Figure 7
From: Monolithic beam steering in a mid-infrared, surface-emitting, photonic integrated circuit
Grating heater tuning characteristics. (a) A collection of far-field scans along the theta axis (ϕ = 0) for different heater current, Ih, values and input wavelengths. (b) Change in steering angle as a function of the input power to the grating heater.
