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Realization of three notch bands in UWB bandpass filter based on stimulated Brillouin scattering

Author

Listed:
  • Qi Zhang
  • Jie Zhang
  • Qiang Li
  • Yubing Wang
  • Wei Dong
  • Xindong Zhang

Abstract

An Ultra-wideband (UWB) bandpass filter with three notch bands based on multi-tone waveform and Stimulated Brillouin scattering (SBS) is proposed and demonstrated. The phase modulation (PM) and tunable optical bandpass filter (TOBF) of the system are used to implement a single bandpass filter. The SBS attenuation of the multi-pump generates three notch bands and the proposed filter can efficiently reduce the interference from undesired signals at 3.5 GHz in WiMAX, 5.7 GHz in WLAN and 8 GHz in satellite. The rejection ratio of notch bands can be optimized to 36 dB, 38 dB and 35 dB.

Suggested Citation

  • Qi Zhang & Jie Zhang & Qiang Li & Yubing Wang & Wei Dong & Xindong Zhang, 2019. "Realization of three notch bands in UWB bandpass filter based on stimulated Brillouin scattering," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 33(2), pages 215-225, January.
    • Handle: RePEc:taf:tewaxx:v:33:y:2019:i:2:p:215-225
    DOI: 10.1080/09205071.2018.1536563
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