Low-loss microstructured fiber with metallic inclusions for THz waveguiding

The implementation of microstructured fibers for guidance of THz waves is one of the current milestones in Electromagnetic Engineering. In this work, we investigate theoretically how to reduce propagation losses of a THz microstructured fiber with metallic inclusions. Obtained results show that losses can be reduced to values below 1.5 dB/cm depending on the configuration of the metallic array on the fiber cross-section. Additionally, a bandwidth of zero group velocity dispersion is also obtained.