Experimental and Simulation Analysis of Two-Tone and Three-Tone Photodetector Linearity Characterizing Systems
Jia-Rui Fei, Yong-Qing Huang** , You-Xin Liu, Kai Liu, Xiao-Feng Duan, Xiao-Min Ren
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876
Abstract ：Two measurement techniques are investigated to characterize photodetector linearity. A model for the two-tone and three-tone photodetector systems is developed to thoroughly investigate the influences of setup components on the measurement results. We demonstrate that small bias shifts from the quadrature point of the modulator will induce deviation into measurement results of the two-tone system, and the simulation results correspond well to experimental and calculation results.
收稿日期: 2017-07-25
出版日期: 2017-10-25
:
85.60.Gz
(Photodetectors (including infrared and CCD detectors))
85.60.Bt
(Optoelectronic device characterization, design, and modeling)
85.30.De
(Semiconductor-device characterization, design, and modeling)
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2017, Vol. 34 
