THz	Terahertz
THz TDS	Terahertz Time-domain Spectroscopy
MBE	Molecular Beam Epitaxy
SNR	Signal-to-Noise-Ratio
QCL	Quantum Cascade Lasers
RTDs	Resonant Tunneling Diodes
HEMT	High Electron Mobility Transistor
HBT	Heterojunction Bipolar Transistor
FET	Field Effect Transistor
HFET	Heterojunction Field Effect Transistor
CMOS	Complementary Metal Oxide Semiconductor
NEP	Noise Equivalent Power
MEMS	Microelectromechanical System
MMIC	Monolithic Microwave Integrated Circuit
TMIC	Terahertz Monolithic Integrated Circuits
CI	Computational Imaging
AI	Artificial Intelligence
DL	Deep Learning