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The high accuracy modeling is a prerequisite to study UTC-PD matching circuit design and power combining. This paper presents the high accuracy modeling method of UTC-PD photodiode. The measured frequency response curve of photoelectric conversion was used as a benchmark, and the model of the equivalent circuit was modified consistently in order to make the frequency response curve of the model fit the measured frequency response curve. This method addressed effectively the modeling issues of UTC-PD photodiode.
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Wen et al. (2013) studied this question.
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