▎ 摘　　要

NOVELTY - The utility model claims a high performance double-layer graphene terahertz wave-transmissive modulator, the device bottom layer is composed of a layer of graphene transmission layer, a substrate of silicon dioxide layer 1, a silicon substrate is used as the middle layer, a silicon dioxide substrate layer 2, a layer of graphite alkene layer, formed by stacking from bottom to top with symmetrical five-layer structure. the modulator through the equivalent circuit method finite element method simulation and theoretical calculation match by observing the structure of the Ethernet modulated signal, it is possible to realize the modulation depth and transmission loss of balance, high modulation rate and wide bandwidth characteristics. the modulator structure simply, compact and rational structure and it is convenient to process.