| CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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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
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| Cite this article: |
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Jia-Rui Fei, Yong-Qing Huang, You-Xin Liu et al 2017 Chin. Phys. Lett. 34 118502 |
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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.
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Received: 25 July 2017
Published: 25 October 2017
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| PACS: |
85.60.Gz
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(Photodetectors (including infrared and CCD detectors))
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85.60.Bt
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(Optoelectronic device characterization, design, and modeling)
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85.30.De
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(Semiconductor-device characterization, design, and modeling)
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| Fund: Supported by the National Natural Science Foundation of China under Grant Nos 61574019, 61674018 and 61674020, the Fund of State Key Laboratory of Information Photonics and Optical Communications, and the Specialized Research Fund for the Doctoral Program of Higher Education of China under Grant No 20130005130001. |
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