Jun Gu, Fei Wang, Youxi Lu, Mengmeng Peng, Lun Shi, Chang-hee Lee. Cascaded fiber Sagnac loop-based microwave photonic multiband bandpass filter with a selectable passband frequency[J]. Chinese Optics Letters, 2017, 15(11): 110603
- Chinese Optics Letters
- Vol. 15, Issue 11, 110603 (2017)
Fig. 1. Schematic diagram of the proposed switchable MPF.
Fig. 2. Comb spectra of the sliced broadband light.
Fig. 3. Triple-period state comb spectrum and the corresponding frequency response. (a) A triple-period state comb spectrum, (b) the frequency response of the center frequency at 2.36, 4.71, and 7.15 GHz using a 1.025 km DCF, and (c) the frequency response of the center frequency at 1.17, 2.36, and 3.52 GHz using a 2.05 km DCF.
Fig. 4. Dual-period state comb spectrum and the corresponding frequency response. (a) A dual-period state comb spectrum, (b) the frequency response of the center frequency at 4.71 and 7.15 GHz using a 1.025 km DCF, and (c) the frequency response of the center frequency at 2.36 and 3.52 GHz using a 2.05 km DCF.
Fig. 5. Simple-period state comb spectrum and the corresponding frequency response. (a) A simple-period state comb spectrum, (b) the frequency response of the center frequency at 4.71 GHz using a 1.025 km DCF, and (c) the frequency response of the center frequency at 2.36 GHz using a 2.05 km DCF.
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