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Broadband, low loss and cost-effective transmission capability of optical fiber links has led to a widespread applications in almost every field. Instantaneous microwave frequency measurement is one of the fields facilitated by optical communication. In this paper, a new optical technique for microwave frequency measurement, which was based on an optical V-shape fiber Bragg grating (FBG) filter and...
A novel technique for instantaneous microwave frequency measurement using an optical phase modulator is proposed and demonstrated. In the proposed system, a microwave signal with its frequency to be measured is modulated on two optical wavelengths at the phase modulator, with the phase-modulated optical signals sent to a dispersive element, and detected at two photo-detectors. Due to the chromatic...
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