| Citation: |
Wen Jimin, San Haisheng, Huang Hengpei, Xie Liang, Zhu Ninghua, Zhao Lingjuan, Wang Wei. Accurate Characterization for the Frequency Response of High-Speed Photodetectors[J]. Journal of Semiconductors, 2006, 27(9): 1630-1634.
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Wen J M, San H S, Huang H P, Xie L, Zhu N H, Zhao L J, Wang W. Accurate Characterization for the Frequency Response of High-Speed Photodetectors[J]. Chin. J. Semicond., 2006, 27(9): 1630.
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Accurate Characterization for the Frequency Response of High-Speed Photodetectors
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Abstract
A novel optical heterodyne system with a distributed Bragg reflector (DBR) tunable laser is proposed,and an efficient calibration method is also put forward for removing errors caused by the fluctuations of optical power and the linewidth of the beat signal.Accurate frequency response of high-speed photodetectors can be obtained with this method.Results calibrated by our method agree well with data provided by the manufacturer,thereby demonstrating the accuracy and effectiveness of this method.Side-mode suppression ratios and dynamic behavior of wavelength transients, which probably affect the measurement of frequency response,are also investigated. -
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