supported by National Basic Research Program(973)of China(Grant No.2007CB310401);National Natural Science Foundations of China(Grant Nos.10911120058,10676110);the Doctoral Fund of Ministry of Education of China(Grant No.20100185110022)
It has been demonstrated that the dual-wire waveguide (DWW) can be used in terahertz (THz) frequency regime with many advantages. However, the existent research approaches for the DWW are based on the electrostati...