Table 1.

Parameters used for Simulation [23], [24].

Parameter	Symbol	Value	Unit
Input wavelength	λ	1.51	μm
Input power	P	1–10	mW
Center ring radius	R1	2.26	μm
Small rings radius	R2	1.0	μm
Coupling coefficient	κ	0.60–0.70
Si refractive index	nSi	3.47
Silver refractive index	nAg	0.14
Silver bar length	L	0.75	μm
Silver bar width	W	1.5	μm
Silver bar thickness	D	0.55	μm
Metallic film area	A	1.55 × 3.0	${\mathrm{\mu }\text{m}}^2$
Waveguide loss	α	0.5	dB.(mm)−1
Effective core area	Aeff	0.30	${\mathrm{\mu }\text{m}}^2$
Mass of electron	m	9.11 × 10-31	Kg
Electron charge	e	1.6 × 10-19	Coulomb
Permittivity of free space	ϵ0	8.85 × 10-12	Fm−1
Si dielectric constant	ϵr	11.9