Youngok Ko

Terahertz Science and Technology
Rensselaer Polytechnic Institute
Troy, NY



I am currently working with Dr. Partha Dutta in the Department of Electrical, Computer, and Systems Engineering here at the Rensselaer Polytechnic Institute. Our group's main goal is the development and characterization of novel optoelectronic III-V compound semiconductors. The optical and electronic properties of antimonide based III-V compound semiconductors makes them excellent potential sources of intense THz radiation.

My goal is to characterize and to provide a quantitative description of the THz emission processes from antimonide based III-V compound semiconductors, i.e. binary, ternary, and quaternary systems. Some of the techniques that I employ in my research are time domain THz emission spectroscopy, Hall effect, FTIR, electron probe micro analysis, TEM, among others. It is the hope of my research to identify the key material's properties that govern THz emission processes in semiconductor materials for the development of practical sources of THz radiation.

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