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An ultrafast GaAs Schottky photodiode has been monolithically integrated with an all-electronic sampler. The high-speed photodiode-electronic-sampling circuit has a temporal response of 2.0 ps full-width-at-half-maximum (FWHM) corresponding to a 3-dB bandwidth of 150 GHz. The photodiode has an external quantum efficiency of 33%.>
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Özbay et al. (1991) studied this question.
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