Integrated heterodyne laser Doppler vibrometer based on stress-optic frequency shift in silicon nitride

A Raptakis, L Gounaridis, JP Epping, TLA Tran… - PhotoniX, 2023 - Springer
We demonstrate a compact heterodyne Laser Doppler Vibrometer (LDV) based on the
realization of optical frequency shift in the silicon nitride photonic integration platform …