The effect of modulated voltage on the nonlinear response of an InGaAs-InP charge-compensated modified uni-traveling carrier photodiode is characterized using a modulated bias measurement setup. Based on experimental results for the dependence of responsivity and photodetector capacitance on bias voltage, we use a simple equivalent circuit model to explain the frequency characteristics of the intermodulation distortions caused by the modulated bias. Good agreement has been achieved between the simulation and measurement.
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Pan et al. (2009) studied this question.
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