Table 1 Comparison of Graphene Tuneable THz Polarisation Converters
Active element | Operating Freq. (THz) | Bias Voltage (V) | Rot. angle tuning (o) | Ellipticity tuning | Reference |
|---|---|---|---|---|---|
Graphene only | 2.15 | −35–100 | 10 | 0.31 | Kindness et al.24 |
Graphene only | 1.75 | −125–25 | 20 | - | Kindness et al.25 |
Graphene only | 0.24 | 0–12 | 11 | 0.44 | Song et al.27 |
Graphene / ion gel | 1.25 | 0–2 | - | 0.4 | Park et al.26 |
Graphene / ion gel | 1.42 | 0–4.8 | 10 | - | Kim et al.48 |
Graphene only | 0.24 | 0–15 | 32 | 0.44 | This Work (SI) |
h-BN / Graphene | 0.24 | 0–15 | 41 | 0.73 | This Work |
