Terahertz Time Domain System to Characterize Performance of Terahertz Quantum Cascade Laser Sources

In this project, we plan to address the specific application and problem that TeTechS Inc is facing at this stage of its product development of photoconductive antennas, which is using its photoconductive antennas for characterizing performance of quantum cascade lasers (QCL) in time-domain measurement setup by demonstrating the capability of its proprietary terahertz sensor technology to be used by researchers in University to characterize QCL and in industry for building terahertz spectrometers with high signal and bandwidth. TeTechS have designed, fabricated and marketed various photoconductive antennas that can be used in a terahertz time-domain spectroscopy (THz-TDS) measurement setup. This project will increase the new photoconductive antennas we design and market for various applications. We believe that TeTechS’ technology can serve in many stages of characterizing QCL and obtain improved and enhance QCL performance in terms of gain, spectrum and operating temperature.

Faculty Supervisor:

Dayan Ban


Daniel Hailu


TeTechs Inc.


Engineering - computer / electrical




University of Waterloo



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