Reconfigurable microwave photonic filter based on polarization modulation and an optical filter

Abstract. We present a reconfigurable microwave photonic filter (MPF) based on polarization modulation and a tunable optical bandpass filter (TOBPF). The MPF is possible to switch between a low-pass and bandpass responses by simply setting a polarizer. Furthermore, the cutoff frequency of the low-pass MPF, the central frequency, and the bandwidth of the bandpass MPF are widely tunable by adjusting the TOBPF. The proposed MPF is theoretically analyzed and experimentally verified.

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