Table. 1 Comparison between reported terahertz isolators and the isolator in this work.
From: On-chip terahertz isolator with ultrahigh isolation ratios
Time | Integration | Maximum isolation ratio (dB) | Typical insertion loss (dB) | Temperature | Magnetic field (T) | Bandwidth | Tunability of central frequencies |
|---|---|---|---|---|---|---|---|
201314 | – | – | – | Room | 0.54 | Wideband | – |
201615 | – | ~20 | ~7.5 | Room | 7 | 50 GHz | – |
201816 | – | 35 | 6.2 | Room | 0.2 | 45 GHz | – |
201918 | – | 20 | ~10 | 200 K | 0.15 | >0.5 THz | – |
202017 | – | 18.8 | 12.6 | Room | 0.14 | – | – |
This work | √ | 52 | ~7.5 | Room | 0.68 | 0.14 GHz | √ |
