| LI Jia-qi,XIAO Yong-chuan,DONG Wei,ZHANG Xin-dong.Dual-band bandpass tunable microwave photonic filter based on stimulated Brillouin scattering[J].Optoelectronics Letters,2016,12(4):276-279 |
| Dual-band bandpass tunable microwave photonic filter based on stimulated Brillouin scattering |
| Author Name | Affiliation | | LI Jia-qi | State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China | | XIAO Yong-chuan | Chongqing Optoelectronics Research Institute, Chongqing 400060, China | | DONG Wei | State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China | | ZHANG Xin-dong | State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China |
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| Abstract: |
| A dual-band bandpass microwave photonic filter (MPF) based on stimulated Brillouin scattering (SBS) is theoretically analyzed and experimentally demonstrated. Two separated tunable laser sources (TLSs) are employed to generate two passbands by implementing phase modulation to amplitude modulation conversion by using SBS induced sideband amplification. The center frequencies of both passbands can be independently tuned ranging from 1 GHz to 19 GHz. High resolution with 3 dB bandwidth less than 30 MHz and large out-of-band rejection about 40 dB under 25 mW optical pump power are achieved. |
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