Study of bandwidth enhancement and non-linear behavior in avalanche photodiodes under high power condition

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机构：
[1] Sun, Wenlu
[2] Fu, Yang
[3] Lu, Zhiwen
[4] Campbell, Joe
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Sun, W. | 1600年 / American Institute of Physics Inc.卷 / 113期
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A self-consistent Monte Carlo simulation tool based on physics-level description of carrier transport is developed to study the frequency responses of avalanche photodiodes working under high optical power conditions. Simulation is performed on an InGaAs/InAlAs SACM avalanche photodiode. Significantly enhanced bandwidth is observed at high photocurrent; which results in high gain-bandwidth product. The associated nonlinearity is characterized by measuring the mixing conversion efficiency. © 2013 American Institute of Physics;
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