Abstract
Terahertz (THz) technology is emerging field and is fascinating to the researchers who are working with photonics integrated circuits. With technological advancements and developments for various applications, a novel distributed Bragg reflector (DBR) based hybrid plasmonic terahertz waveguide (HPTW) is proposed and designed to operate at 3 THz with Graphene, Gallium Arsenide (GaAs), High-density Polyethylene (HDPE) and Aluminium Gallium Arsenide (AlGaAs) is discussed in this work. To bring the confinement of the THz wave in a small mode area efficiently, a stripe is introduced between graphene and DBR in HDPE. The normalized mode area is decreased to about 3.733 x 10-3 µm2 by reducing the stripe’s width from 20 to 14 µm with a constant of stripe’s height of 1 µm. The Figure of Merit (FOM) and Propagation Length (PL) increases inversely in correspondence with the stripe’s width from 1.4 to 4.8 and 6 to 16.8 µm respectively.
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