Yinglei Wang, Zhifeng Yan, Jingxuan Zhu, Xinnan Lin, F. He
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引用次数: 0
Abstract
The detector response characteristics of the field effect MOS transistor (MOSFET) to modulated terahertz radiation signal are studied in detail in this paper by a numerical simulation program developed from the basic hydrodynamic equations which govern the terahertz signal transport in the MOSFET and a universal MOSFET charge density equation which makes this program suitable in a wide range of operation region of MOSFET terahertz detector. The simulation results agree well with the existing theory which is only suitable in the nonresonant region. The developed numerical simulation program is also used to analyze the photoresponse characteristics of the MOSFET detector to modulated terahertz radiation in the resonant region, demonstrating potential application in the detector design and optimization from a MOSFET.
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