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Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 31,
  • Issue 23,
  • pp. 3668-3675
  • (2013)

Tunable and Reconfigurable Bandstop Microwave Photonic Filter Based on Integrated Microrings and Mach–Zehnder Interferometer

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Abstract

A bandstop microwave photonic filter is experimentally demonstrated with integrated optical processor fabricated on silicon-on-insulator substrate. The optical processor consists of microrings and a Mach–Zehnder interferometer so that two bandstop responses are produced for processing two sidebands separately. With such a structure, tunable and reconfigurable bandstop MPFs can be easily realized by thermally tuning the resonant wavelength of microrings. According to the experimental results, the operating frequency and 10-dB bandwidth can be tuned within the range of 7–34 GHz and 1.85–4.55 GHz, respectively.

© 2013 IEEE

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