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Electrical-to-Optical and Optical-to-Electrical Converter Measurements

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As the bandwidths of fiber optics and free space increase, so does the need for very high speed optical modulators and detectors. Characterization of the frequency response of these electrical-optical converters (E / O, modulators sometimes integrated with lasers) and optical-electrical converters (O / E, photodetectors and receivers) can be important in terms of parameters such as bandwidth, flatness, phase linearity and group delay. This application note covers some of the measurements of interest, installation considerations, possible measurement performance and examples of measurement procedures.






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