Analysis of Screening Effects on Terahertz Photoconductive Devices using a Fully-Coupled Multiphysics Approach
Liang Chen,
Hakan Bagci
Abstract:The terahertz current generated by a photoconductive device (PCD) saturates as the power of the input optical pump is increased. This behavior is induced by various screening effects that stem from the interactions between electromagnetic (EM) fields and semiconductor carriers. In this work, these screening effects are numerically analyzed for the first time using a fullycoupled multiphysics approach. Unlike the previously developed simulation frameworks, this approach rigorously models the nonlinear coupling … Show more
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