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Study Of Direct Semiconductor Materials For An Optically Controlled Switch, Sung Taek Ko
Study Of Direct Semiconductor Materials For An Optically Controlled Switch, Sung Taek Ko
Electrical & Computer Engineering Theses & Dissertations
A model for a bulk GaAs photoconductive switch has been developed and solved to determine the performance of the device in closing and opening switch applications. The GaAs material has been characterized by deep level transient spectroscopy (DLTS). Two electron traps (EL2 and EL5) and one hole trap (CuB} have been detected and were included in the model. Simulation studies are performed on several GaAs switch systems composed of different combinations and density of deep levels to investigate the influence of deep traps in a photoconductive switch system. The electron occupancy of each deep trap is traced in …