Switchable microwave photonic filter using a phase modulator and a silicon-on-insulator micro-ring resonator |
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| Authors: | Simin Li Rong Cong Zhengqian He Tianliang Wang Fangzheng Zhang Shilong Pan |
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| Affiliation: | (Key Laboratory of Radar Imaging and Micro wave Photonics,Ministry of Education,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;Shanghai Institute of Satellite Engineering,Shanghai 201109,China) |
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| Abstract: | A switchable microwave photonic filter(MPF) using a phase modulator(PM) and a silicon-on-insulator microring resonator(MRR) is proposed and demonstrated. By adjusting the polarization controller between the PM and the MRR, the filtering function of the MPF can be switched between a band-stop filter and a band-pass filter. In a proof-of-concept experiment, an MPF with a rejection ratio of 30 dB(or 15 dB) for the band-stop(or band-pass) response and a frequency tuning range from 9.6 to 20.5 GHz is achieved. |
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