Table 3: TM-mode size comparison for dielectric and plasmonic waveguides with = 1550 nm light. Data acquired from FDTD Solutions’s integrated mode solver (http://www.lumerical.com/).

Waveguide typeDielectricMIMIMIMI

MaterialsSiliconSilver, airSilver, airSilver, air
Core thickness300 nm30 nm30 nm
Total cladding thickness300 nm300 nm
2.50601.57882.71041.0039
Loss (dB/cm)2180.5846.544.0
FWHM ( intensity)208 nm46 nm148 nm983 nm