Abstract
We demonstrate a photonic microwave frequency measurement based on optical delay time by measuring DC voltage. The amplitude of DC output is related to the microwave frequency. The measurement range is 2.5-40 GHz and the errors are within 0.1 GHz in 2.5-25 GHz and 0.5 GHz in 25-40 GHz.
© 2020 The Author(s)
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