Abstract

This paper derives, and then implements, a maximum likelihood estimation procedure for the equivalent circuit model parameters of a photodetector. Specifically, we consider a frequency domain identification procedure whereby the observed data take the form of a complex frequency response function, here the reflection coefficient, $S_{11}$ . Both linear least-squares and maximum likelihood methods are compared in their respective performance. Results are presented for various bias voltages and dc photocurrent.

© 2017 IEEE

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