Delay Line
Si₃N₄, 20 ns delay line
LPCVD Si₃N₄ strip waveguide (n_g = 2.0396 @1550nm). L ≈ 2.94 m folded into a ~7.5 × 7.5 mm double-spiral die. GDSFactory source + GDS download.
Delay Line
2%, 20 ns delay line
2%-Δ Ge-doped silica channel (n_g = 1.4626 @1550nm). L ≈ 4.10 m folded into a ~11.8 × 11.8 mm double-spiral die. GDSFactory source + GDS download.