Table 2 Comparison of optical bistability reported in literature.
References | Platform | Threshold power | Q factor | Mechanism | Validation method |
|---|---|---|---|---|---|
2D Photonic crystal (Rods in air) | Few mW | 557 | Kerr nonlinearity | Simulation | |
2D Photonic crystal (Holes in slab) | 0.4 mW | 7640 | Kerr nonlinearity | Experimental | |
2D Photonic crystal (InGaAs) | 37 \(\upmu\)W | 2700 | Kerr nonlinearity | Experimental | |
2D Photonic crystal (InGaAs) | 4.2 mW | \(1.8\times 10^5\) | Kerr nonlinearity | Experimental | |
2D Photonic crystal (Holes in slab) | 25 \(\upmu\)W | 33400 | Kerr + Thermo-optic | Experimental | |
1D Photonic crystal (Holes in slab) | 1.6 \(\upmu\)W | \(1\times 10^5\) | Kerr + Thermo-optic | Experimental | |
Gourd shaped Silicon ring | 3 mW | \(2.2\times 10^5\) | Kerr nonlinearity | Experimental | |
Highly doped silica ring | 4–6 mW | NA | Thermo-optic | Experimental | |
Plasmonic racetrack resonator | 2.2 mW/cm | NA | Kerr nonlinearity | Simulation | |
Photonic crystal dimer array | 10 mW/m | NA | Topological feature | Simulation | |
This work | Slotted photonic crystal | 2 \(\upmu\)W | \(2.1\times 10^6\) | Kerr nonlinearity | Simulation |