Wideband calibration of photodetector frequency response based on optical heterodyne measurement

作者: Ang Miao , Yongqing Huang , Hui Huang , Rui Wang , Song Wang

DOI: 10.1002/MOP.23957

关键词: Accuracy and precisionEngineeringWidebandPhotodetectorMicrowaveFrequency responseCalibrationOpticsHeterodyneLaser

摘要: In this article, an accurate wideband calibration method for photodetector frequency response measurement by optical heterodyne technique, which uses two single-mode tunable lasers operating near the wavelength of 1.55 mm, has been proposed. The errors introduced extra fixture as well laser output fluctuations were considered and eliminated simultaneously. Experimental result indicates that significant improvement in accuracy achieved range from 0 to 48.65 GHz, calibrated is matched with standard data provided manufacturer. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 44–48, 2009; Published online InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23957

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