Nanomaterials in Nanophotonics Structure for Performing All-Optical 2 × 1 Multiplexer Based on Elliptical IMI-Plasmonic Waveguides

Table 9

Comparison between the proposed structure and the previous works.

Reference	Topology	Size	Metal model	Number of resonators	Threshold limit	Operating wavelength	Performance measured by	Max. T	Structure complexity	Method used
[28]	Nanoracetrack resonator side coupled to air (MIM) waveguide	3000 nm × 2400 nm	Drude model	One	0.5	685 nm, 793.2 nm	Two parameters	70%	More	FDTD
[29]	Dielectric-loaded plasmonic waveguides	5.7 μm × 2.105 μm and more than 8 μm × 1 μm	Not available	Two	Less than 0.5	1550 nm	One parameter	80%	More	FDTD
[32]	Plasmonic unidirectional coupler (MIM) waveguide	7.5 μm × 6 μm	Drude model	Did not use resonator	0.33	650 nm, 850 nm	Two parameters	100%	More	FDTD
[33]	(MIM) plasmonic waveguide	9.2 μm × 7.8 μm	Not available	Y shape wave guide	0.5	1550 nm	Two parameters	Less than 10%	More	FDTD
[44]	MIM plasmonic slot cavities	1.055 μm × 1.055 μm	Drude model	Four	0.5	650 nm, 850 nm	Four parameters	About 100%	More	FEM
[45]	Surface plasmonic resonance in optical ring resonators MIM configuration	About 2.5 μm × 1 μm	Drude model	Three	About 0.45	1133 nm, 1219 nm and 1456 nm	Three parameters	About 100%	More	FDTD
[46]	Hybrid plasmonic waveguides	About 41 μm × 20 μm	Not available	Did not use resonator	Not available	1550 nm	One parameter	99.2%	More	FEM
This work	Nanoellipse IMI nanoplasmonic waveguides	400 nm × 400 nm	Johnson and christy data	one	0.5	1550 nm	Five parameters	163%	Lesser	FEM