▎ 摘　　要

This paper demonstrates an array of graphene-based Yagi-Uda antennas with pattern reconfigurability. The array consists of four identical Yagi-Uda antennas placed on a non-radiating graphene ring. The antenna dipoles are excited using a silver nanostrip feedline connected through a vias to the graphene ring. The reconfigurability is achieved by disabling the Yagi-Uda array elements systematically. The proposed antenna operates at the 2.5 THz resonant frequency with 12.38% operating wide bandwidth. The antenna provides the reconfigurable end-fire radiation pattern with 13.67 dB front-to-back ratio (FBR) and high directivity of 9.78 dBi. Furthermore, the resonating frequency can be changed by varying the external biasing voltage of graphene material. The antenna operates with the generation of TM01 delta mode. The antenna with the optimised dimensions is designed and numerically analysed for the THz applications.