Widely tunable 2 $\mu$m hybrid laser using GaSb semiconductor optical amplifiers and Si3N4 photonics integrated reflector

Nouman Zia, Samu-Pekka Ojanen, Jukka Viheriala +3

Tunable lasers emitting at a 2-3 $\mu$m wavelength range and compatible with photonic integration platforms are of great interest for sensing applications. To this end, combining GaS…