Research Article
Design of Ultrasmall Plasmonic Logic Gates Based on Single Nanoring Dielectric-Metal-Dielectric Waveguide
Table 3
Explanation of the CL values.
| CL (dB) ranges | Description | Assessment of CL |
| Negative value | Ultralow | Bad and inefficient | Less than or equal 4 | Very low | Acceptable | More than 4–8 | Low | Moderate | More than 8–12 | Medium | Good | More than 12–16 | High | Very good and efficient | More than 16–20 | Very high | Excellent and efficient | More than 20 dB | Ultrahigh | Excellent and optimum |
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