Table 1: Comparison between the proposed terahertz antenna and other works.
| Ref. | Technique | Center Frequency (THz) |
Peak of Gain (dB/dBi) |
Gain Enhancement (dB/dBi) |
| [4] | Graphene | 5 | 12.8 dBi | 2.11 dBi |
| [12] | Metamaterial | 5.4 | 4.14 dB | --- |
| [13] | Meander-line/defected ground | 4.24 | 7.54 dBi | --- |
| This work | RMS | 12 | 14.7 dB | 10.6 dB |