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) rangesDescriptionAssessment of CL

Negative valueUltralowBad and inefficient
Less than or equal 4Very lowAcceptable
More than 4–8LowModerate
More than 8–12MediumGood
More than 12–16HighVery good and efficient
More than 16–20Very highExcellent and efficient
More than 20 dBUltrahighExcellent and optimum