Table 2 Quantum crosstalk length for different platforms in different defined maximum coupling.
From: Effect of waveguide wall roughness on quantum signal transmission
Technology | SOI | Si3N4 | SiON | InP/InGaAsP | Silica | ||
|---|---|---|---|---|---|---|---|
Quantum crosstalk length | Anisotropic Etching | Oxidation Smoothing | Conventional Fabrication | ||||
50% coupling | 21 mm | > 50 mm | 1 mm | 39 mm | > 50 mm | > 50 mm | > 50 mm |
40% coupling | 7 mm | 29 mm | 300 μm | 13.9 mm | > 50 mm | > 50 mm | > 50 mm |
30% coupling | 4 mm | 16 mm | 180 μm | 7 mm | > 50 mm | > 50 mm | > 50 mm |
